diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 75894610c9..06ef96cfbd 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -644,8 +644,6 @@ Session::immediately_post_engine ()
 void
 Session::destroy ()
 {
-	vector<void*> debug_pointers;
-
 	/* if we got to here, leaving pending state around
 	 * is a mistake.
 	 */