diff --git a/scripts/demos/mpm/newton_mpm_granular.py b/scripts/demos/mpm/newton_mpm_granular.py
index 7f82f77c6ad9..f2f7c872330b 100644
--- a/scripts/demos/mpm/newton_mpm_granular.py
+++ b/scripts/demos/mpm/newton_mpm_granular.py
@@ -146,7 +146,7 @@ class GranularSceneCfg(InteractiveSceneCfg):
 
         ground = AssetBaseCfg(
             prim_path="/World/Ground",
-            spawn=sim_utils.GroundPlaneCfg(size=(12.0, 12.0), color=(0.30, 0.30, 0.30)),
+            spawn=sim_utils.GroundPlaneCfg(),
         )
 
         dome_light = AssetBaseCfg(
diff --git a/scripts/demos/mpm/newton_mpm_twoway_coupling.py b/scripts/demos/mpm/newton_mpm_twoway_coupling.py
index c0f3665b52a1..4691172bb502 100644
--- a/scripts/demos/mpm/newton_mpm_twoway_coupling.py
+++ b/scripts/demos/mpm/newton_mpm_twoway_coupling.py
@@ -230,7 +230,7 @@ class CoupledSceneCfg(InteractiveSceneCfg):
 
         ground = AssetBaseCfg(
             prim_path="/World/Ground",
-            spawn=sim_utils.GroundPlaneCfg(size=(12.0, 12.0), color=(0.30, 0.30, 0.30)),
+            spawn=sim_utils.GroundPlaneCfg(),
             init_state=AssetBaseCfg.InitialStateCfg(pos=(0.0, 0.0, -wall_t)),
         )
         dome_light = AssetBaseCfg(
diff --git a/scripts/demos/mpm/snowball_smash.py b/scripts/demos/mpm/snowball_smash.py
index 82cbb562ab98..10c1079d4544 100644
--- a/scripts/demos/mpm/snowball_smash.py
+++ b/scripts/demos/mpm/snowball_smash.py
@@ -279,7 +279,7 @@ class SnowballSmashSceneCfg(InteractiveSceneCfg):
         # the MPM model view.
         ground = AssetBaseCfg(
             prim_path="/World/Ground",
-            spawn=sim_utils.GroundPlaneCfg(size=(12.0, 12.0), color=(0.32, 0.34, 0.38)),
+            spawn=sim_utils.GroundPlaneCfg(),
         )
 
         # The co-located hidden kinematic slab belongs only to the MPM entry.