diff --git a/gfx/gl/GLContext.h b/gfx/gl/GLContext.h
index e8defe2337e5..df27c012bb76 100644
--- a/gfx/gl/GLContext.h
+++ b/gfx/gl/GLContext.h
@@ -242,8 +242,6 @@ public:
 
     virtual bool SetupLookupFunction() = 0;
 
-    virtual void WindowDestroyed() {}
-
     virtual void ReleaseSurface() {}
 
     void *GetUserData(void *aKey) {