diff --git a/gtk2_ardour/marker.cc b/gtk2_ardour/marker.cc
index dd225121b0..f1e8da3365 100644
--- a/gtk2_ardour/marker.cc
+++ b/gtk2_ardour/marker.cc
@@ -333,7 +333,6 @@ ArdourMarker::~ArdourMarker ()
 
 	/* destroying the parent group destroys its contents, namely any polygons etc. that we added */
 	delete group;
-	delete _track_canvas_line;
 	delete points;
 }