diff --git a/cq_editor/widgets/object_tree.py b/cq_editor/widgets/object_tree.py
index f8d4bdb9..e01239df 100644
--- a/cq_editor/widgets/object_tree.py
+++ b/cq_editor/widgets/object_tree.py
@@ -13,7 +13,6 @@
 from OCP.AIS import AIS_Line
 from OCP.Geom import Geom_CartesianPoint
 from OCP.gp import gp_Pnt
-from OCP.Graphic3d import Graphic3d_ZLayerId_Topmost
 from OCP.Bnd import Bnd_Box
 
 from ..mixins import ComponentMixin