diff --git a/Source/Examples/OpenTK/GameWindow/SimpleWindow.cs b/Source/Examples/OpenTK/GameWindow/SimpleWindow.cs
index d684711a..2172ece8 100644
--- a/Source/Examples/OpenTK/GameWindow/SimpleWindow.cs
+++ b/Source/Examples/OpenTK/GameWindow/SimpleWindow.cs
@@ -11,9 +11,7 @@ using System.Drawing;
 using System.Diagnostics;
 
 using OpenTK;
-using OpenTK.Graphics.OpenGL;
 using OpenTK.Graphics;
-using OpenTK.Graphics.OpenGL.Enums;
 using OpenTK.Input;
 
 namespace Examples.Tutorial