diff --git a/UIX.Skia/Microsoft/Iris/UI/UIForm.cs b/UIX.Skia/Microsoft/Iris/UI/UIForm.cs
index a190a1b..d626925 100644
--- a/UIX.Skia/Microsoft/Iris/UI/UIForm.cs
+++ b/UIX.Skia/Microsoft/Iris/UI/UIForm.cs
@@ -344,7 +344,6 @@ namespace Microsoft.Iris.UI
             Zone.Dispose(this);
             Session.InputManager.InvalidKeyFocus -= new InvalidKeyFocusHandler(OnInvalidKeyFocus);
             Session.Dispatcher.StopCurrentMessageLoop();
-            NativeApi.SpDestroyNotifyWindow();
         }
 
         private void OnInvalidKeyFocus(ICookedInputSite lastKnownFocused)