diff --git a/editor/plugins/polygon_2d_editor_plugin.cpp b/editor/plugins/polygon_2d_editor_plugin.cpp
index eb89db63a5a0..82e2370e94d9 100644
--- a/editor/plugins/polygon_2d_editor_plugin.cpp
+++ b/editor/plugins/polygon_2d_editor_plugin.cpp
@@ -118,6 +118,9 @@ void Polygon2DEditor::_notification(int p_what) {
 			uv_edit_draw->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			bone_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 		} break;
+		case NOTIFICATION_PREDELETE: {
+			uv_edit->queue_free();
+		} break;
 	}
 }