diff --git a/libs/ardour/track.cc b/libs/ardour/track.cc
index 44ee92ee39..0eaabbb365 100644
--- a/libs/ardour/track.cc
+++ b/libs/ardour/track.cc
@@ -106,7 +106,6 @@ Track::init ()
 	 */
 
 	if (!is_auditioner()) {
-		Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
 		boost::shared_ptr<TriggerBox> tb (new TriggerBox (_session, data_type ()));
 		tb->set_owner (this);
 		add_processor (tb, _polarity);