diff --git a/Source/OpenTK/Platform/X11/WindowInfo.cs b/Source/OpenTK/Platform/X11/WindowInfo.cs
deleted file mode 100644
index 3ac308ca..00000000
--- a/Source/OpenTK/Platform/X11/WindowInfo.cs
+++ /dev/null
@@ -1,165 +0,0 @@
-#region --- License ---
-/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
- * See license.txt for license info
- */
-#endregion
-
-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Windows.Forms;
-
-namespace OpenTK.Platform.X11
-{
-#if false
-    /// <summary>
-    /// Describes a Windows.Form.Control, Windows.Forms.NativeWindow or OpenTK.GameWindow on the X11 platform.
-    /// This class supports OpenTK, and is not intended for use by OpenTK programs.
-    /// </summary>
-    internal sealed class WindowInfo : IMutableWindowInfo
-    {
-        private IntPtr handle, topLevelWindow;
-        private IntPtr rootWindow, display;
-        private int screen;
-        private X11.WindowInfo parent;
-        private XVisualInfo visinfo;
-        private static Type xplatui;
-        private EventMask eventMask;
-
-        public WindowInfo()
-        {
-            //visinfo = new XVisualInfo();
-        }
-
-        public WindowInfo(IWindowInfoOld info)
-        {
-            this.CopyInfoFrom(info);
-        }
-
-        public WindowInfo(Control control)
-        {
-            if (control == null)
-                throw new ArgumentException("Control cannot be null.");
-
-            this.CopyInfoFromXPlatUI();
-            this.Handle = control.Handle;
-            this.Parent = control.Parent != null ? new WindowInfo(control.Parent) : this.Parent;
-            this.TopLevelWindow = control.TopLevelControl != null ? control.TopLevelControl.Handle : IntPtr.Zero;
-        }
-
-        public WindowInfo(NativeWindow window)
-        {
-            if (window == null)
-                throw new ArgumentException("NativeWindow cannot be null.");
-
-            this.CopyInfoFromXPlatUI();
-            this.Handle = window.Handle;
-            this.Parent = null;
-            this.TopLevelWindow = IntPtr.Zero;
-        }
-
-        public WindowInfo(GameWindow window)
-        {
-            if (window == null)
-                throw new ArgumentException("GameWindow cannot be null.");
-            throw new NotSupportedException();
-            //this.CopyInfoFrom(window.WindowInfo);
-        }
-
-    #region --- IWindowInfo Members ---
-
-        public IntPtr Handle { get { return handle; } internal set { handle = value; } }
-        public IWindowInfoOld Parent { get { return parent; } internal set { parent = value as WindowInfo; } }
-
-        public IWindowInfoOld GetInfoFrom(Control control)
-        {
-            if (control == null)
-                throw new ArgumentException("Control cannot be null.");
-
-            return new WindowInfo(control);
-        }
-
-        public IWindowInfoOld GetInfoFrom(NativeWindow window)
-        {
-            if (window == null)
-                throw new ArgumentException("NativeWindow cannot be null.");
-
-            return new WindowInfo(window);
-        }
-
-        public IWindowInfoOld GetInfoFrom(GameWindow window)
-        {
-            if (window == null)
-                throw new ArgumentException("GameWindow cannot be null.");
-
-            throw new NotSupportedException();
-            //return this.GetInfoFrom(window.WindowInfo);
-        }
-
-        public IWindowInfoOld GetInfoFrom(IWindowInfoOld info)
-        {
-            if (info == null)
-                throw new ArgumentException("WindowInfo cannot be null");
-
-            return info;
-        }
-
-        #endregion
-
-    #region --- IMutableWindowInfo Members ---
-
-        public void CopyInfoFrom(IWindowInfoOld info)
-        {
-            if (info == null)
-                throw new ArgumentNullException("IWindowInfo", "Cannot be null.");
-            this.Handle = info.Handle;
-            this.Parent = info.Parent;
-
-            // Work around Mono 1.2.4 gmcs bug (resolved in 1.2.5)
-            // X11.WindowInfo winfo = info as X11.WindowInfo ?? (X11.WindowInfo)(info as Platform.WindowInfo);
-            X11.WindowInfo winfo = info as X11.WindowInfo;
-            if (winfo == null)
-                //winfo = (X11.WindowInfo)(info as Platform.WindowInfo);
-
-            this.RootWindow = winfo.RootWindow;
-            this.TopLevelWindow = winfo.TopLevelWindow;
-            this.Display = winfo.Display;
-            this.Screen = winfo.Screen;
-            this.VisualInfo = winfo.VisualInfo;
-            this.EventMask = winfo.EventMask;
-        }
-
-        #endregion
-
-        public IntPtr RootWindow { get { return rootWindow; } internal set { rootWindow = value; } }
-        public IntPtr TopLevelWindow { get { return topLevelWindow; } internal set { topLevelWindow = value; } }
-        public IntPtr ParentHandle { get { return parent.Handle; } internal set { parent.Handle = value; } }
-        public IntPtr Display { get { return display; } internal set { display = value; } }
-        public int Screen { get { return screen; } internal set { screen = value; } }
-        public XVisualInfo VisualInfo { get { return visinfo; } internal set { visinfo = value; } }
-        public EventMask EventMask { get { return eventMask; } internal set { eventMask = value; } }
-        
-
-        public override string ToString()
-        {
-            return String.Format("X11.WindowInfo: Display {0}, Screen {1}, Handle {2}, Parent: ({3})",
-                this.Display, this.Screen, this.Handle, this.Parent != null ? this.Parent.ToString() : "null");
-        }
-
-        private void CopyInfoFromXPlatUI()
-        {
-            xplatui = Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms");
-            if (xplatui == null)
-                throw new ApplicationException("Could not get System.Windows.Forms.XplatUIX11 through reflection. Unsupported platform or Mono runtime version, aborting.");
-
-            this.Display = (IntPtr)xplatui.GetField("DisplayHandle",
-                System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
-            this.RootWindow = (IntPtr)xplatui.GetField("RootWindow",
-                System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
-            this.Screen = (int)xplatui.GetField("ScreenNo",
-                System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
-
-        }
-    }
-#endif
-}