diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 331d776b4f..9b8529b726 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -275,8 +275,6 @@ public:
 
 	void reset_focus (Gtk::Widget*);
 
-	static PublicEditor* _instance;
-
 	/** Emitted frequently with the audible sample, false, and the edit point as
 	 *  parameters respectively.
 	 *