diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index 5ce8fcd386..928801d0b2 100644
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -2914,8 +2914,6 @@ Editor::set_canvas_cursor_for_region_view (double x, RegionView* rv)
 		return;
 	}
 
-	assert (rv);
-
 	ArdourCanvas::Group* g = rv->get_canvas_group ();
 	ArdourCanvas::Group* p = g->parent ();