diff --git a/src/bonsai/bonsai/bim/module/drawing/operator.py b/src/bonsai/bonsai/bim/module/drawing/operator.py
index 39b5617b24..a4af42d21d 100644
--- a/src/bonsai/bonsai/bim/module/drawing/operator.py
+++ b/src/bonsai/bonsai/bim/module/drawing/operator.py
@@ -1724,7 +1724,7 @@ class SelectAllSheets(bpy.types.Operator):
         return {"FINISHED"}
 
 
-class OpenSheet(bpy.types.Operator, tool.Ifc.Operator):
+class OpenSheet(bpy.types.Operator):
     bl_idname = "bim.open_sheet"
     bl_label = "Open Sheet"
     bl_description = (
diff --git a/src/bonsai/bonsai/bim/module/system/operator.py b/src/bonsai/bonsai/bim/module/system/operator.py
index afd45ec735..b85ec4a666 100644
--- a/src/bonsai/bonsai/bim/module/system/operator.py
+++ b/src/bonsai/bonsai/bim/module/system/operator.py
@@ -426,7 +426,7 @@ class EnableEditingZone(bpy.types.Operator):
         return {"FINISHED"}
 
 
-class DisableEditingZone(bpy.types.Operator, tool.Ifc.Operator):
+class DisableEditingZone(bpy.types.Operator):
     bl_idname = "bim.disable_editing_zone"
     bl_label = "Disable Editing Zone"
     bl_options = {"REGISTER", "UNDO"}