diff --git a/api/src/opentrons/protocol_engine/state/labware.py b/api/src/opentrons/protocol_engine/state/labware.py
index c8792f516b0..a18c1b0c965 100644
--- a/api/src/opentrons/protocol_engine/state/labware.py
+++ b/api/src/opentrons/protocol_engine/state/labware.py
@@ -741,13 +741,6 @@ def raise_if_labware_cannot_be_stacked(
             raise errors.LabwareCannotBeStackedError(
                 f"Labware {top_labware_definition.parameters.loadName} cannot be loaded onto labware {below_labware.loadName}"
             )
-        elif isinstance(below_labware.location, ModuleLocation):
-            below_definition = self.get_definition(labware_id=below_labware.id)
-            if not labware_validation.validate_definition_is_adapter(below_definition):
-                raise errors.LabwareCannotBeStackedError(
-                    f"Labware {top_labware_definition.parameters.loadName} cannot be loaded"
-                    f" onto a labware on top of a module"
-                )
         elif isinstance(below_labware.location, OnLabwareLocation):
             further_below_definition = self.get_definition(
                 labware_id=below_labware.location.labwareId
diff --git a/api/tests/opentrons/protocol_engine/state/test_labware_view.py b/api/tests/opentrons/protocol_engine/state/test_labware_view.py
index 5e7e96412fa..21983920898 100644
--- a/api/tests/opentrons/protocol_engine/state/test_labware_view.py
+++ b/api/tests/opentrons/protocol_engine/state/test_labware_view.py
@@ -1334,38 +1334,6 @@ def test_raise_if_labware_cannot_be_stacked_not_validated() -> None:
         )
 
 
-def test_raise_if_labware_cannot_be_stacked_on_module_not_adapter() -> None:
-    """It should raise if the below labware on a module is not an adapter."""
-    subject = get_labware_view(
-        labware_by_id={
-            "labware-id": LoadedLabware(
-                id="labware-id",
-                loadName="test",
-                definitionUri="def-uri",
-                location=ModuleLocation(moduleId="module-id"),
-            )
-        },
-        definitions_by_uri={
-            "def-uri": LabwareDefinition.construct(  # type: ignore[call-arg]
-                allowedRoles=[LabwareRole.labware]
-            )
-        },
-    )
-
-    with pytest.raises(errors.LabwareCannotBeStackedError, match="module"):
-        subject.raise_if_labware_cannot_be_stacked(
-            top_labware_definition=LabwareDefinition.construct(  # type: ignore[call-arg]
-                parameters=Parameters.construct(  # type: ignore[call-arg]
-                    loadName="name"
-                ),
-                stackingOffsetWithLabware={
-                    "test": SharedDataOverlapOffset(x=0, y=0, z=0)
-                },
-            ),
-            bottom_labware_id="labware-id",
-        )
-
-
 def test_raise_if_labware_cannot_be_stacked_on_labware_on_adapter() -> None:
     """It should raise if the OnLabware location is on an adapter."""
     subject = get_labware_view(