diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h
index ef9ab879ff..cdb68435a4 100644
--- a/libs/ardour/ardour/plugin.h
+++ b/libs/ardour/ardour/plugin.h
@@ -33,7 +33,6 @@
 #include "ardour/buffer_set.h"
 #include "ardour/chan_count.h"
 #include "ardour/chan_mapping.h"
-#include "ardour/cycles.h"
 #include "ardour/latent.h"
 #include "ardour/libardour_visibility.h"
 #include "ardour/midi_ring_buffer.h"
@@ -326,9 +325,6 @@ public:
 	virtual void set_owner (SessionObject* o) { _owner = o; }
 	SessionObject* owner () const { return _owner; }
 
-	void set_cycles (uint32_t c) { _cycles = c; }
-	cycles_t cycles () const { return _cycles; }
-
 	void use_for_impulse_analysis ()
 	{
 		_for_impulse_analysis = true;
diff --git a/libs/ardour/ladspa_plugin.cc b/libs/ardour/ladspa_plugin.cc
index 6fd4942ea4..83b6d02862 100644
--- a/libs/ardour/ladspa_plugin.cc
+++ b/libs/ardour/ladspa_plugin.cc
@@ -573,9 +573,6 @@ LadspaPlugin::connect_and_run (BufferSet& bufs,
 {
 	Plugin::connect_and_run (bufs, start, end, speed, in_map, out_map, nframes, offset);
 
-	cycles_t now;
-	cycles_t then = get_cycles ();
-
 	BufferSet& silent_bufs  = _session.get_silent_buffers(ChanCount(DataType::AUDIO, 1));
 	BufferSet& scratch_bufs = _session.get_scratch_buffers(ChanCount(DataType::AUDIO, 1));
 
@@ -599,8 +596,6 @@ LadspaPlugin::connect_and_run (BufferSet& bufs,
 	}
 
 	run_in_place (nframes);
-	now = get_cycles ();
-	set_cycles ((uint32_t) (now - then));
 
 	return 0;
 }
diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 917ea0b51e..761e5dde16 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -2851,8 +2851,6 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
 	DEBUG_TRACE(DEBUG::LV2, string_compose("%1 run %2 offset %3\n", name(), nframes, offset));
 	Plugin::connect_and_run(bufs, start, end, speed, in_map, out_map, nframes, offset);
 
-	cycles_t then = get_cycles();
-
 	/* remain at zero during pre-roll at zero */
 	speed = end > 0 ? speed : 0;
 	samplepos_t start0 = std::max (samplepos_t (0), start);
@@ -3355,9 +3353,6 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
 		}
 	}
 
-	cycles_t now = get_cycles();
-	set_cycles((uint32_t)(now - then));
-
 	// Update expected transport information for next cycle so we can detect changes
 	_next_cycle_speed = speed;
 	_next_cycle_start = end + (start - start0);