diff --git a/libs/ardour/ardour/utils.h b/libs/ardour/ardour/utils.h
index 4b71c1586e..682206f58a 100644
--- a/libs/ardour/ardour/utils.h
+++ b/libs/ardour/ardour/utils.h
@@ -161,8 +161,6 @@ LIBARDOUR_API double slider_position_to_gain_with_max (double g, double max_gain
 #define METER_FALLOFF_MODERATE  13.3f // EBU-PPM, IRT PPM-   20dB / 1.5 sec
 #define METER_FALLOFF_MEDIUM    20.0f
 #define METER_FALLOFF_FAST      32.0f
-#define METER_FALLOFF_FASTER    46.0f
-#define METER_FALLOFF_FASTEST   70.0f
 
 LIBARDOUR_API float meter_falloff_to_float (ARDOUR::MeterFalloff);
 LIBARDOUR_API ARDOUR::MeterFalloff meter_falloff_from_float (float);
diff --git a/libs/ardour/utils.cc b/libs/ardour/utils.cc
index 2ada8ce79b..aa9ea35542 100644
--- a/libs/ardour/utils.cc
+++ b/libs/ardour/utils.cc
@@ -525,11 +525,8 @@ ARDOUR::meter_falloff_to_float (MeterFalloff falloff)
 	case MeterFalloffModerate:
 		return METER_FALLOFF_MODERATE;
 	case MeterFalloffFast:
-		return METER_FALLOFF_FAST;
-	case MeterFalloffFaster:
-		return METER_FALLOFF_FASTER;
+	case MeterFalloffFaster:  // backwards compat enum MeterFalloff
 	case MeterFalloffFastest:
-		return METER_FALLOFF_FASTEST;
 	default:
 		return METER_FALLOFF_FAST;
 	}