diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
index f00d09f0b..b472dff8e 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
@@ -71,7 +71,6 @@ public:
   // --- audible output
   virtual void beep(int type);
   // --- global events
-  virtual void flush();
   virtual double wait(double time_to_wait);
   virtual int ready();
   virtual void grab(Fl_Window* win);
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
index f701df93c..a918d1104 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
@@ -152,13 +152,6 @@ void Fl_Cocoa_Screen_Driver::beep(int type) {
 }
 
 
-void Fl_Cocoa_Screen_Driver::flush() {
-  CGContextRef gc = (CGContextRef)Fl_Graphics_Driver::default_driver().gc();
-  if (gc)
-    CGContextFlush(gc);
-}
-
-
 extern void fl_fix_focus(); // in Fl.cxx
 
 extern void *fl_capture;