diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 8b0d446789..17ade3e91d 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -71,7 +71,6 @@
 #include "editor_drag.h"
 #include "editor_regions.h"
 #include "editor_routes.h"
-#include "gtk-custom-hruler.h"
 #include "gui_thread.h"
 #include "insert_time_dialog.h"
 #include "interthread_progress_window.h"