diff --git a/libs/temporal/tempo.cc b/libs/temporal/tempo.cc
index c51b4b953a..1708f99d87 100644
--- a/libs/temporal/tempo.cc
+++ b/libs/temporal/tempo.cc
@@ -1461,7 +1461,6 @@ void
 TempoMap::smf_add (TempoPoint & tp)
 {
 	assert (&tp.map() == this);
-	std::cerr << "TP add " << tp << std::endl;
 	/* all other tempos must be earlier; other points must be earlier or identical */
 	assert (_tempos.empty() || _tempos.back().sclock() < tp.sclock());
 	assert (_points.empty() || _points.back().sclock() <= tp.sclock());
@@ -1473,7 +1472,6 @@ void
 TempoMap::smf_add (MeterPoint & mp)
 {
 	assert (&mp.map() == this);
-	std::cerr << "MP add " << mp << std::endl;
 	/* all other meters must be earlier; other points must be earlier or identical */
 	assert (_meters.empty() || _meters.back().sclock() < mp.sclock());
 	assert (_points.empty() || _points.back().sclock() <= mp.sclock());