diff --git a/sentry_sdk/consts.py b/sentry_sdk/consts.py
index 856a18f39a..b6c546d19a 100644
--- a/sentry_sdk/consts.py
+++ b/sentry_sdk/consts.py
@@ -1316,6 +1316,7 @@ def __init__(
         transport_queue_size: int = DEFAULT_QUEUE_SIZE,
         sample_rate: float = 1.0,
         send_default_pii: "Optional[bool]" = None,
+        data_collection: "Optional[DataCollectionUserOptions]" = None,
         http_proxy: "Optional[str]" = None,
         https_proxy: "Optional[str]" = None,
         ignore_errors: "Sequence[Union[type, str]]" = [],  # noqa: B006
@@ -1472,6 +1473,23 @@ def __init__(
             If you enable this option, be sure to manually remove what you don't want to send using our features for
             managing `Sensitive Data <https://docs.sentry.io/data-management/sensitive-data/>`_.
 
+        :param data_collection: Structured configuration controlling what data integrations collect
+            automatically, superseding `send_default_pii`. Passing a dict opts into the feature; omitted
+            fields use their defaults (most categories are collected, with the sensitive denylist
+            scrubbing values). When it is not set, the SDK derives behaviour from `send_default_pii` so
+            that upgrading changes nothing. Restrict collection per category (user identity, cookies,
+            HTTP headers/bodies, query params, generative AI inputs/outputs, stack frame variables,
+            source context). If `send_default_pii` is also set, `data_collection` takes precedence.
+
+            Example::
+
+                sentry_sdk.init(
+                    dsn="...",
+                    data_collection={"user_info": False, "http_bodies": []},
+                )
+
+            See https://docs.sentry.io/platforms/python/configuration/options/#data_collection for more details.
+
         :param event_scrubber: Scrubs the event payload for sensitive information such as cookies, sessions, and
             passwords from a `denylist`.
 
@@ -1807,24 +1825,6 @@ def __init__(
             `trace_lifecycle="stream"` is enabled.
 
         :param _experiments: Dictionary of experimental, opt-in features that are not yet stable.
-
-            ``data_collection`` (EXPERIMENTAL): structured configuration controlling what data integrations
-            collect automatically, superseding `send_default_pii`. Passing a dict under
-            `_experiments={"data_collection": {...}}` opts into the feature; omitted fields use their
-            defaults (most categories are collected, with the sensitive denylist scrubbing values).
-            When it is not set, the SDK derives behaviour from `send_default_pii` so that upgrading
-            changes nothing. Restrict collection per category (user identity, cookies, HTTP
-            headers/bodies, query params, generative AI inputs/outputs, stack frame variables, source
-            context). If `send_default_pii` is also set, `data_collection` takes precedence.
-
-            Example::
-
-                sentry_sdk.init(
-                    dsn="...",
-                    _experiments={"data_collection": {"user_info": False, "http_bodies": []}},
-                )
-
-            See https://docs.sentry.io/platforms/python/configuration/options/#data_collection for more details.
         """
         pass
 
diff --git a/sentry_sdk/data_collection.py b/sentry_sdk/data_collection.py
index 9d83e19819..2491e55623 100644
--- a/sentry_sdk/data_collection.py
+++ b/sentry_sdk/data_collection.py
@@ -293,8 +293,15 @@ def _resolve_data_collection(options: "Dict[str, Any]") -> "DataCollection":
     concrete values for every field.
 
     ``data_collection`` must be a plain ``dict``.
+
+    Must be called exactly once per options dict, before ``client._get_options``
+    overwrites ``options["data_collection"]`` with the resolved result. Feeding an
+    already-resolved dict back in would flip ``provided_by_user`` to ``True``.
     """
-    user_dc = options.get("_experiments", {}).get("data_collection")
+    user_dc = options.get("data_collection")
+    if user_dc is None:
+        user_dc = options.get("_experiments", {}).get("data_collection")
+
     send_default_pii = options.get("send_default_pii")
 
     include_local_variables = (
diff --git a/sentry_sdk/utils.py b/sentry_sdk/utils.py
index 60a3eec957..2e20a789b8 100644
--- a/sentry_sdk/utils.py
+++ b/sentry_sdk/utils.py
@@ -64,6 +64,7 @@
 
     from sentry_sdk._types import (
         AttributeValue,
+        DataCollection,
         Event,
         ExcInfo,
         Hint,
@@ -2109,7 +2110,13 @@ def has_data_collection_enabled(options: "Optional[dict[str, Any]]") -> bool:
     if options is None:
         return False
 
-    return "data_collection" in options.get("_experiments", {})
+    data_collection: "Optional[DataCollection]" = options.get("data_collection")
+    # Client options are resolved as part of client initialization, so `data_collection`
+    # being None could be that the user just didn't provide it.
+    # `provided_by_user` is what actually records whether the user actually configured it.
+    return data_collection is not None and data_collection.get(
+        "provided_by_user", False
+    )
 
 
 def get_before_send_log(
diff --git a/tests/integrations/aiohttp/test_aiohttp.py b/tests/integrations/aiohttp/test_aiohttp.py
index 434cee80f2..1c3166de64 100644
--- a/tests/integrations/aiohttp/test_aiohttp.py
+++ b/tests/integrations/aiohttp/test_aiohttp.py
@@ -155,7 +155,7 @@ async def test_aiohttp_request_body_data_collection(
 ):
     sentry_init(
         integrations=[AioHttpIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     body = {"some": "value"}
@@ -207,7 +207,7 @@ async def test_aiohttp_oversized_request_body_data_collection(
     sentry_init(
         integrations=[AioHttpIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     body = "a" * 2000
@@ -643,10 +643,8 @@ async def handler(request):
         ({"send_default_pii": False}, False, False),
         (
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": []}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": []}
                 }
             },
             True,
@@ -654,10 +652,8 @@ async def handler(request):
         ),
         (
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": []}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": []}
                 }
             },
             True,
@@ -794,10 +790,8 @@ async def handler(request):
         ({"send_default_pii": False}, False, False),
         (
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": []}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": []}
                 }
             },
             True,
@@ -805,10 +799,8 @@ async def handler(request):
         ),
         (
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": []}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": []}
                 }
             },
             True,
@@ -1678,7 +1670,7 @@ async def hello(request):
         pytest.param(
             {
                 "send_default_pii": True,
-                "data_collection": None,
+                "data_collection": {},
             },
             {
                 "authorization": "[Filtered]",
@@ -1690,7 +1682,7 @@ async def hello(request):
         pytest.param(
             {
                 "send_default_pii": False,
-                "data_collection": None,
+                "data_collection": {},
             },
             {
                 "authorization": "[Filtered]",
@@ -1794,9 +1786,7 @@ async def test_sensitive_header_passthrough_with_pii_span_streaming(
         traces_sample_rate=1.0,
         send_default_pii=options["send_default_pii"],
         trace_lifecycle="stream",
-        _experiments={
-            "data_collection": options["data_collection"],
-        },
+        data_collection=options["data_collection"],
     )
 
     async def hello(request):
@@ -2256,16 +2246,14 @@ async def hello(request):
         id="defaults",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         "toy=tennisball&color=red&auth=%5BFiltered%5D",
         id="data_collection_denylist_default",
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "denylist", "terms": ["toy"]}
             }
         },
         "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -2273,10 +2261,8 @@ async def hello(request):
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
             }
         },
         "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -2284,24 +2270,22 @@ async def hello(request):
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
             }
         },
         "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
         id="data_collection_allowlist_sensitive_term",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}}},
+        {"data_collection": {"url_query_params": {"mode": "off"}}},
         None,
         id="data_collection_off",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}},
+            "data_collection": {"url_query_params": {"mode": "off"}},
         },
         None,
         id="data_collection_wins_over_send_default_pii",
@@ -2422,7 +2406,7 @@ async def hello(request):
     assert event["request"]["url"] == "http://{host}/".format(host=host)
     assert event["request"]["method"] == "GET"
 
-    if "data_collection" not in init_kwargs.get("_experiments", {}):
+    if "data_collection" not in init_kwargs:
         assert (
             event["request"]["query_string"] == "toy=tennisball&color=red&auth=secret"
         )
diff --git a/tests/integrations/aiomysql/test_aiomysql.py b/tests/integrations/aiomysql/test_aiomysql.py
index 32f2a22538..28f24c27a4 100644
--- a/tests/integrations/aiomysql/test_aiomysql.py
+++ b/tests/integrations/aiomysql/test_aiomysql.py
@@ -218,7 +218,7 @@ async def test_execute_many_record_params_with_data_collection_enabled(
 ) -> None:
     sentry_init(
         integrations=[AioMySQLIntegration()],
-        _experiments={"data_collection": {"database_query_data": True}},
+        data_collection={"database_query_data": True},
     )
     events = capture_events()
 
@@ -266,7 +266,7 @@ async def test_execute_many_record_params_with_data_collection_disabled(
 ) -> None:
     sentry_init(
         integrations=[AioMySQLIntegration(record_params=True)],
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -307,7 +307,7 @@ async def test_execute_many_record_params_with_data_collection_default(
 ) -> None:
     sentry_init(
         integrations=[AioMySQLIntegration()],
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
@@ -444,7 +444,7 @@ async def test_execute_record_params_with_data_collection_enabled(
 ) -> None:
     sentry_init(
         integrations=[AioMySQLIntegration()],
-        _experiments={"data_collection": {"database_query_data": True}},
+        data_collection={"database_query_data": True},
     )
     events = capture_events()
 
@@ -485,7 +485,7 @@ async def test_execute_record_params_with_data_collection_disabled(
 ) -> None:
     sentry_init(
         integrations=[AioMySQLIntegration(record_params=True)],
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -523,7 +523,7 @@ async def test_execute_record_params_with_data_collection_default(
 ) -> None:
     sentry_init(
         integrations=[AioMySQLIntegration()],
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
diff --git a/tests/integrations/anthropic/test_anthropic.py b/tests/integrations/anthropic/test_anthropic.py
index 9711beb3d5..b3835c4b72 100644
--- a/tests/integrations/anthropic/test_anthropic.py
+++ b/tests/integrations/anthropic/test_anthropic.py
@@ -403,7 +403,7 @@ def test_nonstreaming_create_message_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = Anthropic(api_key="z")
@@ -492,7 +492,7 @@ def test_nonstreaming_create_message_data_collection_tools(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = Anthropic(api_key="z")
@@ -587,7 +587,7 @@ async def test_nonstreaming_create_message_data_collection_async(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = AsyncAnthropic(api_key="z")
@@ -705,7 +705,7 @@ def test_nonstreaming_create_message_data_collection_outputs(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = Anthropic(api_key="z")
@@ -833,7 +833,7 @@ async def test_nonstreaming_create_message_data_collection_outputs_async(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = AsyncAnthropic(api_key="z")
@@ -1390,7 +1390,7 @@ def test_streaming_create_message_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = Anthropic(api_key="z")
@@ -1539,7 +1539,7 @@ def test_streaming_create_message_data_collection_outputs(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = Anthropic(api_key="z")
@@ -2346,7 +2346,7 @@ def test_stream_messages_data_collection_outputs(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = Anthropic(api_key="z")
@@ -3175,7 +3175,7 @@ async def test_streaming_create_message_data_collection_outputs_async(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = AsyncAnthropic(api_key="z")
@@ -3992,7 +3992,7 @@ async def test_stream_messages_data_collection_outputs_async(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
     sentry_init(**sentry_init_kwargs)
 
     client = AsyncAnthropic(api_key="z")
diff --git a/tests/integrations/ariadne/test_ariadne.py b/tests/integrations/ariadne/test_ariadne.py
index 616a3b9746..6f8b3b5199 100644
--- a/tests/integrations/ariadne/test_ariadne.py
+++ b/tests/integrations/ariadne/test_ariadne.py
@@ -326,43 +326,31 @@ def _init_all_integrations(sentry_init, **kwargs):
     "init_kwargs,expect_query,expect_variables",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             True,
             True,
             id="data_collection_defaults",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "graphql": {"document": True, "variables": True}
-                    }
-                }
-            },
+            {"data_collection": {"graphql": {"document": True, "variables": True}}},
             True,
             True,
             id="document_on_variables_on",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"document": False}}}},
+            {"data_collection": {"graphql": {"document": False}}},
             False,
             True,
             id="document_off_variables_on",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"variables": False}}}},
+            {"data_collection": {"graphql": {"variables": False}}},
             True,
             False,
             id="document_on_variables_off",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "graphql": {"document": False, "variables": False}
-                    }
-                }
-            },
+            {"data_collection": {"graphql": {"document": False, "variables": False}}},
             None,
             None,
             id="document_off_variables_off",
@@ -370,7 +358,7 @@ def _init_all_integrations(sentry_init, **kwargs):
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {"data_collection": {"graphql": {"document": False}}},
+                "data_collection": {"graphql": {"document": False}},
             },
             False,
             True,
@@ -379,7 +367,7 @@ def _init_all_integrations(sentry_init, **kwargs):
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"graphql": {"document": True}}},
+                "data_collection": {"graphql": {"document": True}},
             },
             True,
             True,
@@ -426,7 +414,7 @@ def test_request_data_collection_body_out_of_bounds_still_collects_variables(
     _init_all_integrations(
         sentry_init,
         max_request_body_size="small",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
@@ -456,9 +444,7 @@ def test_response_data_collection(
     sentry_init, capture_events, graphql_client, http_bodies, expect_response
 ):
     data_collection = {} if http_bodies is None else {"http_bodies": http_bodies}
-    _init_all_integrations(
-        sentry_init, _experiments={"data_collection": data_collection}
-    )
+    _init_all_integrations(sentry_init, data_collection=data_collection)
     events = capture_events()
 
     graphql_client().post("/graphql", json={"query": "query ErrorQuery {error}"})
diff --git a/tests/integrations/asgi/test_asgi.py b/tests/integrations/asgi/test_asgi.py
index 7f1924128e..2de17ab15a 100644
--- a/tests/integrations/asgi/test_asgi.py
+++ b/tests/integrations/asgi/test_asgi.py
@@ -831,10 +831,8 @@ async def test_get_request_data_url_with_filtered_host(
     # substituted "[Filtered]" value.
     sentry_init(
         traces_sample_rate=1.0,
-        _experiments={
-            "data_collection": {
-                "http_headers": {"request": {"mode": "allowlist", "terms": []}}
-            }
+        data_collection={
+            "http_headers": {"request": {"mode": "allowlist", "terms": []}}
         },
     )
     app = SentryAsgiMiddleware(asgi3_app)
@@ -863,10 +861,8 @@ async def test_get_request_attributes_url_with_filtered_host(
         send_default_pii=True,
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={
-            "data_collection": {
-                "http_headers": {"request": {"mode": "allowlist", "terms": []}}
-            },
+        data_collection={
+            "http_headers": {"request": {"mode": "allowlist", "terms": []}}
         },
     )
     app = SentryAsgiMiddleware(asgi3_app)
@@ -895,9 +891,7 @@ async def test_get_request_attributes_url_with_headers_off(
         send_default_pii=True,
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={
-            "data_collection": {"http_headers": {"request": {"mode": "off"}}},
-        },
+        data_collection={"http_headers": {"request": {"mode": "off"}}},
     )
     app = SentryAsgiMiddleware(asgi3_app)
 
@@ -942,16 +936,14 @@ def _http_scope():
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "token=%5BFiltered%5D&theme=dark&lang=en&session=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["theme"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["theme"]}
                 }
             },
             "token=%5BFiltered%5D&theme=%5BFiltered%5D&lang=en&session=%5BFiltered%5D",
@@ -959,10 +951,8 @@ def _http_scope():
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["theme"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["theme"]}
                 }
             },
             "token=%5BFiltered%5D&theme=dark&lang=%5BFiltered%5D&session=%5BFiltered%5D",
@@ -970,21 +960,15 @@ def _http_scope():
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["token"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["token"]}
                 }
             },
             "token=%5BFiltered%5D&theme=%5BFiltered%5D&lang=%5BFiltered%5D&session=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -992,9 +976,7 @@ def _http_scope():
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -1044,7 +1026,7 @@ async def test_get_request_data_query_string_empty_legacy_is_none(
 async def test_get_request_data_empty_query_string_dropped_with_data_collection(
     sentry_init, capture_events, asgi3_app
 ):
-    sentry_init(traces_sample_rate=1.0, _experiments={"data_collection": {}})
+    sentry_init(traces_sample_rate=1.0, data_collection={})
     app = SentryAsgiMiddleware(asgi3_app)
 
     events = capture_events()
@@ -1080,17 +1062,15 @@ async def test_get_request_data_empty_query_string_dropped_with_data_collection(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "token=%5BFiltered%5D&theme=dark&lang=en&session=%5BFiltered%5D",
             "http://example.com/foo?token=%5BFiltered%5D&theme=dark&lang=en&session=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["theme"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["theme"]}
                 }
             },
             "token=%5BFiltered%5D&theme=dark&lang=%5BFiltered%5D&session=%5BFiltered%5D",
@@ -1098,11 +1078,7 @@ async def test_get_request_data_empty_query_string_dropped_with_data_collection(
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             "http://example.com/foo",
             id="data_collection_off",
@@ -1110,9 +1086,7 @@ async def test_get_request_data_empty_query_string_dropped_with_data_collection(
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             "http://example.com/foo",
@@ -1159,13 +1133,13 @@ async def test_get_request_attributes_query_data_collection(
 
 USER_INFO_CASES = [
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": False}}},
+        {"data_collection": {"user_info": False}},
         True,
         False,
         id="dc_user_info_false",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         True,
         True,
         id="dc_default_user_info",
@@ -1173,7 +1147,7 @@ async def test_get_request_attributes_query_data_collection(
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"user_info": False}},
+            "data_collection": {"user_info": False},
         },
         True,
         False,
@@ -1192,7 +1166,7 @@ async def test_get_request_attributes_query_data_collection(
         id="legacy_pii_false",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         False,
         False,
         id="no_client",
@@ -1438,24 +1412,24 @@ async def test_custom_transaction_name(
         pytest.param({"send_default_pii": True}, True, id="legacy_pii_true"),
         pytest.param({"send_default_pii": False}, False, id="legacy_pii_false"),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             True,
             id="dc_default_user_info",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"user_info": True}}},
+            {"data_collection": {"user_info": True}},
             True,
             id="dc_user_info_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"user_info": False}}},
+            {"data_collection": {"user_info": False}},
             False,
             id="dc_user_info_false",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {"data_collection": {"user_info": False}},
+                "data_collection": {"user_info": False},
             },
             False,
             id="dc_wins_over_pii",
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionAllowlist/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionAllowlist/index.py
index a79e1a03a7..582ba1ed57 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionAllowlist/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionAllowlist/index.py
@@ -7,16 +7,14 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "http_headers": {
-                "request": {
-                    "mode": "allowlist",
-                    # "authorization" is allowlisted on purpose to show that an
-                    # allowlist entry cannot override the built-in sensitive
-                    # denylist.
-                    "terms": ["user-agent", "x-allow-me", "authorization"],
-                }
+    data_collection={
+        "http_headers": {
+            "request": {
+                "mode": "allowlist",
+                # "authorization" is allowlisted on purpose to show that an
+                # allowlist entry cannot override the built-in sensitive
+                # denylist.
+                "terms": ["user-agent", "x-allow-me", "authorization"],
             }
         }
     },
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionDenylist/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionDenylist/index.py
index 4c59de9cb4..cc4f7529b8 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionDenylist/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionDenylist/index.py
@@ -7,15 +7,13 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "http_headers": {
-                "request": {
-                    "mode": "denylist",
-                    # Custom terms deny otherwise non-sensitive headers on top
-                    # of the built-in sensitive denylist.
-                    "terms": ["x-forwarded", "user-agent"],
-                }
+    data_collection={
+        "http_headers": {
+            "request": {
+                "mode": "denylist",
+                # Custom terms deny otherwise non-sensitive headers on top
+                # of the built-in sensitive denylist.
+                "terms": ["x-forwarded", "user-agent"],
             }
         }
     },
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionOff/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionOff/index.py
index 6f3a7a8126..9aa8560643 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionOff/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionOff/index.py
@@ -7,11 +7,9 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "http_headers": {
-                "request": {"mode": "off"},
-            }
+    data_collection={
+        "http_headers": {
+            "request": {"mode": "off"},
         }
     },
 )
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryAllowlist/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryAllowlist/index.py
index 67ed8be6e3..1eb286a89a 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryAllowlist/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryAllowlist/index.py
@@ -7,14 +7,12 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "url_query_params": {
-                "mode": "allowlist",
-                # "token" is allowlisted on purpose to show that an allowlist
-                # entry cannot override the built-in sensitive denylist.
-                "terms": ["page", "token"],
-            }
+    data_collection={
+        "url_query_params": {
+            "mode": "allowlist",
+            # "token" is allowlisted on purpose to show that an allowlist
+            # entry cannot override the built-in sensitive denylist.
+            "terms": ["page", "token"],
         }
     },
 )
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryDenylist/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryDenylist/index.py
index 389d7890ea..0aeb919ae8 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryDenylist/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryDenylist/index.py
@@ -7,14 +7,12 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "url_query_params": {
-                "mode": "denylist",
-                # Custom terms deny otherwise non-sensitive query params on top
-                # of the built-in sensitive denylist.
-                "terms": ["tracking"],
-            }
+    data_collection={
+        "url_query_params": {
+            "mode": "denylist",
+            # Custom terms deny otherwise non-sensitive query params on top
+            # of the built-in sensitive denylist.
+            "terms": ["tracking"],
         }
     },
 )
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryOff/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryOff/index.py
index 02446562d9..5c9d6b7724 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryOff/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUrlQueryOff/index.py
@@ -7,10 +7,8 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "url_query_params": {"mode": "off"},
-        }
+    data_collection={
+        "url_query_params": {"mode": "off"},
     },
 )
 
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOff/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOff/index.py
index 18c5450196..4cfe3abbeb 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOff/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOff/index.py
@@ -7,10 +7,8 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "user_info": False,
-        }
+    data_collection={
+        "user_info": False,
     },
 )
 
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOn/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOn/index.py
index 07527dad4a..bcb0d66575 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOn/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkDataCollectionUserInfoOn/index.py
@@ -7,10 +7,8 @@
     dsn=os.environ.get("SENTRY_DSN"),
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
-    _experiments={
-        "data_collection": {
-            "user_info": True,
-        }
+    data_collection={
+        "user_info": True,
     },
 )
 
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollection/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollection/index.py
index b1ee2ec8a6..add84cc9c2 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollection/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollection/index.py
@@ -8,13 +8,11 @@
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
     trace_lifecycle="stream",
-    _experiments={
-        "data_collection": {
-            "url_query_params": {
-                "mode": "denylist",
-                "terms": ["tracking"],
-            }
-        },
+    data_collection={
+        "url_query_params": {
+            "mode": "denylist",
+            "terms": ["tracking"],
+        }
     },
 )
 
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOff/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOff/index.py
index 941a5578a7..ef00b0fce4 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOff/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOff/index.py
@@ -8,10 +8,8 @@
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
     trace_lifecycle="stream",
-    _experiments={
-        "data_collection": {
-            "user_info": False,
-        }
+    data_collection={
+        "user_info": False,
     },
 )
 
diff --git a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOn/index.py b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOn/index.py
index d5e9590979..4cec57ed71 100644
--- a/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOn/index.py
+++ b/tests/integrations/aws_lambda/lambda_functions_with_embedded_sdk/BasicOkSpanStreamingDataCollectionUserInfoOn/index.py
@@ -8,10 +8,8 @@
     traces_sample_rate=1.0,
     integrations=[AwsLambdaIntegration()],
     trace_lifecycle="stream",
-    _experiments={
-        "data_collection": {
-            "user_info": True,
-        }
+    data_collection={
+        "user_info": True,
     },
 )
 
diff --git a/tests/integrations/boto3/test_s3.py b/tests/integrations/boto3/test_s3.py
index 9e6b296596..888e44ee4c 100644
--- a/tests/integrations/boto3/test_s3.py
+++ b/tests/integrations/boto3/test_s3.py
@@ -460,16 +460,14 @@ def test_breadcrumb_span_streaming(sentry_init, capture_events, send_default_pii
         id="defaults",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         "list-type=2&prefix=foo&continuation-token=%5BFiltered%5D&encoding-type=url",
         id="data_collection_denylist_default",
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "denylist", "terms": ["prefix"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "denylist", "terms": ["prefix"]}
             }
         },
         "list-type=2&prefix=%5BFiltered%5D&continuation-token=%5BFiltered%5D&encoding-type=url",
@@ -477,10 +475,8 @@ def test_breadcrumb_span_streaming(sentry_init, capture_events, send_default_pii
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["prefix"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["prefix"]}
             }
         },
         "list-type=%5BFiltered%5D&prefix=foo&continuation-token=%5BFiltered%5D&encoding-type=%5BFiltered%5D",
@@ -488,12 +484,10 @@ def test_breadcrumb_span_streaming(sentry_init, capture_events, send_default_pii
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {
-                        "mode": "allowlist",
-                        "terms": ["continuation-token"],
-                    }
+            "data_collection": {
+                "url_query_params": {
+                    "mode": "allowlist",
+                    "terms": ["continuation-token"],
                 }
             }
         },
@@ -501,14 +495,14 @@ def test_breadcrumb_span_streaming(sentry_init, capture_events, send_default_pii
         id="data_collection_allowlist_sensitive_term",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}}},
+        {"data_collection": {"url_query_params": {"mode": "off"}}},
         "",
         id="data_collection_off",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}},
+            "data_collection": {"url_query_params": {"mode": "off"}},
         },
         "",
         id="data_collection_wins_over_send_default_pii",
diff --git a/tests/integrations/bottle/test_bottle.py b/tests/integrations/bottle/test_bottle.py
index a4e23789ea..7f8ad7fa3f 100644
--- a/tests/integrations/bottle/test_bottle.py
+++ b/tests/integrations/bottle/test_bottle.py
@@ -893,7 +893,7 @@ def test_request_body_data_collection(
 ):
     sentry_init(
         integrations=[BottleIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     data = {"foo": "bar"}
@@ -922,7 +922,7 @@ def test_request_body_dropped_with_form_and_files_data_collection(
     sentry_init(
         integrations=[BottleIntegration()],
         max_request_body_size="always",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     data = {
@@ -956,7 +956,7 @@ def test_transaction_request_body_data_collection(
     sentry_init(
         integrations=[BottleIntegration()],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     data = {"username": "sentry-user", "age": "26"}
@@ -987,7 +987,7 @@ def test_oversized_request_body_not_annotated_data_collection(
     sentry_init(
         integrations=[BottleIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     data = "a" * 2000
diff --git a/tests/integrations/celery/test_celery.py b/tests/integrations/celery/test_celery.py
index 0bc22d9509..56c7e9b781 100644
--- a/tests/integrations/celery/test_celery.py
+++ b/tests/integrations/celery/test_celery.py
@@ -236,19 +236,19 @@ def dummy_task(x, y):
     "init_kwargs,expected_args,expected_kwargs",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "included",
             "included",
             id="data_collection_default",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"queues": True}}},
+            {"data_collection": {"queues": True}},
             "included",
             "included",
             id="data_collection_queues_on",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"queues": False}}},
+            {"data_collection": {"queues": False}},
             None,
             None,
             id="data_collection_queues_off",
@@ -261,7 +261,7 @@ def dummy_task(x, y):
         ),
         pytest.param(
             {
-                "_experiments": {"data_collection": {"queues": False}},
+                "data_collection": {"queues": False},
                 "send_default_pii": False,
             },
             None,
@@ -270,7 +270,7 @@ def dummy_task(x, y):
         ),
         pytest.param(
             {
-                "_experiments": {"data_collection": {"queues": True}},
+                "data_collection": {"queues": True},
                 "send_default_pii": False,
             },
             "included",
diff --git a/tests/integrations/clickhouse_driver/test_clickhouse_driver.py b/tests/integrations/clickhouse_driver/test_clickhouse_driver.py
index 8a82f903c1..d333f2a6c9 100644
--- a/tests/integrations/clickhouse_driver/test_clickhouse_driver.py
+++ b/tests/integrations/clickhouse_driver/test_clickhouse_driver.py
@@ -448,7 +448,7 @@ def test_clickhouse_client_breadcrumbs_with_data_collection(
 ) -> None:
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
-        _experiments={"data_collection": {"database_query_data": True}},
+        data_collection={"database_query_data": True},
     )
     events = capture_events()
 
@@ -552,7 +552,7 @@ def test_clickhouse_client_breadcrumbs_with_data_collection_span_streaming(
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
         trace_lifecycle="stream",
-        _experiments={"data_collection": {"database_query_data": True}},
+        data_collection={"database_query_data": True},
     )
     events = capture_events()
 
@@ -654,7 +654,7 @@ def test_clickhouse_client_breadcrumbs_with_data_collection_disabled(
 ) -> None:
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -754,7 +754,7 @@ def test_clickhouse_client_breadcrumbs_with_data_collection_disabled_span_stream
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
         trace_lifecycle="stream",
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -854,7 +854,7 @@ def test_clickhouse_client_breadcrumbs_data_collection_overrides_pii(
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
         send_default_pii=True,
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -955,7 +955,7 @@ def test_clickhouse_client_breadcrumbs_data_collection_overrides_pii_span_stream
         integrations=[ClickhouseDriverIntegration()],
         send_default_pii=True,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -1054,7 +1054,7 @@ def test_clickhouse_client_breadcrumbs_with_data_collection_default(
 ) -> None:
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
@@ -1158,7 +1158,7 @@ def test_clickhouse_client_breadcrumbs_with_data_collection_default_span_streami
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
@@ -1264,9 +1264,7 @@ def test_clickhouse_client_span_streaming_with_data_collection(
         integrations=[ClickhouseDriverIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={
-            "data_collection": {"database_query_data": True},
-        },
+        data_collection={"database_query_data": True},
     )
     items = capture_items("span")
 
@@ -1299,7 +1297,7 @@ def test_clickhouse_client_send_data_generator_with_data_collection(
 ) -> None:
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
-        _experiments={"data_collection": {"database_query_data": True}},
+        data_collection={"database_query_data": True},
     )
     events = capture_events()
 
@@ -1329,7 +1327,7 @@ def test_clickhouse_client_send_data_generator_with_data_collection_disabled(
 ) -> None:
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
@@ -1360,7 +1358,7 @@ def test_clickhouse_client_send_data_generator_span_streaming_with_data_collecti
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
         trace_lifecycle="stream",
-        _experiments={"data_collection": {"database_query_data": True}},
+        data_collection={"database_query_data": True},
     )
     events = capture_events()
 
@@ -1391,7 +1389,7 @@ def test_clickhouse_client_send_data_generator_span_streaming_with_data_collecti
     sentry_init(
         integrations=[ClickhouseDriverIntegration()],
         trace_lifecycle="stream",
-        _experiments={"data_collection": {"database_query_data": False}},
+        data_collection={"database_query_data": False},
     )
     events = capture_events()
 
diff --git a/tests/integrations/cohere/test_cohere.py b/tests/integrations/cohere/test_cohere.py
index db13e39ade..9cb9fac75d 100644
--- a/tests/integrations/cohere/test_cohere.py
+++ b/tests/integrations/cohere/test_cohere.py
@@ -614,7 +614,7 @@ def _init_with_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        kwargs["_experiments"] = {"data_collection": data_collection}
+        kwargs["data_collection"] = data_collection
 
     sentry_init(**kwargs)
 
diff --git a/tests/integrations/django/asgi/test_asgi.py b/tests/integrations/django/asgi/test_asgi.py
index 5556dc7638..42489d690c 100644
--- a/tests/integrations/django/asgi/test_asgi.py
+++ b/tests/integrations/django/asgi/test_asgi.py
@@ -875,7 +875,7 @@ async def test_asgi_request_body_data_collection(
 ):
     sentry_init(
         integrations=[DjangoIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
     events = capture_events()
 
@@ -911,7 +911,7 @@ async def test_asgi_request_body_dropped_with_form_and_files_data_collection(
     sentry_init(
         integrations=[DjangoIntegration()],
         max_request_body_size="always",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     events = capture_events()
 
@@ -947,7 +947,7 @@ async def test_asgi_transaction_request_body_data_collection(
     sentry_init(
         integrations=[DjangoIntegration()],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     events = capture_events()
 
@@ -984,7 +984,7 @@ async def test_asgi_oversized_request_body_not_annotated_data_collection(
     sentry_init(
         integrations=[DjangoIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     events = capture_events()
 
diff --git a/tests/integrations/django/test_basic.py b/tests/integrations/django/test_basic.py
index cc61635dec..59afe9be6b 100644
--- a/tests/integrations/django/test_basic.py
+++ b/tests/integrations/django/test_basic.py
@@ -1236,7 +1236,7 @@ def test_request_body_data_collection(
 ):
     sentry_init(
         integrations=[DjangoIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
     items = capture_items("event")
 
@@ -1264,7 +1264,7 @@ def test_request_body_dropped_with_form_and_files_data_collection(
     sentry_init(
         integrations=[DjangoIntegration()],
         max_request_body_size="always",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     items = capture_items("event")
 
@@ -1286,7 +1286,7 @@ def test_transaction_request_body_data_collection(sentry_init, client, capture_e
     sentry_init(
         integrations=[DjangoIntegration()],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     events = capture_events()
 
@@ -1315,7 +1315,7 @@ def test_oversized_request_body_not_annotated_data_collection(
     sentry_init(
         integrations=[DjangoIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     items = capture_items("event")
 
diff --git a/tests/integrations/django/test_data_scrubbing.py b/tests/integrations/django/test_data_scrubbing.py
index fa60302850..a660341fea 100644
--- a/tests/integrations/django/test_data_scrubbing.py
+++ b/tests/integrations/django/test_data_scrubbing.py
@@ -170,7 +170,7 @@ def test_data_collection_cookies(
 ):
     sentry_init(
         integrations=[DjangoIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
     items = capture_items("event")
     for name, value in cookies_to_set.items():
@@ -194,7 +194,7 @@ def test_data_collection_cookies_precedence_over_send_default_pii(
     sentry_init(
         integrations=[DjangoIntegration()],
         send_default_pii=False,
-        _experiments={"data_collection": {"cookies": {"mode": "denylist"}}},
+        data_collection={"cookies": {"mode": "denylist"}},
     )
     items = capture_items("event")
     werkzeug_set_cookie(client, "localhost", "sessionid", "123")
@@ -231,27 +231,21 @@ def test_data_collection_cookies_precedence_over_send_default_pii(
             id="legacy_send_default_pii_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -293,27 +287,21 @@ def test_query_string_data_collection(
             id="legacy_send_default_pii_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -371,7 +359,7 @@ def test_empty_query_string_is_dropped_with_data_collection(
     # reduce envelope size, so the ``query_string`` key is absent.
     sentry_init(
         integrations=[DjangoIntegration()],
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
@@ -387,14 +375,10 @@ def test_empty_query_string_is_dropped_with_data_collection(
 def test_user_info_span_attributes_data_collection(
     sentry_init, client, capture_items, init_kwargs, expect_ip
 ):
-    init_kwargs = dict(init_kwargs)  # shallow copy so we can mutate
-    experiments = init_kwargs.pop("_experiments", {})
-
     sentry_init(
         integrations=[DjangoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=experiments,
         **init_kwargs,
     )
 
@@ -423,14 +407,10 @@ def test_user_info_span_attributes_data_collection(
 def test_user_identity_span_attributes_data_collection(
     sentry_init, client, capture_items, init_kwargs, expect_user
 ):
-    init_kwargs = dict(init_kwargs)  # shallow copy so we can mutate
-    experiments = init_kwargs.pop("_experiments", {})
-
     sentry_init(
         integrations=[DjangoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=experiments,
         **init_kwargs,
     )
 
@@ -505,7 +485,7 @@ def test_error_event_no_user_ip_address_without_remote_addr(
 ):
     sentry_init(
         integrations=[DjangoIntegration()],
-        _experiments={"data_collection": {"user_info": True}},
+        data_collection={"user_info": True},
     )
     events = capture_events()
 
diff --git a/tests/integrations/dramatiq/test_dramatiq.py b/tests/integrations/dramatiq/test_dramatiq.py
index b5812ef247..6f889e5d9b 100644
--- a/tests/integrations/dramatiq/test_dramatiq.py
+++ b/tests/integrations/dramatiq/test_dramatiq.py
@@ -460,16 +460,12 @@ def dummy_actor(x, y):
     [
         pytest.param({}, True, id="data_collection_not_enabled"),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"http_bodies": ["incoming_request"]}
-                }
-            },
+            {"data_collection": {"http_bodies": ["incoming_request"]}},
             True,
             id="data_collection_http_bodies_incoming_request",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"http_bodies": []}}},
+            {"data_collection": {"http_bodies": []}},
             False,
             id="data_collection_http_bodies_empty",
         ),
@@ -501,7 +497,7 @@ def dummy_actor(x, y):
 
 @pytest.mark.parametrize(
     "broker",
-    [{"_experiments": {"data_collection": {"http_bodies": []}}}],
+    [{"data_collection": {"http_bodies": []}}],
     indirect=True,
 )
 def test_that_dramatiq_context_type_is_set_regardless_of_data_collection(
diff --git a/tests/integrations/fastapi/test_fastapi.py b/tests/integrations/fastapi/test_fastapi.py
index 7bf319d9f6..a79b915eef 100644
--- a/tests/integrations/fastapi/test_fastapi.py
+++ b/tests/integrations/fastapi/test_fastapi.py
@@ -358,7 +358,7 @@ async def test_formdata_request_body_data_collection_http_bodies_empty(
         max_request_body_size="always",
         integrations=[StarletteIntegration()],
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     app = fastapi_app_factory()
@@ -418,9 +418,7 @@ async def test_request_body_data_collection(
         traces_sample_rate=1.0,
         integrations=[StarletteIntegration()],
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments=(
-            {} if data_collection is None else {"data_collection": data_collection}
-        ),
+        data_collection=data_collection,
     )
 
     app = fastapi_app_factory()
diff --git a/tests/integrations/flask/test_flask.py b/tests/integrations/flask/test_flask.py
index 8b8fe141bf..fa84780fd9 100644
--- a/tests/integrations/flask/test_flask.py
+++ b/tests/integrations/flask/test_flask.py
@@ -1274,27 +1274,21 @@ def test_transaction_or_segment_http_method_custom(
             id="legacy_send_default_pii_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -1340,27 +1334,21 @@ def test_query_string_data_collection(
             id="legacy_send_default_pii_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -1417,7 +1405,7 @@ def test_empty_query_string_is_dropped_with_data_collection(
 ):
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     events = capture_events()
 
@@ -1432,14 +1420,10 @@ def test_empty_query_string_is_dropped_with_data_collection(
 def test_user_info_span_attributes_data_collection(
     sentry_init, app, capture_items, monkeypatch, init_kwargs, expect_ip
 ):
-    init_kwargs = dict(init_kwargs)  # shallow copy so we can mutate
-    experiments = init_kwargs.pop("_experiments", {})
-
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=experiments,
         **init_kwargs,
     )
     # This test is about user IP collection, not flask_login. Disable
@@ -1496,7 +1480,7 @@ def test_error_event_no_user_ip_address_without_remote_addr(
 ):
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
-        _experiments={"data_collection": {"user_info": True}},
+        data_collection={"user_info": True},
     )
     monkeypatch.setattr(flask_sentry, "flask_login", None)
 
@@ -1567,14 +1551,10 @@ def crash():
 def test_flask_login_user_identity_span_attributes_data_collection(
     sentry_init, app, capture_items, init_kwargs, expect_user
 ):
-    init_kwargs = dict(init_kwargs)
-    experiments = init_kwargs.pop("_experiments", {})
-
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=experiments,
         **init_kwargs,
     )
 
@@ -1641,7 +1621,7 @@ def test_flask_request_body_data_collection(
 ):
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
     # This test is about request body gating, not user data.
     monkeypatch.setattr(flask_sentry, "flask_login", None)
@@ -1672,7 +1652,7 @@ def test_flask_request_body_dropped_with_form_and_files_data_collection(
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
         max_request_body_size="always",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     monkeypatch.setattr(flask_sentry, "flask_login", None)
 
@@ -1705,7 +1685,7 @@ def test_flask_transaction_request_body_data_collection(
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     monkeypatch.setattr(flask_sentry, "flask_login", None)
 
@@ -1737,7 +1717,7 @@ def test_flask_oversized_request_body_not_annotated_data_collection(
     sentry_init(
         integrations=[flask_sentry.FlaskIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
     monkeypatch.setattr(flask_sentry, "flask_login", None)
 
diff --git a/tests/integrations/gcp/test_gcp.py b/tests/integrations/gcp/test_gcp.py
index a2b310b318..d779295cc1 100644
--- a/tests/integrations/gcp/test_gcp.py
+++ b/tests/integrations/gcp/test_gcp.py
@@ -857,7 +857,7 @@ def _build_init_kwargs(send_default_pii, data_collection):
     if send_default_pii is not None:
         kwargs.append("send_default_pii=%r" % send_default_pii)
     if data_collection is not None:
-        kwargs.append("_experiments=%r" % {"data_collection": data_collection})
+        kwargs.append("data_collection=%r" % (data_collection,))
 
     return ", ".join(kwargs)
 
diff --git a/tests/integrations/google_genai/test_google_genai.py b/tests/integrations/google_genai/test_google_genai.py
index 9ea8431a7a..444333e45f 100644
--- a/tests/integrations/google_genai/test_google_genai.py
+++ b/tests/integrations/google_genai/test_google_genai.py
@@ -3764,7 +3764,7 @@ def test_generate_content_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -3891,7 +3891,7 @@ def test_generate_content_data_collection_tools(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -4087,7 +4087,7 @@ def test_streaming_generate_content_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -4245,7 +4245,7 @@ def test_streaming_generate_content_data_collection_tools(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -4430,7 +4430,7 @@ def test_embed_content_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -4584,7 +4584,7 @@ async def test_async_generate_content_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -4725,7 +4725,7 @@ async def test_async_embed_content_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
diff --git a/tests/integrations/gql/test_gql.py b/tests/integrations/gql/test_gql.py
index 77787e696d..dcaee5be10 100644
--- a/tests/integrations/gql/test_gql.py
+++ b/tests/integrations/gql/test_gql.py
@@ -180,24 +180,24 @@ def test_real_gql_request_with_error_with_pii(
         pytest.param({}, False, id="no_pii_no_data_collection"),
         pytest.param({"send_default_pii": True}, True, id="legacy_pii_on"),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             True,
             id="data_collection_defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"document": True}}}},
+            {"data_collection": {"graphql": {"document": True}}},
             True,
             id="data_collection_document_on",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"document": False}}}},
+            {"data_collection": {"graphql": {"document": False}}},
             False,
             id="data_collection_document_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {"data_collection": {"graphql": {"document": False}}},
+                "data_collection": {"graphql": {"document": False}},
             },
             False,
             id="data_collection_takes_precedence_over_send_default_pii_on",
@@ -205,7 +205,7 @@ def test_real_gql_request_with_error_with_pii(
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"graphql": {"document": True}}},
+                "data_collection": {"graphql": {"document": True}},
             },
             True,
             id="data_collection_takes_precedence_over_send_default_pii_off",
@@ -238,17 +238,17 @@ def test_real_gql_request_with_error_data_collection(
     [
         pytest.param({"send_default_pii": True}, True, id="legacy_pii_on"),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             True,
             id="data_collection_defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"variables": True}}}},
+            {"data_collection": {"graphql": {"variables": True}}},
             True,
             id="data_collection_variables_on",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"variables": False}}}},
+            {"data_collection": {"graphql": {"variables": False}}},
             False,
             id="data_collection_variables_off",
         ),
diff --git a/tests/integrations/graphene/test_graphene.py b/tests/integrations/graphene/test_graphene.py
index 76bfc13f77..60f47463cb 100644
--- a/tests/integrations/graphene/test_graphene.py
+++ b/tests/integrations/graphene/test_graphene.py
@@ -185,7 +185,7 @@ def test_event_processor_data_collection_sync(
 ):
     init_kwargs = {
         "integrations": [GrapheneIntegration(), FlaskIntegration()],
-        "_experiments": {"data_collection": data_collection},
+        "data_collection": data_collection,
     }
     if send_default_pii is not None:
         init_kwargs["send_default_pii"] = send_default_pii
@@ -231,7 +231,7 @@ def test_event_processor_data_collection_async(
             FastApiIntegration(),
             StarletteIntegration(),
         ],
-        "_experiments": {"data_collection": data_collection},
+        "data_collection": data_collection,
     }
 
     if send_default_pii is not None:
@@ -384,7 +384,7 @@ def test_graphql_span_data_collection(
         "integrations": [GrapheneIntegration(), FlaskIntegration()],
         "traces_sample_rate": 1.0,
         "default_integrations": False,
-        "_experiments": {"data_collection": data_collection},
+        "data_collection": data_collection,
     }
     if send_default_pii is not None:
         init_kwargs["send_default_pii"] = send_default_pii
@@ -494,7 +494,7 @@ def test_graphql_streamed_span_data_collection(
         "traces_sample_rate": 1.0,
         "default_integrations": False,
         "trace_lifecycle": "stream",
-        "_experiments": {"data_collection": data_collection},
+        "data_collection": data_collection,
     }
     if send_default_pii is not None:
         init_kwargs["send_default_pii"] = send_default_pii
diff --git a/tests/integrations/httpx/test_httpx.py b/tests/integrations/httpx/test_httpx.py
index 0187b068c7..96e3dd001e 100644
--- a/tests/integrations/httpx/test_httpx.py
+++ b/tests/integrations/httpx/test_httpx.py
@@ -2350,16 +2350,14 @@ async def test_http_url_attributes_no_query_or_fragment_span_streaming_async(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -2367,10 +2365,8 @@ async def test_http_url_attributes_no_query_or_fragment_span_streaming_async(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -2378,30 +2374,22 @@ async def test_http_url_attributes_no_query_or_fragment_span_streaming_async(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -2457,16 +2445,14 @@ def test_url_query_data_collection_span_streaming_sync(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -2474,10 +2460,8 @@ def test_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -2485,30 +2469,22 @@ def test_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -2548,16 +2524,14 @@ async def test_url_query_data_collection_span_streaming_async(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2596,16 +2570,14 @@ def test_url_full_reassembly_span_streaming_sync(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2643,20 +2615,14 @@ async def test_url_full_reassembly_span_streaming_async(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             "http://example.com/#frag",
             id="data_collection_wins_over_send_default_pii",
@@ -2706,20 +2672,14 @@ def test_url_query_params_off_keeps_bare_url_span_streaming_sync(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             "http://example.com/#frag",
             id="data_collection_wins_over_send_default_pii",
@@ -2768,7 +2728,7 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
     "init_kwargs, expected_url, expected_query, expected_fragment",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             "frag",
@@ -2776,10 +2736,8 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2788,11 +2746,7 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             "",
             "frag",
@@ -2851,7 +2805,7 @@ def test_crumb_url_query_data_collection_span_streaming_sync(
     "init_kwargs, expected_url, expected_query, expected_fragment",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             "frag",
@@ -2859,10 +2813,8 @@ def test_crumb_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2871,11 +2823,7 @@ def test_crumb_url_query_data_collection_span_streaming_sync(
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             "",
             "frag",
@@ -2933,15 +2881,11 @@ async def test_crumb_url_query_data_collection_span_streaming_async(
     "init_kwargs",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             id="data_collection_off",
         ),
     ],
@@ -2979,15 +2923,11 @@ def test_crumb_url_query_unfiltered_legacy_sync(
     "init_kwargs",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             id="data_collection_off",
         ),
     ],
@@ -3025,7 +2965,7 @@ def test_omit_url_data_if_parsing_fails_span_streaming(
         integrations=[HttpxIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     items = capture_items("span")
diff --git a/tests/integrations/httpx2/test_httpx2.py b/tests/integrations/httpx2/test_httpx2.py
index 9f4e10cf08..d0523bd05b 100644
--- a/tests/integrations/httpx2/test_httpx2.py
+++ b/tests/integrations/httpx2/test_httpx2.py
@@ -2389,16 +2389,14 @@ async def test_http_url_attributes_pii_disabled_span_streaming_async(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -2406,10 +2404,8 @@ async def test_http_url_attributes_pii_disabled_span_streaming_async(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -2417,30 +2413,22 @@ async def test_http_url_attributes_pii_disabled_span_streaming_async(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -2496,16 +2484,14 @@ def test_url_query_data_collection_span_streaming_sync(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -2513,10 +2499,8 @@ def test_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -2524,30 +2508,22 @@ def test_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -2587,16 +2563,14 @@ async def test_url_query_data_collection_span_streaming_async(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2635,16 +2609,14 @@ def test_url_full_reassembly_span_streaming_sync(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2682,20 +2654,14 @@ async def test_url_full_reassembly_span_streaming_async(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             "http://example.com/#frag",
             id="data_collection_wins_over_send_default_pii",
@@ -2745,20 +2711,14 @@ def test_url_query_params_off_keeps_bare_url_span_streaming_sync(
     "init_kwargs, expected_url_full",
     [
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             "http://example.com/#frag",
             id="data_collection_wins_over_send_default_pii",
@@ -2807,7 +2767,7 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
     "init_kwargs, expected_url, expected_query, expected_fragment",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             "frag",
@@ -2815,10 +2775,8 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2827,11 +2785,7 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             "",
             "frag",
@@ -2890,7 +2844,7 @@ def test_crumb_url_query_data_collection_span_streaming_sync(
     "init_kwargs, expected_url, expected_query, expected_fragment",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "http://example.com/?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             "frag",
@@ -2898,10 +2852,8 @@ def test_crumb_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "http://example.com/?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -2910,11 +2862,7 @@ def test_crumb_url_query_data_collection_span_streaming_sync(
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "http://example.com/#frag",
             "",
             "frag",
@@ -2972,15 +2920,11 @@ async def test_crumb_url_query_data_collection_span_streaming_async(
     "init_kwargs",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             id="data_collection_off",
         ),
     ],
@@ -3018,15 +2962,11 @@ def test_crumb_url_query_unfiltered_legacy_sync(
     "init_kwargs",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             id="data_collection_off",
         ),
     ],
@@ -3064,7 +3004,7 @@ def test_omit_url_data_if_parsing_fails_span_streaming(
         integrations=[Httpx2Integration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     items = capture_items("span")
diff --git a/tests/integrations/huggingface_hub/test_huggingface_hub.py b/tests/integrations/huggingface_hub/test_huggingface_hub.py
index c1b38d4377..3a04a51d52 100644
--- a/tests/integrations/huggingface_hub/test_huggingface_hub.py
+++ b/tests/integrations/huggingface_hub/test_huggingface_hub.py
@@ -2074,7 +2074,7 @@ def test_text_generation_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -2228,7 +2228,7 @@ def test_text_generation_streaming_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -2392,7 +2392,7 @@ def test_chat_completion_data_collection_tools(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -2572,7 +2572,7 @@ def test_chat_completion_streaming_data_collection_tools(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
diff --git a/tests/integrations/langchain/test_langchain.py b/tests/integrations/langchain/test_langchain.py
index 6e906fa840..a6fa363744 100644
--- a/tests/integrations/langchain/test_langchain.py
+++ b/tests/integrations/langchain/test_langchain.py
@@ -6249,7 +6249,7 @@ def test_langchain_chat_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -6457,7 +6457,7 @@ def test_langchain_text_completion_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -6641,7 +6641,7 @@ def test_langchain_data_collection_tools(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -6770,7 +6770,7 @@ def test_langchain_data_collection_request_tool_call_params(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -6911,7 +6911,7 @@ def test_langchain_tool_execution_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -7086,7 +7086,7 @@ def test_langchain_agent_executor_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -7247,7 +7247,7 @@ async def test_langchain_embeddings_data_collection(
         trace_lifecycle="stream" if span_streaming else "static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
diff --git a/tests/integrations/langgraph/test_langgraph.py b/tests/integrations/langgraph/test_langgraph.py
index 1070cb4104..7b6a6cc3d9 100644
--- a/tests/integrations/langgraph/test_langgraph.py
+++ b/tests/integrations/langgraph/test_langgraph.py
@@ -2195,7 +2195,7 @@ def test_pregel_invoke_gates_request_messages_on_inputs_setting(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -2286,7 +2286,7 @@ def test_pregel_invoke_gates_response_text_and_tool_calls_on_outputs_setting(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -2383,7 +2383,7 @@ def test_pregel_ainvoke_gates_inputs_and_outputs_independently(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -2448,9 +2448,7 @@ def test_pregel_invoke_message_delta_ignores_gen_ai_inputs_setting(
         traces_sample_rate=1.0,
         stream_gen_ai_spans=span_streaming,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={
-            "data_collection": {"gen_ai": {"inputs": False, "outputs": True}}
-        },
+        data_collection={"gen_ai": {"inputs": False, "outputs": True}},
     )
 
     prior_response = "Of course! How can I assist you?"
@@ -2522,9 +2520,7 @@ def test_pregel_ainvoke_message_delta_ignores_gen_ai_inputs_setting(
         traces_sample_rate=1.0,
         stream_gen_ai_spans=span_streaming,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={
-            "data_collection": {"gen_ai": {"inputs": False, "outputs": True}}
-        },
+        data_collection={"gen_ai": {"inputs": False, "outputs": True}},
     )
 
     prior_response = "It is sunny in Berlin."
@@ -2630,7 +2626,7 @@ def test_state_graph_compile_gates_available_tools_only_when_data_collection_con
         "stream_gen_ai_spans": False,
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
diff --git a/tests/integrations/litellm/test_litellm.py b/tests/integrations/litellm/test_litellm.py
index 8358151580..a5d5c2ae9f 100644
--- a/tests/integrations/litellm/test_litellm.py
+++ b/tests/integrations/litellm/test_litellm.py
@@ -3673,7 +3673,7 @@ def test_chat_completion_data_collection(
         trace_lifecycle="static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -3800,7 +3800,7 @@ def test_embeddings_data_collection(
         trace_lifecycle="static",
     )
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
diff --git a/tests/integrations/litestar/test_litestar.py b/tests/integrations/litestar/test_litestar.py
index 5453aaec6c..7e59e65864 100644
--- a/tests/integrations/litestar/test_litestar.py
+++ b/tests/integrations/litestar/test_litestar.py
@@ -704,9 +704,7 @@ def test_request_body_data_collection(
     sentry_init(
         traces_sample_rate=1.0,
         integrations=[LitestarIntegration()],
-        _experiments=(
-            {} if data_collection is None else {"data_collection": data_collection}
-        ),
+        data_collection=data_collection,
     )
 
     litestar_app = litestar_app_factory()
@@ -734,7 +732,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
         traces_sample_rate=1.0,
         integrations=[LitestarIntegration()],
         send_default_pii=True,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     litestar_app = litestar_app_factory()
@@ -773,12 +771,12 @@ def test_request_body_data_collection_wins_over_send_default_pii(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "off"}}}},
+            {"data_collection": {"cookies": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}}},
+            {"data_collection": {"cookies": {"mode": "denylist"}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -788,13 +786,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "denylist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "denylist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": SENSITIVE_DATA_SUBSTITUTE,
@@ -804,13 +796,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
             id="data_collection_denylist_custom_terms",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "allowlist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -821,10 +807,8 @@ def test_request_body_data_collection_wins_over_send_default_pii(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["identity"]}
-                    }
+                "data_collection": {
+                    "cookies": {"mode": "allowlist", "terms": ["identity"]}
                 }
             },
             {
@@ -838,7 +822,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}},
+                "data_collection": {"cookies": {"mode": "denylist"}},
             },
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
diff --git a/tests/integrations/mcp/test_mcp.py b/tests/integrations/mcp/test_mcp.py
index 1150302ac8..15432d8d84 100644
--- a/tests/integrations/mcp/test_mcp.py
+++ b/tests/integrations/mcp/test_mcp.py
@@ -2247,7 +2247,7 @@ async def test_tool_data_collection_inputs(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -2365,7 +2365,7 @@ async def test_tool_data_collection_outputs(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -2486,7 +2486,7 @@ async def test_prompt_data_collection_inputs(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -2572,7 +2572,7 @@ async def test_include_prompts_ignored_when_data_collection_set(
         traces_sample_rate=1.0,
         send_default_pii=True,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": {"gen_ai": {"outputs": True}}},
+        data_collection={"gen_ai": {"outputs": True}},
     )
 
     server = Server("test-server")
diff --git a/tests/integrations/mistral/test_mistral.py b/tests/integrations/mistral/test_mistral.py
index 0854683f4d..21808020c4 100644
--- a/tests/integrations/mistral/test_mistral.py
+++ b/tests/integrations/mistral/test_mistral.py
@@ -490,7 +490,7 @@ def test_input_attributes_nonstreaming_chat(
             traces_sample_rate=1.0,
             stream_gen_ai_spans=stream_gen_ai_spans,
             trace_lifecycle="stream" if span_streaming else "static",
-            _experiments={"data_collection": {}},
+            data_collection={},
         )
     else:
         sentry_init(
@@ -779,7 +779,7 @@ async def test_input_attributes_nonstreaming_chat_async(
             traces_sample_rate=1.0,
             stream_gen_ai_spans=stream_gen_ai_spans,
             trace_lifecycle="stream" if span_streaming else "static",
-            _experiments={"data_collection": {}},
+            data_collection={},
         )
     else:
         sentry_init(
@@ -871,7 +871,7 @@ def test_output_attributes_nonstreaming_chat(
             traces_sample_rate=1.0,
             stream_gen_ai_spans=stream_gen_ai_spans,
             trace_lifecycle="stream" if span_streaming else "static",
-            _experiments={"data_collection": {}},
+            data_collection={},
         )
     else:
         sentry_init(
@@ -981,7 +981,7 @@ async def test_output_attributes_nonstreaming_chat_async(
             traces_sample_rate=1.0,
             stream_gen_ai_spans=stream_gen_ai_spans,
             trace_lifecycle="stream" if span_streaming else "static",
-            _experiments={"data_collection": {}},
+            data_collection={},
         )
     else:
         sentry_init(
diff --git a/tests/integrations/openai/test_openai.py b/tests/integrations/openai/test_openai.py
index cb1c033c5e..96866886ec 100644
--- a/tests/integrations/openai/test_openai.py
+++ b/tests/integrations/openai/test_openai.py
@@ -729,7 +729,7 @@ def test_completions_api_data_collection(
         integrations=[OpenAIIntegration()],
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
@@ -861,7 +861,7 @@ def test_completions_api_data_collection_outputs(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -977,7 +977,7 @@ async def test_completions_api_data_collection_outputs_async(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -1042,7 +1042,7 @@ def test_completions_api_data_collection_outputs_empty_choices(
         integrations=[OpenAIIntegration()],
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"gen_ai": {"outputs": True}}},
+        data_collection={"gen_ai": {"outputs": True}},
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
@@ -1130,7 +1130,7 @@ def test_streaming_chat_completion_data_collection_outputs(
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
         send_default_pii=False,
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
@@ -1246,7 +1246,7 @@ async def test_streaming_chat_completion_data_collection_outputs_async(
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
         send_default_pii=False,
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
@@ -3585,7 +3585,7 @@ def test_embeddings_create_data_collection(
 
     sentry_init_kwargs = dict(init_kwargs)
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -3652,7 +3652,7 @@ def test_embeddings_create_data_collection_inputs_disabled_input_shapes(
         send_default_pii=True,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": {"gen_ai": {"inputs": False}}},
+        data_collection={"gen_ai": {"inputs": False}},
     )
 
     client = OpenAI(api_key="z")
@@ -3982,7 +3982,7 @@ async def test_embeddings_create_async_data_collection(
 
     sentry_init_kwargs = dict(init_kwargs)
     if data_collection is not None:
-        sentry_init_kwargs["_experiments"] = {"data_collection": data_collection}
+        sentry_init_kwargs["data_collection"] = data_collection
 
     sentry_init(**sentry_init_kwargs)
 
@@ -5841,7 +5841,7 @@ def test_responses_api_data_collection(
         integrations=[OpenAIIntegration(include_prompts=include_prompts)],
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
@@ -6034,7 +6034,7 @@ def test_responses_api_data_collection_outputs(
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -6133,7 +6133,7 @@ def test_responses_api_data_collection_outputs_shapes(
         integrations=[OpenAIIntegration()],
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"gen_ai": {"outputs": True}}},
+        data_collection={"gen_ai": {"outputs": True}},
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
@@ -6201,7 +6201,7 @@ def test_streaming_responses_api_data_collection_outputs(
         disabled_integrations=[StdlibIntegration],
         traces_sample_rate=1.0,
         send_default_pii=False,
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
     )
diff --git a/tests/integrations/openai_agents/test_openai_agents.py b/tests/integrations/openai_agents/test_openai_agents.py
index 470af4a071..8bc49a2c9f 100644
--- a/tests/integrations/openai_agents/test_openai_agents.py
+++ b/tests/integrations/openai_agents/test_openai_agents.py
@@ -704,24 +704,24 @@ async def test_agent_invocation_span_no_pii(
     "init_kwargs,expect_messages",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {"gen_ai": {"inputs": True}}}},
+            {"data_collection": {"gen_ai": {"inputs": True}}},
             True,
             id="gen_ai_inputs_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"gen_ai": {"inputs": False}}}},
+            {"data_collection": {"gen_ai": {"inputs": False}}},
             False,
             id="gen_ai_inputs_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             True,
             id="data_collection_defaults_to_enabled",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {"data_collection": {"gen_ai": {"inputs": False}}},
+                "data_collection": {"gen_ai": {"inputs": False}},
             },
             False,
             id="data_collection_wins_over_send_default_pii_true",
@@ -729,7 +729,7 @@ async def test_agent_invocation_span_no_pii(
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"gen_ai": {"inputs": True}}},
+                "data_collection": {"gen_ai": {"inputs": True}},
             },
             True,
             id="data_collection_wins_over_send_default_pii_false",
@@ -882,24 +882,24 @@ async def test_invoke_agent_span_data_collection_inputs(
     "init_kwargs,expect_response_text",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {"gen_ai": {"outputs": True}}}},
+            {"data_collection": {"gen_ai": {"outputs": True}}},
             True,
             id="gen_ai_outputs_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"gen_ai": {"outputs": False}}}},
+            {"data_collection": {"gen_ai": {"outputs": False}}},
             False,
             id="gen_ai_outputs_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             True,
             id="data_collection_defaults_to_enabled",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {"data_collection": {"gen_ai": {"outputs": False}}},
+                "data_collection": {"gen_ai": {"outputs": False}},
             },
             False,
             id="data_collection_wins_over_send_default_pii_true",
@@ -907,7 +907,7 @@ async def test_invoke_agent_span_data_collection_inputs(
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"gen_ai": {"outputs": True}}},
+                "data_collection": {"gen_ai": {"outputs": True}},
             },
             True,
             id="data_collection_wins_over_send_default_pii_false",
@@ -1120,7 +1120,7 @@ async def test_data_collection_inputs(
         init_kwargs["disabled_integrations"] = [StdlibIntegration]
         init_kwargs["trace_lifecycle"] = "stream"
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     with patch.object(
         agent.model._client._client,
@@ -1278,7 +1278,7 @@ async def test_data_collection_outputs(
         init_kwargs["disabled_integrations"] = [StdlibIntegration]
         init_kwargs["trace_lifecycle"] = "stream"
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     with patch.object(
         agent_with_tool.model._client._client,
@@ -3890,7 +3890,7 @@ async def test_tool_execution_span_data_collection(
 ):
     init_kwargs = {"send_default_pii": send_default_pii}
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     _, tool_span_data = await run_tool_agent(
         simple_test_tool,
@@ -3925,7 +3925,7 @@ def failing_tool(message: str) -> str:
     tool_span, tool_span_data = await run_tool_agent(
         failing_tool,
         span_streaming,
-        _experiments={"data_collection": {"gen_ai": {"outputs": False}}},
+        data_collection={"gen_ai": {"outputs": False}},
     )
 
     assert tool_span_data[SPANDATA.GEN_AI_TOOL_NAME] == "failing_tool"
@@ -3948,9 +3948,7 @@ async def test_tool_execution_span_non_pii_data_always_set(
         simple_test_tool,
         span_streaming,
         run_kwargs={"conversation_id": "conv_tool_test_456"},
-        _experiments={
-            "data_collection": {"gen_ai": {"inputs": False, "outputs": False}}
-        },
+        data_collection={"gen_ai": {"inputs": False, "outputs": False}},
     )
 
     assert tool_span_data[SPANDATA.GEN_AI_TOOL_NAME] == "simple_test_tool"
diff --git a/tests/integrations/pydantic_ai/test_pydantic_ai.py b/tests/integrations/pydantic_ai/test_pydantic_ai.py
index 26d2734b78..e100e62671 100644
--- a/tests/integrations/pydantic_ai/test_pydantic_ai.py
+++ b/tests/integrations/pydantic_ai/test_pydantic_ai.py
@@ -4499,7 +4499,7 @@ async def test_data_collection_gen_ai_inputs_gates_request_messages_tool_inputs_
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -4639,7 +4639,7 @@ async def test_data_collection_gen_ai_outputs_gates_response_text_and_tool_outpu
         "trace_lifecycle": "stream" if span_streaming else "static",
     }
     if data_collection is not None:
-        init_kwargs["_experiments"] = {"data_collection": data_collection}
+        init_kwargs["data_collection"] = data_collection
 
     sentry_init(**init_kwargs)
 
@@ -4755,7 +4755,7 @@ async def test_data_collection_gen_ai_output_message_parts_follow_outputs_gate(
         traces_sample_rate=1.0,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": {"gen_ai": gen_ai}},
+        data_collection={"gen_ai": gen_ai},
     )
 
     test_agent = get_test_agent()
@@ -4830,9 +4830,7 @@ async def test_data_collection_gen_ai_request_messages_keep_tool_returns_when_ou
         traces_sample_rate=1.0,
         stream_gen_ai_spans=stream_gen_ai_spans,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={
-            "data_collection": {"gen_ai": {"inputs": True, "outputs": False}}
-        },
+        data_collection={"gen_ai": {"inputs": True, "outputs": False}},
     )
 
     test_agent = get_test_agent()
diff --git a/tests/integrations/pymongo/test_pymongo.py b/tests/integrations/pymongo/test_pymongo.py
index 5bf6bb4e2c..9e296982f5 100644
--- a/tests/integrations/pymongo/test_pymongo.py
+++ b/tests/integrations/pymongo/test_pymongo.py
@@ -112,24 +112,24 @@ def test_transactions(sentry_init, capture_events, mongo_server, with_pii):
 
 DATA_COLLECTION_DATABASE_QUERY_DATA_USE_CASES = [
     pytest.param(
-        {"_experiments": {"data_collection": {"database_query_data": True}}},
+        {"data_collection": {"database_query_data": True}},
         True,
         id="query_data_enabled",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"database_query_data": False}}},
+        {"data_collection": {"database_query_data": False}},
         False,
         id="query_data_disabled",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         True,
         id="query_data_default",
     ),
     pytest.param(
         {
             "send_default_pii": False,
-            "_experiments": {"data_collection": {"database_query_data": True}},
+            "data_collection": {"database_query_data": True},
         },
         True,
         id="data_collection_overrides_pii_off",
@@ -137,7 +137,7 @@ def test_transactions(sentry_init, capture_events, mongo_server, with_pii):
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"database_query_data": False}},
+            "data_collection": {"database_query_data": False},
         },
         False,
         id="data_collection_overrides_pii_on",
diff --git a/tests/integrations/pyramid/test_pyramid.py b/tests/integrations/pyramid/test_pyramid.py
index 0f90143600..4c80298e44 100644
--- a/tests/integrations/pyramid/test_pyramid.py
+++ b/tests/integrations/pyramid/test_pyramid.py
@@ -683,7 +683,7 @@ def test_request_body_data_collection(
 ):
     sentry_init(
         integrations=[PyramidIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     data = {"foo": "bar"}
@@ -712,7 +712,7 @@ def test_request_body_dropped_with_form_and_files_data_collection(
     sentry_init(
         integrations=[PyramidIntegration()],
         max_request_body_size="always",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     data = {
@@ -742,7 +742,7 @@ def test_transaction_request_body_data_collection(
     sentry_init(
         integrations=[PyramidIntegration()],
         traces_sample_rate=1.0,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     data = {"username": "sentry-user", "age": "26"}
@@ -773,7 +773,7 @@ def test_oversized_request_body_not_annotated_data_collection(
     sentry_init(
         integrations=[PyramidIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     data = "a" * 2000
diff --git a/tests/integrations/pyreqwest/test_pyreqwest.py b/tests/integrations/pyreqwest/test_pyreqwest.py
index 74c67ff66e..9c70aa9896 100644
--- a/tests/integrations/pyreqwest/test_pyreqwest.py
+++ b/tests/integrations/pyreqwest/test_pyreqwest.py
@@ -1223,16 +1223,14 @@ def test_crumb_capture_client_error_span_streaming(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -1240,10 +1238,8 @@ def test_crumb_capture_client_error_span_streaming(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -1251,30 +1247,22 @@ def test_crumb_capture_client_error_span_streaming(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -1334,16 +1322,14 @@ def test_url_query_data_collection_span_streaming_sync(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -1351,10 +1337,8 @@ def test_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -1362,30 +1346,22 @@ def test_url_query_data_collection_span_streaming_sync(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -1429,16 +1405,14 @@ async def test_url_query_data_collection_span_streaming_async(
     "init_kwargs, expected_suffix",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -1487,16 +1461,14 @@ def test_url_full_reassembly_span_streaming_sync(
     "init_kwargs, expected_suffix",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -1544,20 +1516,14 @@ async def test_url_full_reassembly_span_streaming_async(
     "init_kwargs, expected_suffix",
     [
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "#frag",
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             "#frag",
             id="data_collection_wins_over_send_default_pii",
@@ -1612,20 +1578,14 @@ def test_url_query_params_off_keeps_bare_url_span_streaming_sync(
     "init_kwargs, expected_suffix",
     [
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "#frag",
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             "#frag",
             id="data_collection_wins_over_send_default_pii",
@@ -1679,27 +1639,21 @@ async def test_url_query_params_off_keeps_bare_url_span_streaming_async(
     "init_kwargs, expected_query",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "",
             id="data_collection_off",
         ),
@@ -1749,27 +1703,21 @@ def test_crumb_url_query_data_collection_sync(
     "init_kwargs, expected_query",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "",
             id="data_collection_off",
         ),
@@ -1818,27 +1766,21 @@ async def test_crumb_url_query_data_collection_async(
     "init_kwargs, expected_query",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "",
             id="data_collection_off",
         ),
@@ -1884,27 +1826,21 @@ def test_crumb_url_query_data_collection_legacy_sync(
     "init_kwargs, expected_query",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             "",
             id="data_collection_off",
         ),
@@ -1959,7 +1895,7 @@ def test_omit_url_data_if_parsing_fails_span_streaming(
         integrations=[PyreqwestIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     items = capture_items("span")
diff --git a/tests/integrations/quart/test_quart.py b/tests/integrations/quart/test_quart.py
index 667b6d955a..d8e2a58f8e 100644
--- a/tests/integrations/quart/test_quart.py
+++ b/tests/integrations/quart/test_quart.py
@@ -936,7 +936,7 @@ async def test_span_streaming_request_attributes_with_pii(sentry_init, capture_i
         pytest.param(
             {
                 "send_default_pii": True,
-                "data_collection": None,
+                "data_collection": {},
             },
             {
                 "authorization": "[Filtered]",
@@ -948,7 +948,7 @@ async def test_span_streaming_request_attributes_with_pii(sentry_init, capture_i
         pytest.param(
             {
                 "send_default_pii": False,
-                "data_collection": None,
+                "data_collection": {},
             },
             {
                 "authorization": "[Filtered]",
@@ -1052,9 +1052,7 @@ async def test_span_streaming_sensitive_header_scrubbing(
         traces_sample_rate=1.0,
         send_default_pii=options["send_default_pii"],
         trace_lifecycle="stream",
-        _experiments={
-            "data_collection": options["data_collection"],
-        },
+        data_collection=options["data_collection"],
     )
     items = capture_items("span")
 
@@ -1172,24 +1170,24 @@ async def login():
 
 QUART_USER_INFO_CASES = [
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         True,
         id="dc_default_user_info",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": True}}},
+        {"data_collection": {"user_info": True}},
         True,
         id="dc_user_info_true",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": False}}},
+        {"data_collection": {"user_info": False}},
         False,
         id="dc_user_info_false",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"user_info": False}},
+            "data_collection": {"user_info": False},
         },
         False,
         id="dc_wins_over_pii",
@@ -1243,13 +1241,11 @@ async def test_span_streaming_quart_auth_user_id_data_collection(
 ):
     from quart_auth import AuthUser, login_user
 
-    kwargs = dict(init_kwargs)
     sentry_init(
         integrations=[quart_sentry.QuartIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=kwargs.pop("_experiments", {}),
-        **kwargs,
+        **init_kwargs,
     )
     items = capture_items("span")
 
@@ -1283,13 +1279,11 @@ async def login():
 async def test_span_streaming_request_attributes_data_collection(
     sentry_init, capture_items, init_kwargs, expect_user_info
 ):
-    kwargs = dict(init_kwargs)
     sentry_init(
         integrations=[quart_sentry.QuartIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=kwargs.pop("_experiments", {}),
-        **kwargs,
+        **init_kwargs,
     )
     items = capture_items("span")
 
@@ -1361,16 +1355,14 @@ async def test_span_streaming_sensitive_header_passthrough_with_pii_and_no_data_
         id="defaults",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         "toy=tennisball&color=red&auth=%5BFiltered%5D",
         id="data_collection_denylist_default",
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "denylist", "terms": ["toy"]}
             }
         },
         "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -1378,10 +1370,8 @@ async def test_span_streaming_sensitive_header_passthrough_with_pii_and_no_data_
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
             }
         },
         "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -1389,24 +1379,22 @@ async def test_span_streaming_sensitive_header_passthrough_with_pii_and_no_data_
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
             }
         },
         "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
         id="data_collection_allowlist_sensitive_term",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}}},
+        {"data_collection": {"url_query_params": {"mode": "off"}}},
         None,
         id="data_collection_off",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}},
+            "data_collection": {"url_query_params": {"mode": "off"}},
         },
         None,
         id="data_collection_wins_over_send_default_pii",
@@ -1421,14 +1409,11 @@ async def test_span_streaming_sensitive_header_passthrough_with_pii_and_no_data_
 async def test_span_streaming_url_query_data_collection(
     sentry_init, capture_items, init_kwargs, expected_query
 ):
-    kwargs = dict(init_kwargs)
-    experiments = kwargs.pop("_experiments", {})
     sentry_init(
         integrations=[quart_sentry.QuartIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments=experiments,
-        **kwargs,
+        **init_kwargs,
     )
     items = capture_items("span")
 
@@ -1444,7 +1429,7 @@ async def test_span_streaming_url_query_data_collection(
 
     segment = spans[0]
 
-    data_collection_enabled = "data_collection" in experiments
+    data_collection_enabled = "data_collection" in init_kwargs
     url_attrs_expected = data_collection_enabled or init_kwargs.get(
         "send_default_pii", False
     )
@@ -1472,7 +1457,7 @@ async def test_span_streaming_url_query_multi_and_blank_values(
         integrations=[quart_sentry.QuartIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
     items = capture_items("span")
 
diff --git a/tests/integrations/redis/test_redis.py b/tests/integrations/redis/test_redis.py
index 629f305ac3..cea9b51e19 100644
--- a/tests/integrations/redis/test_redis.py
+++ b/tests/integrations/redis/test_redis.py
@@ -138,7 +138,7 @@ def test_redis_pipeline_data_collection(
         integrations=[RedisIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     connection = FakeStrictRedis()
@@ -293,7 +293,7 @@ def test_data_collection_database_query_data(
         integrations=[RedisIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     connection = FakeStrictRedis()
@@ -349,7 +349,7 @@ def test_database_query_data_takes_precedence_over_send_default_pii(
         traces_sample_rate=1.0,
         send_default_pii=send_default_pii,
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     connection = FakeStrictRedis()
diff --git a/tests/integrations/sanic/test_sanic.py b/tests/integrations/sanic/test_sanic.py
index 0c84f63044..2d97a0ea12 100644
--- a/tests/integrations/sanic/test_sanic.py
+++ b/tests/integrations/sanic/test_sanic.py
@@ -661,16 +661,14 @@ def test_client_address_span_attribute_data_collection(
         id="defaults",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         "toy=tennisball&color=red&auth=%5BFiltered%5D",
         id="data_collection_denylist_default",
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "denylist", "terms": ["toy"]}
             }
         },
         "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -678,10 +676,8 @@ def test_client_address_span_attribute_data_collection(
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
             }
         },
         "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -689,24 +685,22 @@ def test_client_address_span_attribute_data_collection(
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
             }
         },
         "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
         id="data_collection_allowlist_sensitive_term",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}}},
+        {"data_collection": {"url_query_params": {"mode": "off"}}},
         None,
         id="data_collection_off",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}},
+            "data_collection": {"url_query_params": {"mode": "off"}},
         },
         None,
         id="data_collection_wins_over_send_default_pii",
@@ -723,13 +717,10 @@ def test_client_address_span_attribute_data_collection(
 def test_url_query_data_collection_span_streaming(
     sentry_init, app, capture_items, init_kwargs, expected_query
 ):
-    init_kwargs = dict(init_kwargs)
-    experiments = dict(init_kwargs.pop("_experiments", {}))
-    experiments["trace_lifecycle"] = "stream"
     sentry_init(
         integrations=[SanicIntegration()],
         traces_sample_rate=1.0,
-        _experiments=experiments,
+        _experiments={"trace_lifecycle": "stream"},
         **init_kwargs,
     )
 
@@ -749,7 +740,7 @@ def test_url_query_data_collection_span_streaming(
         and i.payload["is_segment"]
     ]
 
-    data_collection_enabled = "data_collection" in experiments
+    data_collection_enabled = "data_collection" in init_kwargs
     url_attrs_expected = data_collection_enabled or init_kwargs.get(
         "send_default_pii", False
     )
@@ -789,7 +780,7 @@ def test_url_query_data_collection_event_processor(
 
     assert event["request"]["url"].endswith("/message")
     assert event["request"]["method"] == "GET"
-    if "data_collection" not in init_kwargs.get("_experiments", {}):
+    if "data_collection" not in init_kwargs:
         assert (
             event["request"]["query_string"] == "toy=tennisball&color=red&auth=secret"
         )
@@ -823,7 +814,7 @@ def test_request_body_data_collection_event_processor(
 ):
     sentry_init(
         integrations=[SanicIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     data = {"hey": 42}
@@ -858,7 +849,7 @@ def test_oversized_request_body_not_annotated_data_collection(
     sentry_init(
         integrations=[SanicIntegration()],
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     @app.route("/oversized", methods=["POST"])
diff --git a/tests/integrations/starlette/test_starlette.py b/tests/integrations/starlette/test_starlette.py
index 70b3940552..585cf4d541 100644
--- a/tests/integrations/starlette/test_starlette.py
+++ b/tests/integrations/starlette/test_starlette.py
@@ -520,7 +520,7 @@ async def test_formdata_request_body_data_collection_http_bodies_empty(
         max_request_body_size="always",
         integrations=[StarletteIntegration()],
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     starlette_app = starlette_app_factory()
@@ -580,9 +580,7 @@ async def test_request_body_data_collection(
         traces_sample_rate=1.0,
         integrations=[StarletteIntegration()],
         trace_lifecycle="stream" if span_streaming else "static",
-        _experiments=(
-            {} if data_collection is None else {"data_collection": data_collection}
-        ),
+        data_collection=data_collection,
     )
 
     starlette_app = starlette_app_factory()
@@ -676,12 +674,12 @@ async def test_request_info_no_pii(sentry_init, capture_events):
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "off"}}}},
+            {"data_collection": {"cookies": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}}},
+            {"data_collection": {"cookies": {"mode": "denylist"}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -691,13 +689,7 @@ async def test_request_info_no_pii(sentry_init, capture_events):
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "denylist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "denylist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": SENSITIVE_DATA_SUBSTITUTE,
@@ -707,13 +699,7 @@ async def test_request_info_no_pii(sentry_init, capture_events):
             id="data_collection_denylist_custom_terms",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "allowlist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -724,10 +710,8 @@ async def test_request_info_no_pii(sentry_init, capture_events):
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["identity"]}
-                    }
+                "data_collection": {
+                    "cookies": {"mode": "allowlist", "terms": ["identity"]}
                 }
             },
             {
@@ -741,7 +725,7 @@ async def test_request_info_no_pii(sentry_init, capture_events):
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}},
+                "data_collection": {"cookies": {"mode": "denylist"}},
             },
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
@@ -787,27 +771,21 @@ async def test_cookie_data_collection(
             id="legacy_send_default_pii_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -848,17 +826,13 @@ def test_query_string_data_collection(
             id="legacy_send_default_pii_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             "http://testserver/message?toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             "http://testserver/message",
             id="data_collection_off",
@@ -918,24 +892,24 @@ def test_span_http_query_data_collection(
         id="legacy_send_default_pii_false",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         TESTCLIENT_IP,
         id="data_collection_default_user_info_true",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": True}}},
+        {"data_collection": {"user_info": True}},
         TESTCLIENT_IP,
         id="data_collection_user_info_true",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": False}}},
+        {"data_collection": {"user_info": False}},
         NO_USER_INFO,
         id="data_collection_user_info_false",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"user_info": False}},
+            "data_collection": {"user_info": False},
         },
         NO_USER_INFO,
         id="data_collection_wins_over_send_default_pii",
@@ -1114,24 +1088,24 @@ def test_catch_exceptions(
     pytest.param({"send_default_pii": True}, True, id="legacy_pii_true"),
     pytest.param({"send_default_pii": False}, False, id="legacy_pii_false"),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         True,
         id="dc_default_user_info",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": True}}},
+        {"data_collection": {"user_info": True}},
         True,
         id="dc_user_info_true",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": False}}},
+        {"data_collection": {"user_info": False}},
         False,
         id="dc_user_info_false",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"user_info": False}},
+            "data_collection": {"user_info": False},
         },
         False,
         id="dc_wins_over_pii",
diff --git a/tests/integrations/starlite/test_starlite.py b/tests/integrations/starlite/test_starlite.py
index 5c39c897d1..cb659faf15 100644
--- a/tests/integrations/starlite/test_starlite.py
+++ b/tests/integrations/starlite/test_starlite.py
@@ -586,9 +586,7 @@ def test_request_body_data_collection(
     sentry_init(
         traces_sample_rate=1.0,
         integrations=[StarliteIntegration()],
-        _experiments=(
-            {} if data_collection is None else {"data_collection": data_collection}
-        ),
+        data_collection=data_collection,
     )
 
     starlite_app = starlite_app_factory()
@@ -616,7 +614,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
         traces_sample_rate=1.0,
         integrations=[StarliteIntegration()],
         send_default_pii=True,
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     starlite_app = starlite_app_factory()
@@ -655,12 +653,12 @@ def test_request_body_data_collection_wins_over_send_default_pii(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "off"}}}},
+            {"data_collection": {"cookies": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}}},
+            {"data_collection": {"cookies": {"mode": "denylist"}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -670,13 +668,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "denylist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "denylist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": SENSITIVE_DATA_SUBSTITUTE,
@@ -686,13 +678,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
             id="data_collection_denylist_custom_terms",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "allowlist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -703,10 +689,8 @@ def test_request_body_data_collection_wins_over_send_default_pii(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["identity"]}
-                    }
+                "data_collection": {
+                    "cookies": {"mode": "allowlist", "terms": ["identity"]}
                 }
             },
             {
@@ -720,7 +704,7 @@ def test_request_body_data_collection_wins_over_send_default_pii(
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}},
+                "data_collection": {"cookies": {"mode": "denylist"}},
             },
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
diff --git a/tests/integrations/stdlib/test_httplib.py b/tests/integrations/stdlib/test_httplib.py
index 2da3a1a17e..db9c94bc51 100644
--- a/tests/integrations/stdlib/test_httplib.py
+++ b/tests/integrations/stdlib/test_httplib.py
@@ -1495,16 +1495,14 @@ def test_chunked_response_span_covers_body_read(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -1512,10 +1510,8 @@ def test_chunked_response_span_covers_body_read(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -1523,30 +1519,22 @@ def test_chunked_response_span_covers_body_read(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
                 }
             },
             "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist_sensitive_term",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
             {
                 "send_default_pii": True,
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                },
+                "data_collection": {"url_query_params": {"mode": "off"}},
             },
             None,
             id="data_collection_wins_over_send_default_pii",
@@ -1590,16 +1578,14 @@ def test_url_query_data_collection_span_streaming(
     "init_kwargs, expected_suffix",
     [
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "?toy=tennisball&color=red&auth=%5BFiltered%5D#frag",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "?toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D#frag",
@@ -1659,17 +1645,13 @@ def test_url_full_reassembly_span_streaming(
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             True,
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             True,
             id="data_collection_off",
diff --git a/tests/integrations/strawberry/test_strawberry.py b/tests/integrations/strawberry/test_strawberry.py
index 69f45fd4b1..f9f652fd15 100644
--- a/tests/integrations/strawberry/test_strawberry.py
+++ b/tests/integrations/strawberry/test_strawberry.py
@@ -311,7 +311,7 @@ def test_event_processor_data_collection(
     init_kwargs = {
         "integrations": [StrawberryIntegration(async_execution=async_execution)]
         + framework_integrations,
-        "_experiments": {"data_collection": data_collection},
+        "data_collection": data_collection,
     }
     if send_default_pii is not None:
         init_kwargs["send_default_pii"] = send_default_pii
@@ -376,7 +376,7 @@ def test_response_data_collection(
     sentry_init(
         integrations=[StrawberryIntegration(async_execution=async_execution)]
         + framework_integrations,
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
     events = capture_events()
 
@@ -439,7 +439,7 @@ def test_request_data_collection_no_framework(
     # the integration's public event-processing path
     sentry_init(
         integrations=[StrawberryIntegration()],
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
     events = capture_events()
 
@@ -479,9 +479,7 @@ def test_request_data_collection_no_framework(
 def test_request_data_collection_no_variables(sentry_init, capture_events):
     sentry_init(
         integrations=[StrawberryIntegration()],
-        _experiments={
-            "data_collection": {"graphql": {"document": True, "variables": True}}
-        },
+        data_collection={"graphql": {"document": True, "variables": True}},
     )
     events = capture_events()
 
@@ -1139,7 +1137,7 @@ def test_graphql_span_data_collection(
         + framework_integrations,
         "traces_sample_rate": 1,
         "trace_lifecycle": "stream" if span_streaming else "static",
-        "_experiments": {"data_collection": data_collection},
+        "data_collection": data_collection,
     }
     if send_default_pii is not None:
         init_kwargs["send_default_pii"] = send_default_pii
@@ -1234,9 +1232,7 @@ def test_handle_none_query_gracefully_with_data_collection(
             StrawberryIntegration(async_execution=async_execution),
         ]
         + framework_integrations,
-        _experiments={
-            "data_collection": {"graphql": {"document": True, "variables": True}}
-        },
+        data_collection={"graphql": {"document": True, "variables": True}},
     )
     events = capture_events()
 
diff --git a/tests/integrations/tornado/test_tornado.py b/tests/integrations/tornado/test_tornado.py
index 063e14b1e5..e995e3e2be 100644
--- a/tests/integrations/tornado/test_tornado.py
+++ b/tests/integrations/tornado/test_tornado.py
@@ -148,12 +148,12 @@ def test_basic(tornado_testcase, sentry_init, capture_events):
             id="defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "off"}}}},
+            {"data_collection": {"cookies": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}}},
+            {"data_collection": {"cookies": {"mode": "denylist"}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -163,13 +163,7 @@ def test_basic(tornado_testcase, sentry_init, capture_events):
             id="data_collection_denylist_default",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "denylist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "denylist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": SENSITIVE_DATA_SUBSTITUTE,
@@ -179,13 +173,7 @@ def test_basic(tornado_testcase, sentry_init, capture_events):
             id="data_collection_denylist_custom_terms",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["theme"]}
-                    }
-                }
-            },
+            {"data_collection": {"cookies": {"mode": "allowlist", "terms": ["theme"]}}},
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
                 "theme": "dark",
@@ -196,10 +184,8 @@ def test_basic(tornado_testcase, sentry_init, capture_events):
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "allowlist", "terms": ["identity"]}
-                    }
+                "data_collection": {
+                    "cookies": {"mode": "allowlist", "terms": ["identity"]}
                 }
             },
             {
@@ -213,7 +199,7 @@ def test_basic(tornado_testcase, sentry_init, capture_events):
         pytest.param(
             {
                 "send_default_pii": False,
-                "_experiments": {"data_collection": {"cookies": {"mode": "denylist"}}},
+                "data_collection": {"cookies": {"mode": "denylist"}},
             },
             {
                 "jwt": SENSITIVE_DATA_SUBSTITUTE,
@@ -264,16 +250,14 @@ async def get(self):
         id="defaults",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         "toy=tennisball&color=red&auth=%5BFiltered%5D",
         id="data_collection_denylist_default",
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "denylist", "terms": ["toy"]}
             }
         },
         "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -281,10 +265,8 @@ async def get(self):
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
             }
         },
         "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
@@ -292,24 +274,22 @@ async def get(self):
     ),
     pytest.param(
         {
-            "_experiments": {
-                "data_collection": {
-                    "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
-                }
+            "data_collection": {
+                "url_query_params": {"mode": "allowlist", "terms": ["auth"]}
             }
         },
         "toy=%5BFiltered%5D&color=%5BFiltered%5D&auth=%5BFiltered%5D",
         id="data_collection_allowlist_sensitive_term",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}}},
+        {"data_collection": {"url_query_params": {"mode": "off"}}},
         None,
         id="data_collection_off",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"url_query_params": {"mode": "off"}}},
+            "data_collection": {"url_query_params": {"mode": "off"}},
         },
         None,
         id="data_collection_wins_over_send_default_pii",
@@ -341,7 +321,7 @@ def test_url_query_data_collection_span_streaming(
 
     (server_span,) = [item.payload for item in items]
 
-    data_collection_enabled = "data_collection" in init_kwargs.get("_experiments", {})
+    data_collection_enabled = "data_collection" in init_kwargs
     url_attrs_expected = data_collection_enabled or init_kwargs.get(
         "send_default_pii", False
     )
@@ -386,7 +366,7 @@ def test_url_query_data_collection_event_processor(
 
     assert event["request"]["url"].endswith("/hi")
     assert event["request"]["method"] == "GET"
-    if "data_collection" not in init_kwargs.get("_experiments", {}):
+    if "data_collection" not in init_kwargs:
         assert (
             event["request"]["query_string"] == "toy=tennisball&color=red&auth=secret"
         )
@@ -403,7 +383,7 @@ def test_url_query_data_collection_no_query_string(
         integrations=[TornadoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     items = capture_items("span")
@@ -428,7 +408,7 @@ def test_url_query_data_collection_repeated_and_blank_params(
         integrations=[TornadoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     items = capture_items("span")
@@ -451,7 +431,7 @@ def test_url_query_data_collection__event_processor_no_query_string(
         integrations=[TornadoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="static",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     events = capture_events()
@@ -476,7 +456,7 @@ def test_url_query_data_collection_event_processor_repeated_and_blank_params(
         integrations=[TornadoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="static",
-        _experiments={"data_collection": {}},
+        data_collection={},
     )
 
     events = capture_events()
@@ -518,7 +498,7 @@ def test_request_body_data_collection_span_streaming(
         integrations=[TornadoIntegration()],
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     items = capture_items("span")
@@ -562,7 +542,7 @@ def test_request_body_data_collection_event_processor(
     sentry_init(
         integrations=[TornadoIntegration()],
         trace_lifecycle="static",
-        _experiments={"data_collection": data_collection},
+        data_collection=data_collection,
     )
 
     events = capture_events()
@@ -599,7 +579,7 @@ def test_oversized_request_body_not_annotated_data_collection_span_streaming(
         traces_sample_rate=1.0,
         trace_lifecycle="stream",
         max_request_body_size="small",
-        _experiments={"data_collection": {"http_bodies": []}},
+        data_collection={"http_bodies": []},
     )
 
     items = capture_items("span")
diff --git a/tests/integrations/utils.py b/tests/integrations/utils.py
index 8980c4f80c..2f0cbbaff7 100644
--- a/tests/integrations/utils.py
+++ b/tests/integrations/utils.py
@@ -12,19 +12,19 @@
         {"send_default_pii": False}, False, id="legacy_send_default_pii_false"
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": True}}},
+        {"data_collection": {"user_info": True}},
         True,
         id="data_collection_user_info_true",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": False}}},
+        {"data_collection": {"user_info": False}},
         False,
         id="data_collection_user_info_false",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"user_info": False}},
+            "data_collection": {"user_info": False},
         },
         False,
         id="data_collection_wins_over_send_default_pii_true",
@@ -32,7 +32,7 @@
     pytest.param(
         {
             "send_default_pii": False,
-            "_experiments": {"data_collection": {"user_info": True}},
+            "data_collection": {"user_info": True},
         },
         True,
         id="data_collection_wins_over_send_default_pii_false",
@@ -48,23 +48,21 @@
     pytest.param({}, True, id="defaults"),
     pytest.param({"send_default_pii": True}, True, id="send_default_pii_true"),
     pytest.param({"send_default_pii": False}, True, id="send_default_pii_false"),
+    pytest.param({"data_collection": {}}, True, id="data_collection_default"),
     pytest.param(
-        {"_experiments": {"data_collection": {}}}, True, id="data_collection_default"
-    ),
-    pytest.param(
-        {"_experiments": {"data_collection": {"user_info": True}}},
+        {"data_collection": {"user_info": True}},
         True,
         id="data_collection_user_info_true",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"user_info": False}}},
+        {"data_collection": {"user_info": False}},
         False,
         id="data_collection_user_info_false",
     ),
     pytest.param(
         {
             "send_default_pii": True,
-            "_experiments": {"data_collection": {"user_info": False}},
+            "data_collection": {"user_info": False},
         },
         False,
         id="data_collection_wins_over_send_default_pii",
@@ -72,25 +70,25 @@
 ]
 
 # Shared parametrization test matrix exercising the interaction between the
-# ``data_collection.queues`` experiment and the legacy ``send_default_pii`` boolean
+# ``data_collection.queues`` setting and the legacy ``send_default_pii`` boolean
 # for job/task args and kwargs collected by queue integrations (rq, arq, huey).
 # Each case is ``(init_kwargs, expected_args, expected_kwargs)`` where ``None`` for
 # the expected values means args/kwargs are not collected at all.
 DATA_COLLECTION_QUEUES_CASES = [
     pytest.param(
-        {"_experiments": {"data_collection": {}}},
+        {"data_collection": {}},
         [1],
         {"b": 0},
         id="data_collection_default",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"queues": True}}},
+        {"data_collection": {"queues": True}},
         [1],
         {"b": 0},
         id="data_collection_queues_on",
     ),
     pytest.param(
-        {"_experiments": {"data_collection": {"queues": False}}},
+        {"data_collection": {"queues": False}},
         None,
         None,
         id="data_collection_queues_off",
@@ -103,7 +101,7 @@
     ),
     pytest.param(
         {
-            "_experiments": {"data_collection": {"queues": False}},
+            "data_collection": {"queues": False},
             "send_default_pii": False,
         },
         None,
@@ -112,7 +110,7 @@
     ),
     pytest.param(
         {
-            "_experiments": {"data_collection": {"queues": True}},
+            "data_collection": {"queues": True},
             "send_default_pii": False,
         },
         [1],
diff --git a/tests/integrations/wsgi/test_wsgi.py b/tests/integrations/wsgi/test_wsgi.py
index 27c1c29b11..6fbd0a8d7f 100644
--- a/tests/integrations/wsgi/test_wsgi.py
+++ b/tests/integrations/wsgi/test_wsgi.py
@@ -835,7 +835,7 @@ def test_request_headers_data_collection_default_redacts_sensitive(
     sentry_init, crashing_app, capture_events, send_default_pii
 ):
     """
-    When ``data_collection`` is configured (even as ``None``, i.e. spec
+    When ``data_collection`` is configured (here as ``{}``, i.e. spec
     defaults), the WSGI event processor routes request headers through the
     data-collection filtering path. Sensitive headers are redacted regardless
     of ``send_default_pii`` -- the value of that legacy option must not change
@@ -843,7 +843,7 @@ def test_request_headers_data_collection_default_redacts_sensitive(
     """
     sentry_init(
         send_default_pii=send_default_pii,
-        _experiments={"data_collection": None},
+        data_collection={},
     )
     app = SentryWsgiMiddleware(crashing_app)
     client = Client(app)
@@ -914,9 +914,7 @@ def test_request_headers_data_collection_off_collects_no_headers(
     collected at all -- the filtering returns an empty mapping.
     """
     sentry_init(
-        _experiments={
-            "data_collection": {"http_headers": {"request": {"mode": "off"}}}
-        },
+        data_collection={"http_headers": {"request": {"mode": "off"}}},
     )
     app = SentryWsgiMiddleware(crashing_app)
     client = Client(app)
@@ -945,10 +943,8 @@ def test_request_headers_data_collection_allowlist_redacts_all_but_allowed_terms
     is redacted.
     """
     sentry_init(
-        _experiments={
-            "data_collection": {
-                "http_headers": {"request": {"mode": "allowlist", "terms": ["custom"]}}
-            }
+        data_collection={
+            "http_headers": {"request": {"mode": "allowlist", "terms": ["custom"]}}
         },
     )
     app = SentryWsgiMiddleware(crashing_app)
@@ -980,10 +976,8 @@ def test_request_headers_data_collection_denylist_redacts_only_matched_terms(
     matching a configured term (partial, case-insensitive).
     """
     sentry_init(
-        _experiments={
-            "data_collection": {
-                "http_headers": {"request": {"mode": "denylist", "terms": ["custom"]}}
-            }
+        data_collection={
+            "http_headers": {"request": {"mode": "denylist", "terms": ["custom"]}}
         },
     )
     app = SentryWsgiMiddleware(crashing_app)
@@ -1020,11 +1014,9 @@ def test_request_headers_data_collection_cookie_always_redacted(
     ``Client`` manages its own cookie jar and strips the ``Cookie`` header.
     """
     sentry_init(
-        _experiments={
-            "data_collection": {
-                "http_headers": {
-                    "request": {"mode": "allowlist", "terms": ["cookie", "custom"]}
-                }
+        data_collection={
+            "http_headers": {
+                "request": {"mode": "allowlist", "terms": ["cookie", "custom"]}
             }
         },
     )
@@ -1103,16 +1095,14 @@ def test_request_headers_legacy_pii_passes_headers_through(
         # data_collection configured: query string is routed through filtering.
         # Spec defaults -> denylist: only the sensitive ``auth`` is redacted.
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -1122,21 +1112,15 @@ def test_request_headers_legacy_pii_passes_headers_through(
         # it is not sensitive, proving the redaction comes from the allowlist.
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -1183,16 +1167,14 @@ def test_query_string_data_collection(
         ),
         # data_collection configured: attribute is routed through filtering.
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             "toy=tennisball&color=red&auth=%5BFiltered%5D",
             id="data_collection_denylist_default",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "denylist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "denylist", "terms": ["toy"]}
                 }
             },
             "toy=%5BFiltered%5D&color=red&auth=%5BFiltered%5D",
@@ -1202,21 +1184,15 @@ def test_query_string_data_collection(
         # it is not sensitive, proving the redaction comes from the allowlist.
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
-                    }
+                "data_collection": {
+                    "url_query_params": {"mode": "allowlist", "terms": ["toy"]}
                 }
             },
             "toy=tennisball&color=%5BFiltered%5D&auth=%5BFiltered%5D",
             id="data_collection_allowlist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"url_query_params": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"url_query_params": {"mode": "off"}}},
             None,
             id="data_collection_off",
         ),
@@ -1346,7 +1322,7 @@ def test_user_info_error_event_data_collection(
 def test_error_event_no_user_ip_address_without_remote_addr(
     sentry_init, crashing_app, capture_events
 ):
-    sentry_init(_experiments={"data_collection": {"user_info": True}})
+    sentry_init(data_collection={"user_info": True})
     app = SentryWsgiMiddleware(crashing_app)
     client = Client(app)
     events = capture_events()
diff --git a/tests/test_data_collection.py b/tests/test_data_collection.py
index 0d1525de47..6cf3b67ac0 100644
--- a/tests/test_data_collection.py
+++ b/tests/test_data_collection.py
@@ -9,16 +9,12 @@
 
 def test_kvcb_invalid_mode():
     with pytest.raises(ValueError):
-        sentry_sdk.init(_experiments={"data_collection": {"cookies": {"mode": "nope"}}})  # type: ignore Purposely ignoring to test invalid option
+        sentry_sdk.init(data_collection={"cookies": {"mode": "nope"}})  # type: ignore Purposely ignoring to test invalid option
 
 
 def test_stack_frame_variables_invalid_mode():
     with pytest.raises(ValueError):
-        sentry_sdk.init(
-            _experiments={
-                "data_collection": {"stack_frame_variables": {"mode": "nope"}}
-            }
-        )
+        sentry_sdk.init(data_collection={"stack_frame_variables": {"mode": "nope"}})
 
 
 @pytest.mark.parametrize(
@@ -33,17 +29,11 @@ def test_stack_frame_variables_invalid_mode():
 )
 def test_frame_context_lines_invalid_value(value):
     with pytest.raises(ValueError):
-        sentry_sdk.init(
-            _experiments={"data_collection": {"frame_context_lines": value}}
-        )
+        sentry_sdk.init(data_collection={"frame_context_lines": value})
 
 
 def test_kvcb_from_dict_defaults_mode():
-    sentry_sdk.init(
-        _experiments={
-            "data_collection": {"cookies": {"mode": "denylist", "terms": ["x"]}}
-        }
-    )
+    sentry_sdk.init(data_collection={"cookies": {"mode": "denylist", "terms": ["x"]}})
     client = sentry_sdk.get_client()
     assert client.options["data_collection"]["cookies"] == {
         "mode": "denylist",
@@ -54,13 +44,13 @@ def test_kvcb_from_dict_defaults_mode():
 def test_http_headers_collection_defaults():
     default_terms = ["forwarded", "-ip", "remote-", "via", "-user"]
 
-    sentry_sdk.init(_experiments={"data_collection": {"http_headers": {}}})  # type: ignore Purposely ignoring to test invalid option
+    sentry_sdk.init(data_collection={"http_headers": {}})  # type: ignore Purposely ignoring to test invalid option
     client = sentry_sdk.get_client()
     assert client.options["data_collection"]["http_headers"]["request"] == {
         "mode": "denylist"
     }
 
-    sentry_sdk.init(_experiments={"data_collection": {"http_headers": "off"}})  # type: ignore Purposely ignoring to test invalid option
+    sentry_sdk.init(data_collection={"http_headers": "off"})  # type: ignore Purposely ignoring to test invalid option
     client = sentry_sdk.get_client()
     assert client.options["data_collection"]["http_headers"]["request"] == {
         "mode": "denylist"
@@ -76,11 +66,9 @@ def test_http_headers_collection_defaults():
 
 def test_http_headers_use_default_in_setting_with_missing_config():
     sentry_sdk.init(
-        _experiments={
-            "data_collection": {
-                "http_headers": {
-                    "request": {"mode": "allowlist", "terms": ["x-id"]},
-                }
+        data_collection={
+            "http_headers": {
+                "request": {"mode": "allowlist", "terms": ["x-id"]},
             }
         }
     )
@@ -141,7 +129,7 @@ def _get(dc, path):
             id="send_default_pii_false_collects_no_pii",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             {
                 "user_info": True,
                 "gen_ai.inputs": True,
@@ -154,11 +142,7 @@ def _get(dc, path):
             id="explicit_data_collection_uses_spec_defaults",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"user_info": False, "http_bodies": []}
-                }
-            },
+            {"data_collection": {"user_info": False, "http_bodies": []}},
             {
                 "user_info": False,
                 "http_bodies": [],
@@ -169,7 +153,7 @@ def _get(dc, path):
         ),
         pytest.param(
             {
-                "_experiments": {"data_collection": {}},
+                "data_collection": {},
                 "include_local_variables": False,
                 "include_source_context": False,
             },
@@ -178,13 +162,11 @@ def _get(dc, path):
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": {"mode": "off"},
-                        "url_query_params": {"mode": "allowlist", "terms": ["page"]},
-                        "http_headers": {"request": {"mode": "off"}},
-                        "gen_ai": {"inputs": False, "outputs": True},
-                    }
+                "data_collection": {
+                    "cookies": {"mode": "off"},
+                    "url_query_params": {"mode": "allowlist", "terms": ["page"]},
+                    "http_headers": {"request": {"mode": "off"}},
+                    "gen_ai": {"inputs": False, "outputs": True},
                 }
             },
             {
@@ -199,14 +181,12 @@ def _get(dc, path):
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "cookies": None,
-                        "http_headers": None,
-                        "url_query_params": None,
-                        "graphql": None,
-                        "gen_ai": None,
-                    }
+                "data_collection": {
+                    "cookies": None,
+                    "http_headers": None,
+                    "url_query_params": None,
+                    "graphql": None,
+                    "gen_ai": None,
                 }
             },
             {
@@ -221,7 +201,7 @@ def _get(dc, path):
             id="none_values_fall_back_to_spec_defaults",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             {
                 "graphql.document": True,
                 "graphql.variables": True,
@@ -250,48 +230,46 @@ def _get(dc, path):
             id="legacy_pii_on_collects_graphql_database_and_queues",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"graphql": {"variables": False}}}},
+            {"data_collection": {"graphql": {"variables": False}}},
             {"graphql.document": True, "graphql.variables": False},
             id="explicit_partial_graphql_fills_omitted",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": True}}},
+            {"data_collection": {"frame_context_lines": True}},
             {"frame_context_lines": 5},
             id="frame_context_lines_bool_fallback_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": False}}},
+            {"data_collection": {"frame_context_lines": False}},
             {"frame_context_lines": 0},
             id="frame_context_lines_bool_fallback_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": 3}}},
+            {"data_collection": {"frame_context_lines": 3}},
             {"frame_context_lines": 3},
             id="frame_context_lines_bool_fallback_3",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": 0}}},
+            {"data_collection": {"frame_context_lines": 0}},
             {"frame_context_lines": 0},
             id="frame_context_lines_bool_fallback_0",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"stack_frame_variables": True}}},
+            {"data_collection": {"stack_frame_variables": True}},
             {"stack_frame_variables": True},
             id="stack_frame_variables_explicit_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"stack_frame_variables": False}}},
+            {"data_collection": {"stack_frame_variables": False}},
             {"stack_frame_variables": False},
             id="stack_frame_variables_explicit_false",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "data_collection": {
-                        "stack_frame_variables": {
-                            "mode": "allowlist",
-                            "terms": ["order_id"],
-                        }
+                "data_collection": {
+                    "stack_frame_variables": {
+                        "mode": "allowlist",
+                        "terms": ["order_id"],
                     }
                 }
             },
@@ -304,13 +282,7 @@ def _get(dc, path):
             id="stack_frame_variables_allowlist_dict",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {
-                        "stack_frame_variables": {"terms": ["order_id"]}
-                    }
-                }
-            },
+            {"data_collection": {"stack_frame_variables": {"terms": ["order_id"]}}},
             {
                 "stack_frame_variables": {
                     "mode": "denylist",
@@ -320,26 +292,22 @@ def _get(dc, path):
             id="stack_frame_variables_dict_defaults_mode_to_denylist",
         ),
         pytest.param(
-            {
-                "_experiments": {
-                    "data_collection": {"stack_frame_variables": {"mode": "off"}}
-                }
-            },
+            {"data_collection": {"stack_frame_variables": {"mode": "off"}}},
             {"stack_frame_variables": {"mode": "off"}},
             id="stack_frame_variables_off_dict_omits_terms",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"stack_frame_variables": "yes"}}},
+            {"data_collection": {"stack_frame_variables": "yes"}},
             {"stack_frame_variables": True},
             id="stack_frame_variables_non_bool_truthy_coerces_to_true",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"stack_frame_variables": ""}}},
+            {"data_collection": {"stack_frame_variables": ""}},
             {"stack_frame_variables": False},
             id="stack_frame_variables_non_bool_falsy_coerces_to_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": None}}},
+            {"data_collection": {"frame_context_lines": None}},
             {"frame_context_lines": 5},
             id="frame_context_lines_none_falls_back_to_spec_default",
         ),
@@ -366,7 +334,7 @@ def test_initialize_client_data_collection_overrides_send_default_pii_and_warns(
         warnings.simplefilter("always")
         dc = _initialize_client_with_config(
             send_default_pii=True,
-            _experiments={"data_collection": {"user_info": False}},
+            data_collection={"user_info": False},
         )
     assert dc["user_info"] is False  # data_collection wins
     assert any(issubclass(w.category, DeprecationWarning) for w in caught)
@@ -390,7 +358,7 @@ def test_initialize_client_data_collection_overrides_send_default_pii_and_warns(
             id="send_default_pii_enables_user_info",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"user_info": False}}},
+            {"data_collection": {"user_info": False}},
             {"user_info": False, "provided_by_user": True},
             id="explicit_data_collection_overrides_user_info",
         ),
@@ -402,7 +370,7 @@ def test_initialize_client_data_collection_overrides_send_default_pii_and_warns(
         pytest.param(
             {
                 "spotlight": True,
-                "_experiments": {"data_collection": {"user_info": False}},
+                "data_collection": {"user_info": False},
             },
             {"provided_by_user": True, "user_info": False},
             id="dsnless_spotlight_respects_explicit_data_collection",
@@ -419,21 +387,70 @@ def test_client_data_collection_settings(init_kwargs, expected):
             assert client.options["data_collection"][key] is value
 
 
-def test_has_data_collection_enabled_gates_on_presence():
+def test_has_data_collection_enabled_gates_on_user_provided_config():
     assert has_data_collection_enabled(None) is False
-    assert has_data_collection_enabled({"_experiments": {}}) is False
+    assert has_data_collection_enabled({}) is False
+    # An unset/None option is "not provided by the user".
+    assert has_data_collection_enabled({"data_collection": None}) is False
+    # Every SDK call site passes post-resolution client options, where
+    # `data_collection` is always a fully-resolved dict carrying
+    # `provided_by_user`. That flag -- not the key's presence -- is the gate.
     assert (
-        has_data_collection_enabled({"_experiments": {"data_collection": {}}}) is True
+        has_data_collection_enabled({"data_collection": {"provided_by_user": False}})
+        is False
     )
     assert (
-        has_data_collection_enabled({"_experiments": {"data_collection": None}}) is True
+        has_data_collection_enabled({"data_collection": {"provided_by_user": True}})
+        is True
     )
 
 
-def test_no_experiments_data_collection_values_fall_back_to_send_default_pii_configuration():
+@pytest.mark.parametrize(
+    "init_kwargs, expected",
+    [
+        pytest.param({}, False, id="no_config"),
+        pytest.param({"send_default_pii": True}, False, id="send_default_pii_true"),
+        pytest.param({"send_default_pii": False}, False, id="send_default_pii_false"),
+        pytest.param({"data_collection": {}}, True, id="empty_data_collection"),
+        pytest.param(
+            {"data_collection": {"user_info": False}},
+            True,
+            id="partial_data_collection",
+        ),
+    ],
+)
+def test_has_data_collection_enabled_after_resolution(init_kwargs, expected):
+    sentry_sdk.init(**init_kwargs)
+    assert has_data_collection_enabled(sentry_sdk.get_client().options) is expected
+
+
+def test_no_data_collection_values_fall_back_to_send_default_pii_configuration():
     sentry_sdk.init(send_default_pii=True)
     client = sentry_sdk.get_client()
     dc = client.options["data_collection"]
     assert dc["provided_by_user"] is False
     assert dc["user_info"] is True
     assert has_data_collection_enabled(client.options) is False
+
+
+def test_data_collection_via_experiments(sentry_init):
+    sentry_init(
+        _experiments={"data_collection": {"user_info": True}},
+    )
+
+    dc = sentry_sdk.get_client().options["data_collection"]
+    assert dc is not None
+    assert dc["provided_by_user"] is True
+    assert dc["user_info"] is True
+
+
+def test_top_level_takes_precedence_over_experiments(sentry_init):
+    sentry_init(
+        data_collection={"user_info": False},
+        _experiments={"data_collection": {"user_info": True}},
+    )
+
+    dc = sentry_sdk.get_client().options["data_collection"]
+    assert dc is not None
+    assert dc["provided_by_user"] is True
+    assert dc["user_info"] is False
diff --git a/tests/test_tracing_utils.py b/tests/test_tracing_utils.py
index 070c56e8b8..3098e73667 100644
--- a/tests/test_tracing_utils.py
+++ b/tests/test_tracing_utils.py
@@ -321,17 +321,17 @@ def _get_query_breadcrumb_data(
     "sentry_options, expected_data",
     (
         pytest.param(
-            {"_experiments": {"data_collection": {"database_query_data": True}}},
+            {"data_collection": {"database_query_data": True}},
             {"db.params": [1, 2], "db.paramstyle": "format"},
             id="data_collection_on_records_params",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"database_query_data": False}}},
+            {"data_collection": {"database_query_data": False}},
             {},
             id="data_collection_off_strips_params",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             {"db.params": [1, 2], "db.paramstyle": "format"},
             id="data_collection_default_records_params",
         ),
@@ -352,20 +352,16 @@ def _get_query_breadcrumb_data(
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "record_sql_params": True,
-                    "data_collection": {"database_query_data": False},
-                }
+                "_experiments": {"record_sql_params": True},
+                "data_collection": {"database_query_data": False},
             },
             {},
             id="data_collection_off_takes_precedence_over_legacy_on",
         ),
         pytest.param(
             {
-                "_experiments": {
-                    "record_sql_params": False,
-                    "data_collection": {"database_query_data": True},
-                }
+                "_experiments": {"record_sql_params": False},
+                "data_collection": {"database_query_data": True},
             },
             {"db.params": [1, 2], "db.paramstyle": "format"},
             id="data_collection_on_takes_precedence_over_legacy_off",
@@ -388,7 +384,7 @@ def test_record_sql_queries_empty_params_not_recorded(
     data = _get_query_breadcrumb_data(
         sentry_init,
         capture_events,
-        {"_experiments": {"data_collection": {"database_query_data": True}}},
+        {"data_collection": {"database_query_data": True}},
         params_list=params_list,
     )
     assert "db.params" not in data
@@ -398,7 +394,7 @@ def test_record_sql_queries_paramstyle_passthrough(sentry_init, capture_events):
     data = _get_query_breadcrumb_data(
         sentry_init,
         capture_events,
-        {"_experiments": {"data_collection": {"database_query_data": True}}},
+        {"data_collection": {"database_query_data": True}},
         paramstyle="qmark",
     )
     assert data["db.paramstyle"] == "qmark"
@@ -410,7 +406,7 @@ def test_record_sql_queries_paramstyle_dropped_when_collection_off(
     data = _get_query_breadcrumb_data(
         sentry_init,
         capture_events,
-        {"_experiments": {"data_collection": {"database_query_data": False}}},
+        {"data_collection": {"database_query_data": False}},
         paramstyle="qmark",
     )
     assert "db.paramstyle" not in data
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 1b6d2892b9..2be8698640 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -497,19 +497,19 @@ def test_warns_on_invalid_sample_rate(rate, StringContaining):  # noqa: N803
         pytest.param({}, True, True, id="no_data_collection-include_true"),
         pytest.param({}, False, False, id="no_data_collection-include_false"),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             False,
             True,
             id="data_collection-spec_default_overrides_include_false",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": 3}}},
+            {"data_collection": {"frame_context_lines": 3}},
             True,
             True,
             id="data_collection-frame_context_lines_3",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": 0}}},
+            {"data_collection": {"frame_context_lines": 0}},
             True,
             False,
             id="data_collection-frame_context_lines_0_overrides_include_true",
@@ -563,7 +563,7 @@ def _frame_with_locals():
 def test_stack_frame_variables_bool_when_serializing_frame(
     sentry_init, data_collection, include_local_variables, expected_vars
 ):
-    sentry_init(_experiments={"data_collection": data_collection})
+    sentry_init(data_collection=data_collection)
 
     result = serialize_frame(
         _frame_with_locals(), include_local_variables=include_local_variables
@@ -573,7 +573,7 @@ def test_stack_frame_variables_bool_when_serializing_frame(
 
 
 def test_stack_frame_variables_true_does_not_filter_sensitive_locals(sentry_init):
-    sentry_init(_experiments={"data_collection": {"stack_frame_variables": True}})
+    sentry_init(data_collection={"stack_frame_variables": True})
 
     result = serialize_frame(_frame_with_locals())
 
@@ -629,7 +629,7 @@ def test_stack_frame_variables_true_does_not_filter_sensitive_locals(sentry_init
 def test_stack_frame_variables_filtering_when_serializing_frame(
     sentry_init, behaviour, expected_vars
 ):
-    sentry_init(_experiments={"data_collection": {"stack_frame_variables": behaviour}})
+    sentry_init(data_collection={"stack_frame_variables": behaviour})
 
     result = serialize_frame(_frame_with_locals())
 
@@ -637,9 +637,7 @@ def test_stack_frame_variables_filtering_when_serializing_frame(
 
 
 def test_stack_frame_variables_off_omits_vars(sentry_init):
-    sentry_init(
-        _experiments={"data_collection": {"stack_frame_variables": {"mode": "off"}}}
-    )
+    sentry_init(data_collection={"stack_frame_variables": {"mode": "off"}})
 
     result = serialize_frame(_frame_with_locals())
 
@@ -650,11 +648,7 @@ def test_stack_frame_variables_omits_vars_when_frame_has_no_locals(sentry_init):
     def _frame_without_locals():
         return sys._getframe()
 
-    sentry_init(
-        _experiments={
-            "data_collection": {"stack_frame_variables": {"mode": "denylist"}}
-        }
-    )
+    sentry_init(data_collection={"stack_frame_variables": {"mode": "denylist"}})
 
     result = serialize_frame(_frame_without_locals())
 
@@ -662,11 +656,7 @@ def _frame_without_locals():
 
 
 def test_stack_frame_variables_filtering_uses_custom_repr(sentry_init):
-    sentry_init(
-        _experiments={
-            "data_collection": {"stack_frame_variables": {"mode": "denylist"}}
-        }
-    )
+    sentry_init(data_collection={"stack_frame_variables": {"mode": "denylist"}})
 
     def custom_repr(value):
         return "CUSTOM" if value == "not sensitive" else None
@@ -711,7 +701,7 @@ def test_data_collection_stack_frame_variables_overrides_include_local_variables
 ):
     sentry_init(
         include_local_variables=False,
-        _experiments={"data_collection": {"stack_frame_variables": True}},
+        data_collection={"stack_frame_variables": True},
     )
     events = capture_events()
 
@@ -733,10 +723,8 @@ def test_data_collection_stack_frame_variables_filtering_applies_to_captured_exc
     sentry_init, capture_events
 ):
     sentry_init(
-        _experiments={
-            "data_collection": {
-                "stack_frame_variables": {"mode": "denylist", "terms": ["nickname"]}
-            }
+        data_collection={
+            "stack_frame_variables": {"mode": "denylist", "terms": ["nickname"]}
         }
     )
     events = capture_events()
@@ -762,10 +750,8 @@ def raise_with_locals():
 
 def test_serialize_frame_variables_serializer_failure(sentry_init):
     sentry_init(
-        _experiments={
-            "data_collection": {
-                "stack_frame_variables": {"mode": "denylist", "terms": ["password"]}
-            }
+        data_collection={
+            "stack_frame_variables": {"mode": "denylist", "terms": ["password"]}
         }
     )
 
@@ -1348,23 +1334,23 @@ def fake_getlines(filename):
     [
         pytest.param({}, 5, id="no_data_collection-defaults_to_5"),
         pytest.param(
-            {"_experiments": {"data_collection": {}}},
+            {"data_collection": {}},
             5,
             id="data_collection-spec_default_5",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": 3}}},
+            {"data_collection": {"frame_context_lines": 3}},
             3,
             id="data_collection-frame_context_lines_3",
         ),
         pytest.param(
-            {"_experiments": {"data_collection": {"frame_context_lines": 0}}},
+            {"data_collection": {"frame_context_lines": 0}},
             0,
             id="data_collection-frame_context_lines_0",
         ),
         pytest.param(
             {
-                "_experiments": {"data_collection": {}},
+                "data_collection": {},
                 "include_source_context": False,
             },
             5,
diff --git a/tests/tracing/test_decorator.py b/tests/tracing/test_decorator.py
index 85703f2276..e315b6f1ca 100644
--- a/tests/tracing/test_decorator.py
+++ b/tests/tracing/test_decorator.py
@@ -879,10 +879,8 @@ def my_agent(*args, **kwargs):
     sentry_init(
         traces_sample_rate=1.0,
         stream_gen_ai_spans=stream_gen_ai_spans,
-        _experiments={
-            "data_collection": {
-                "gen_ai": {"inputs": collect_inputs, "outputs": collect_outputs}
-            }
+        data_collection={
+            "gen_ai": {"inputs": collect_inputs, "outputs": collect_outputs}
         },
     )