diff --git a/Testing/Demo.Docking/App.xaml.cs b/Testing/Demo.Docking/App.xaml.cs
deleted file mode 100644
--- a/Testing/Demo.Docking/App.xaml.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Configuration;
-using System.Data;
-using System.Linq;
-using System.Windows;
-
-namespace Sample3
-{
-    /// <summary>
-    /// Interaction logic for App.xaml
-    /// </summary>
-    public partial class App : Application
-    {
-    }
-}