diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index 5da0b1af14..6e0e529e10 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -293,8 +293,6 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
 
 	SegmentDescriptor get_segment_descriptor () const;
 
-	static PBD::Signal1<void,std::string> CannotDetermineTempo;
-
   protected:
 	void retrigger ();
 	void set_usable_length ();
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index 49f9f9b99d..d82f4a1d38 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -524,8 +524,6 @@ Trigger::maybe_compute_next_transition (samplepos_t start_sample, Temporal::Beat
 
 /*--------------------*/
 
-PBD::Signal1<void,std::string> AudioTrigger::CannotDetermineTempo;
-
 AudioTrigger::AudioTrigger (uint64_t n, TriggerBox& b)
 	: Trigger (n, b)
 	, data (0)
@@ -791,7 +789,6 @@ AudioTrigger::determine_tempo ()
 		if (_apparent_tempo == 0.0) {
 			/* no apparent tempo, just return since we'll use it as-is */
 			std::cerr << "Could not determine tempo for " << name() << std::endl;
-			CannotDetermineTempo (_region->source (0)->name());
 			return;
 		}