diff --git a/Source/OpenTK/Platform/MacOS/MacOSFactory.cs b/Source/OpenTK/Platform/MacOS/MacOSFactory.cs
index 091c1150..613d2d77 100644
--- a/Source/OpenTK/Platform/MacOS/MacOSFactory.cs
+++ b/Source/OpenTK/Platform/MacOS/MacOSFactory.cs
@@ -43,35 +43,34 @@ namespace OpenTK.Platform.MacOS
         internal const float ScrollFactor = 0.1f;
         internal static bool ExclusiveFullscreen = false;
 
-        readonly IInputDriver2 InputDriver = new HIDInput();
+        readonly IInputDriver2 InputDriver;
+
+        public MacOSFactory()
+        {
+            NSApplication.Initialize();
+            InputDriver = new HIDInput();
+        }
 
         #region IPlatformFactory Members
 
         public override INativeWindow CreateNativeWindow(int x, int y, int width, int height, string title, GraphicsMode mode, GameWindowFlags options, DisplayDevice device)
         {
-            INativeWindow window = new CocoaNativeWindow(x, y, width, height, title, mode, options, device);
-            RegisterResource(window);
-            return window;
+            return new CocoaNativeWindow(x, y, width, height, title, mode, options, device);
         }
 
         public override IDisplayDeviceDriver CreateDisplayDeviceDriver()
         {
-            // Does not implement IDisposable
             return new QuartzDisplayDeviceDriver();
         }
 
         public override IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
         {
-            IGraphicsContext context = new CocoaContext(mode, window, shareContext, major, minor);
-            RegisterResource(context);
-            return context;
+            return new CocoaContext(mode, window, shareContext, major, minor);
         }
 
         public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
         {
-            IGraphicsContext context = new CocoaContext(handle, window, shareContext, major, minor);
-            RegisterResource(context);
-            return context;
+            return new CocoaContext(handle, window, shareContext, major, minor);
         }
 
         public override GraphicsContext.GetCurrentContextDelegate CreateGetCurrentGraphicsContext()