diff --git a/libs/temporal/superclock.cc b/libs/temporal/superclock.cc
index 54b1a38b13..59794fdb99 100644
--- a/libs/temporal/superclock.cc
+++ b/libs/temporal/superclock.cc
@@ -24,8 +24,6 @@ Temporal::superclock_t Temporal::_superclock_ticks_per_second = 0;
 
 int Temporal::most_recent_engine_sample_rate = 48000; /* have to pick something as a default */
 
-bool Temporal::scts_set = false;
-
 void
 Temporal::set_sample_rate (int sr)
 {
@@ -36,5 +34,4 @@ void
 Temporal::set_superclock_ticks_per_second (Temporal::superclock_t sc)
 {
 	_superclock_ticks_per_second = sc;
-	scts_set = true;
 }
diff --git a/libs/temporal/temporal/superclock.h b/libs/temporal/temporal/superclock.h
index 2e7b0d3694..d4a9e4d9d1 100644
--- a/libs/temporal/temporal/superclock.h
+++ b/libs/temporal/temporal/superclock.h
@@ -40,11 +40,13 @@ typedef int64_t superclock_t;
 	static superclock_t _superclock_ticks_per_second = 0;
 #endif
 
-extern bool scts_set;
-
 #ifdef DEBUG_EARLY_SCTS_USE
-
-static inline superclock_t superclock_ticks_per_second() { if (!scts_set) { raise (SIGUSR2); } return _superclock_ticks_per_second; }
+static inline superclock_t superclock_ticks_per_second() {
+	if (_superclock_ticks_per_second == 0) {
+		raise (SIGUSR2);
+	}
+	return _superclock_ticks_per_second;
+}
 #else
 static inline superclock_t superclock_ticks_per_second() { return _superclock_ticks_per_second; }
 #endif