diff --git a/libs/ardour/midi_region.cc b/libs/ardour/midi_region.cc
index e88ff82db8..567a4b4c7c 100644
--- a/libs/ardour/midi_region.cc
+++ b/libs/ardour/midi_region.cc
@@ -519,7 +519,7 @@ MidiRegion::render (Evoral::EventSink<samplepos_t>& dst,
 
 	src->set_note_mode(lm, mode);
 
-#if 1
+#if 0
 	cerr << "MR " << name () << " render "
 	     << " _position = " << _position
 	     << " _start = " << _start