diff --git a/libs/ardour/midi_track.cc b/libs/ardour/midi_track.cc
index c793241239..346ceff5a1 100644
--- a/libs/ardour/midi_track.cc
+++ b/libs/ardour/midi_track.cc
@@ -506,7 +506,7 @@ MidiTrack::export_stuff (BufferSet&                   buffers,
 	MidiStateTracker ignored;
 
 	/* XXX thsi doesn't fail, other than if the lock cannot be obtained */
-	uint32_t cnt = mpl->rendered()->read(buffers.get_midi(0), start, start+nframes, ignored, start);
+	mpl->rendered()->read(buffers.get_midi(0), start, start+nframes, ignored, start);
 
 	if (endpoint && !for_export) {
 		MidiBuffer& buf = buffers.get_midi(0);