diff --git a/libs/temporal/tempo.cc b/libs/temporal/tempo.cc
index dd1700551f..84bca3a8d4 100644
--- a/libs/temporal/tempo.cc
+++ b/libs/temporal/tempo.cc
@@ -568,9 +568,9 @@ TempoPoint::superclock_at (Temporal::Beats const & qn) const
 		}
 	}
 
-	/* Now round up to the nearest sample-equivalent superclock value */
+	/* Truncate to the nearest sample-equivalent superclock value */
 
-	return sample_aligned_superclock (r, TEMPORAL_SAMPLE_RATE);
+	return (r / TEMPORAL_SAMPLE_RATE) * TEMPORAL_SAMPLE_RATE;
 }
 
 superclock_t
diff --git a/libs/temporal/temporal/superclock.h b/libs/temporal/temporal/superclock.h
index 8aa4bb2a99..a3f4783f30 100644
--- a/libs/temporal/temporal/superclock.h
+++ b/libs/temporal/temporal/superclock.h
@@ -47,7 +47,6 @@ static inline superclock_t superclock_ticks_per_second() { return _superclock_ti
 
 static inline superclock_t superclock_to_samples (superclock_t s, int sr) { return PBD::muldiv_floor (s, sr, superclock_ticks_per_second()); }
 static inline superclock_t samples_to_superclock (int64_t samples, int sr) { return PBD::muldiv_round (samples, superclock_ticks_per_second(), superclock_t (sr)); }
-static inline superclock_t sample_aligned_superclock (superclock_t s, int sr) { return PBD::muldiv_floor (s, sr, sr); }
 
 LIBTEMPORAL_API extern int most_recent_engine_sample_rate;