diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 98d9d1dfd9..4097335f5b 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -5919,7 +5919,6 @@ Session::write_one_track (Track& track, framepos_t start, framepos_t end,
 	}
 
 	unblock_processing ();
-	itt.done = true;
 
 	return result;
 }