diff --git a/gtk2_ardour/duplicate_routes_dialog.h b/gtk2_ardour/duplicate_routes_dialog.h
index 9dee8a6e31..54fa1e2e65 100644
--- a/gtk2_ardour/duplicate_routes_dialog.h
+++ b/gtk2_ardour/duplicate_routes_dialog.h
@@ -36,7 +36,6 @@ class DuplicateRouteDialog : public ArdourDialog
 {
   public:
 	DuplicateRouteDialog ();
-	~DuplicateRouteDialog ();
 
 	int restart ();