diff --git a/modules/layered_tile_map/editor/layered_tile_data_editors.cpp b/modules/layered_tile_map/editor/layered_tile_data_editors.cpp
index a8ef3af0b..e09b812f3 100644
--- a/modules/layered_tile_map/editor/layered_tile_data_editors.cpp
+++ b/modules/layered_tile_map/editor/layered_tile_data_editors.cpp
@@ -385,10 +385,6 @@ void GenericTilePolygonEditor::_advanced_menu_item_pressed(int p_item_pressed) {
 		default:
 			break;
 	}
-
-	if (!use_undo_redo) {
-		memdelete(undo_redo);
-	}
 }
 
 void GenericTilePolygonEditor::_grab_polygon_point(Vector2 p_pos, const Transform2D &p_polygon_xform, int &r_polygon_index, int &r_point_index) {