diff --git a/gtk2_ardour/waves_button.cc b/gtk2_ardour/waves_button.cc
index 81b56bdc79..db072a1c1d 100644
--- a/gtk2_ardour/waves_button.cc
+++ b/gtk2_ardour/waves_button.cc
@@ -329,12 +329,6 @@ WavesButton::color_handler ()
 	set_dirty ();
 }
 
-void
-WavesButton::on_size_allocate (Allocation& alloc)
-{
-	CairoWidget::on_size_allocate (alloc);
-}
-
 void
 WavesButton::set_controllable (boost::shared_ptr<Controllable> c)
 {
diff --git a/gtk2_ardour/waves_button.h b/gtk2_ardour/waves_button.h
index b202714e5a..7def2dbd71 100644
--- a/gtk2_ardour/waves_button.h
+++ b/gtk2_ardour/waves_button.h
@@ -65,7 +65,6 @@ class WavesButton : public CairoWidget , public Gtkmm2ext::Activatable
   protected:
         void render (cairo_t *, cairo_rectangle_t*);
 	void on_size_request (Gtk::Requisition* req);
-	void on_size_allocate (Gtk::Allocation&);
 	void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 	void on_name_changed ();
 	bool on_enter_notify_event (GdkEventCrossing*);