1 files changed, 0 insertions, 1 deletions
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index 43a77fe523..eeebb5f422 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -122,7 +122,6 @@ class IdleOMeter;
 class VideoTimeLine;
 class ArdourKeyboard;
 class AudioClock;
-class ButtonJoiner;
 class ConnectionEditor;
 class DuplicateRouteDialog;
 class MainClock;