diff --git a/libs/ardour/ltc_slave.cc b/libs/ardour/ltc_slave.cc
index f2335bba74..6f3f464419 100644
--- a/libs/ardour/ltc_slave.cc
+++ b/libs/ardour/ltc_slave.cc
@@ -64,8 +64,6 @@ LTC_TransportMaster::LTC_TransportMaster (std::string const & name)
 	, a3e_timecode (Timecode::timecode_24)
 	, samples_per_timecode_frame (0)
 {
-	DEBUG_TRACE (DEBUG::Slave, string_compose ("LTC registered %1\n", _port->name()));
-
 	memset (&prev_frame, 0, sizeof(LTCFrameExt));
 
 	resync_latency();
diff --git a/libs/ardour/mtc_slave.cc b/libs/ardour/mtc_slave.cc
index fd23b5f267..eded0e6dc2 100644
--- a/libs/ardour/mtc_slave.cc
+++ b/libs/ardour/mtc_slave.cc
@@ -68,8 +68,6 @@ MTC_TransportMaster::MTC_TransportMaster (std::string const & name)
 	, busy_guard2 (0)
 	, printed_timecode_warning (false)
 {
-	DEBUG_TRACE (DEBUG::Slave, string_compose ("MTC registered %1\n", _port->name()));
-
 	init ();
 }