diff --git a/libs/ardour/ardour/rc_configuration_vars.h b/libs/ardour/ardour/rc_configuration_vars.h
index d8e548f6a4..cb9642e2e1 100644
--- a/libs/ardour/ardour/rc_configuration_vars.h
+++ b/libs/ardour/ardour/rc_configuration_vars.h
@@ -171,7 +171,6 @@ CONFIG_VARIABLE (bool, loop_is_mode, "loop-is-mode", false)
 #endif
 CONFIG_VARIABLE (samplecnt_t, preroll, "preroll", 0)
 CONFIG_VARIABLE (samplecnt_t, postroll, "postroll", 0)
-CONFIG_VARIABLE (float, rf_speed, "rf-speed", 2.0f)
 CONFIG_VARIABLE (float, shuttle_speed_factor, "shuttle-speed-factor", 1.0f) // used for MMC shuttle
 CONFIG_VARIABLE (float, shuttle_speed_threshold, "shuttle-speed-threshold", 5.0f) // used for MMC shuttle
 CONFIG_VARIABLE (ShuttleBehaviour, shuttle_behaviour, "shuttle-behaviour", Sprung)
diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 68e60ad807..e41c455cb4 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -1427,12 +1427,6 @@ private:
 	void schedule_playback_buffering_adjustment ();
 	void schedule_capture_buffering_adjustment ();
 
-	uint32_t    cumulative_rf_motion;
-	uint32_t    rf_scale;
-
-	void set_rf_speed (float speed);
-	void reset_rf_scale (samplecnt_t samples_moved);
-
 	Locations*       _locations;
 	void location_added (Location*);
 	void location_removed (Location*);
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index f43877194b..dc55a2daeb 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -241,8 +241,6 @@ Session::Session (AudioEngine &eng,
 	, _n_lua_scripts (0)
 	, _butler (new Butler (*this))
 	, _post_transport_work (0)
-	,  cumulative_rf_motion (0)
-	, rf_scale (1.0)
 	, _locations (new Locations (*this))
 	, _ignore_skips_updates (false)
 	, _rt_thread_active (false)
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index 4ed837e3fd..e23df492b1 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -4031,11 +4031,6 @@ Session::config_changed (std::string p, bool ours)
 			request_play_loop (true);
 		}
 
-	} else if (p == "rf-speed") {
-
-		cumulative_rf_motion = 0;
-		reset_rf_scale (0);
-
 	} else if (p == "click-sound") {
 
 		setup_click_sounds (1);
diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc
index f4c35372ed..17a0f4de8d 100644
--- a/libs/ardour/session_transport.cc
+++ b/libs/ardour/session_transport.cc
@@ -512,8 +512,6 @@ Session::butler_transport_work ()
 	if (ptw & PostTransportReverse) {
 
 		clear_clicks();
-		cumulative_rf_motion = 0;
-		reset_rf_scale (0);
 
 		/* don't seek if locate will take care of that in non_realtime_stop() */
 
@@ -785,9 +783,6 @@ Session::non_realtime_stop (bool abort, int on_entry, bool& finished)
 		auditioner->cancel_audition ();
 	}
 
-	cumulative_rf_motion = 0;
-	reset_rf_scale (0);
-
 	if (did_record) {
 		begin_reversible_command (Operations::capture);
 		_have_captured = true;
@@ -1712,26 +1707,6 @@ Session::post_transport ()
 	set_post_transport_work (PostTransportWork (0));
 }
 
-void
-Session::reset_rf_scale (samplecnt_t motion)
-{
-	cumulative_rf_motion += motion;
-
-	if (cumulative_rf_motion < 4 * _current_sample_rate) {
-		rf_scale = 1;
-	} else if (cumulative_rf_motion < 8 * _current_sample_rate) {
-		rf_scale = 4;
-	} else if (cumulative_rf_motion < 16 * _current_sample_rate) {
-		rf_scale = 10;
-	} else {
-		rf_scale = 100;
-	}
-
-	if (motion != 0) {
-		set_dirty();
-	}
-}
-
 void
 Session::unset_play_range ()
 {