diff --git a/libs/ardour/ardour/tempo.h b/libs/ardour/ardour/tempo.h
index 8caad9a5eb..f6a857e7cd 100644
--- a/libs/ardour/ardour/tempo.h
+++ b/libs/ardour/ardour/tempo.h
@@ -424,9 +424,9 @@ class LIBARDOUR_API TempoMap : public PBD::StatefulDestructible
 
 	void replace_meter (const MeterSection&, const Meter&, const Temporal::BBT_Time& where, samplepos_t sample, PositionLockStyle pls);
 
-	MusicSample round_to_bar  (samplepos_t sample, RoundMode dir);
-	MusicSample round_to_beat (samplepos_t sample, RoundMode dir);
-	MusicSample round_to_quarter_note_subdivision (samplepos_t fr, int sub_num, RoundMode dir);
+	MusicSample round_to_bar  (samplepos_t sample, Temporal::RoundMode dir);
+	MusicSample round_to_beat (samplepos_t sample, Temporal::RoundMode dir);
+	MusicSample round_to_quarter_note_subdivision (samplepos_t fr, int sub_num, Temporal::RoundMode dir);
 
 	void set_length (samplepos_t samples);
 
@@ -611,7 +611,7 @@ private:
 	void recompute_meters (Metrics& metrics);
 	void recompute_map (Metrics& metrics, samplepos_t end = -1);
 
-	MusicSample round_to_type (samplepos_t fr, RoundMode dir, BBTPointType);
+	MusicSample round_to_type (samplepos_t fr, Temporal::RoundMode dir, BBTPointType);
 
 	const MeterSection& first_meter() const;
 	MeterSection&       first_meter();
diff --git a/libs/ardour/ardour/types.h b/libs/ardour/ardour/types.h
index 5dd927cf03..0df1cdf9e8 100644
--- a/libs/ardour/ardour/types.h
+++ b/libs/ardour/ardour/types.h
@@ -254,14 +254,6 @@ enum ColorMode {
 	TrackColor
 };
 
-enum RoundMode {
-	RoundDownMaybe  = -2,  ///< Round down only if necessary
-	RoundDownAlways = -1,  ///< Always round down, even if on a division
-	RoundNearest    = 0,   ///< Round to nearest
-	RoundUpAlways   = 1,   ///< Always round up, even if on a division
-	RoundUpMaybe    = 2    ///< Round up only if necessary
-};
-
 enum SnapPref {
 	SnapToAny_Visual    = 0, /**< Snap to the editor's visual snap
 	                          * (incoprorating snap prefs and the current zoom scaling)