diff --git a/UICatalog/Scenarios/BackgroundWorkerCollection.cs b/UICatalog/Scenarios/BackgroundWorkerCollection.cs
index c2bad88a9..fd537dfb5 100644
--- a/UICatalog/Scenarios/BackgroundWorkerCollection.cs
+++ b/UICatalog/Scenarios/BackgroundWorkerCollection.cs
@@ -485,7 +485,6 @@ public class BackgroundWorkerCollection : Scenario
                                                  }
 #endif
                                                  Application.Run (stagingUI);
-                                                 stagingUI.Dispose ();
                                              }
                                          };