diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index c87fd2c8f0..3d79827b3f 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -639,6 +639,10 @@ ARDOUR_UI::~ARDOUR_UI ()
 		delete primary_clock;
 		delete secondary_clock;
 		delete _process_thread;
+		delete meterbridge;
+		delete editor;
+		delete mixer;
+		delete nsm;
 		delete gui_object_state;
 		FastMeter::flush_pattern_cache ();
 	}