diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 60ea575624..0151df872f 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -70,7 +70,6 @@
 #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"