diff --git a/panda/src/windisplay/winGraphicsWindow.cxx b/panda/src/windisplay/winGraphicsWindow.cxx
index cb31325764..7f65baa46d 100644
--- a/panda/src/windisplay/winGraphicsWindow.cxx
+++ b/panda/src/windisplay/winGraphicsWindow.cxx
@@ -1259,11 +1259,6 @@ window_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
   WindowProperties properties;
   int button = -1;
 
-  //first do custom messages processing if any has been set
-  for ( WinProcClasses::iterator it=_window_proc_classes.begin() ; it != _window_proc_classes.end(); it++ ){
-	  (*it)->wnd_proc(hwnd, msg, wparam, lparam);
-  }
-
   switch (msg) {
   case WM_MOUSEMOVE: 
     if (!_tracking_mouse_leaving) {
@@ -2798,26 +2793,3 @@ void get_client_rect_screen(HWND hwnd, RECT *view_rect) {
   view_rect->right = lr.x;
   view_rect->bottom = lr.y;
 }
-
-
-
-void WinGraphicsWindow::add_window_proc( const GraphicsWindowProc* wnd_proc ){
-	//check for type first
-  //nassertv(wnd_proc->get_type() == WinGraphicsWindowProc::get_class_type());
-	nassertv(wnd_proc != NULL);
-  _window_proc_classes.insert( (GraphicsWindowProc*)wnd_proc );
-}
-void WinGraphicsWindow::remove_window_proc( const GraphicsWindowProc* wnd_proc ){
-	//check to see if we have the right type of object
-  //nassertv(wnd_proc->get_type() == WinGraphicsWindowProc::get_class_type());
-	nassertv(wnd_proc != NULL);
-  _window_proc_classes.erase( (GraphicsWindowProc*)wnd_proc );
-}
-void WinGraphicsWindow::clear_window_procs(){
-	_window_proc_classes.clear();
-}
-
-bool WinGraphicsWindow::supports_window_procs() const{
-	return true;
-}
-
diff --git a/panda/src/windisplay/winGraphicsWindow.h b/panda/src/windisplay/winGraphicsWindow.h
index 6fba754548..1428826fa4 100644
--- a/panda/src/windisplay/winGraphicsWindow.h
+++ b/panda/src/windisplay/winGraphicsWindow.h
@@ -17,7 +17,6 @@
 
 #include "pandabase.h"
 #include "graphicsWindow.h"
-#include "graphicsWindowProc.h"
 #ifndef WIN32_LEAN_AND_MEAN
 	#define WIN32_LEAN_AND_MEAN 1
 #endif
@@ -179,17 +178,6 @@ private:
   bool _lalt_down;
   bool _ralt_down;
 
-  // following adds support platform specfic window processing
-  // functions.
-  typedef pset<GraphicsWindowProc*> WinProcClasses;
-  WinProcClasses _window_proc_classes;
-
-PUBLISHED:
-  virtual void add_window_proc( const GraphicsWindowProc* wnd_proc_object );
-  virtual void remove_window_proc( const GraphicsWindowProc* wnd_proc_object );
-  virtual void clear_window_procs();
-  virtual bool supports_window_procs() const;
-
 private:
   // We need this map to support per-window calls to window_proc().
   typedef map<HWND, WinGraphicsWindow *> WindowHandles;