diff --git a/python/jupyterlab_widgets/src/manager.ts b/python/jupyterlab_widgets/src/manager.ts
index 9bd5ed42fb..355f00ab02 100644
--- a/python/jupyterlab_widgets/src/manager.ts
+++ b/python/jupyterlab_widgets/src/manager.ts
@@ -605,7 +605,7 @@ export class WidgetManager extends Backbone.Model implements IDisposable {
     manager: WidgetManager
   ) {
     if (rendermime === LabWidgetManager.globalRendermime) {
-      throw new Error('Using global rendermime is not permitted!');
+      return;
     }
     rendermime.removeMimeType(WIDGET_VIEW_MIMETYPE);
     rendermime.addFactory(