diff --git a/src/bonsai/bonsai/bim/module/material/operator.py b/src/bonsai/bonsai/bim/module/material/operator.py
index bf96f99fe4..4cf66d9177 100644
--- a/src/bonsai/bonsai/bim/module/material/operator.py
+++ b/src/bonsai/bonsai/bim/module/material/operator.py
@@ -589,6 +589,8 @@ class EditAssignedMaterial(bpy.types.Operator, tool.Ifc.Operator):
                     self.file,
                     **{"usage": material_set_usage, "attributes": attributes},
                 )
+                slab.DumbSlabPlaner().regenerate_from_layer_set(material_set_usage.ForLayerSet)
+                wall.DumbWallPlaner().regenerate_from_layer_set(material_set_usage.ForLayerSet)
             elif material_set_usage.is_a("IfcMaterialProfileSetUsage"):
                 if attributes.get("CardinalPoint", None):
                     attributes["CardinalPoint"] = int(attributes["CardinalPoint"])
diff --git a/src/bonsai/bonsai/bim/module/model/handler.py b/src/bonsai/bonsai/bim/module/model/handler.py
index 375eb70c26..2b30a1238c 100644
--- a/src/bonsai/bonsai/bim/module/model/handler.py
+++ b/src/bonsai/bonsai/bim/module/model/handler.py
@@ -47,11 +47,6 @@ def load_post(*args):
         "type.assign_type", "Bonsai.DumbWall.RegenerateFromType", wall.DumbWallPlaner().regenerate_from_type
     )
 
-    ifcopenshell.api.add_post_listener(
-        "material.edit_layer_usage",
-        "Bonsai.DumbSlab.RegenerateFromLayerSetUsage",
-        slab.DumbSlabPlaner().regenerate_from_layer_set_usage,
-    )
     ifcopenshell.api.add_post_listener(
         "type.assign_type", "Bonsai.DumbSlab.RegenerateFromType", slab.DumbSlabPlaner().regenerate_from_type
     )