diff --git a/Azaion.Annotator/MainWindow.xaml.cs b/Azaion.Annotator/MainWindow.xaml.cs
index be98a81..406aa1c 100644
--- a/Azaion.Annotator/MainWindow.xaml.cs
+++ b/Azaion.Annotator/MainWindow.xaml.cs
@@ -352,11 +352,6 @@ public partial class MainWindow
         };
     }
 
-    private void Thumb_OnDragCompleted_(object sender, DragCompletedEventArgs e)
-    {
-        throw new NotImplementedException();
-    }
-
     private void Thumb_OnDragCompleted(object sender, DragCompletedEventArgs e) => _ = SaveUserSettings();
 }