diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index 4aec665729..77d06d2949 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -289,7 +289,6 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
 	virtual void set_start (timepos_t const &) = 0;
 	virtual void set_end (timepos_t const &) = 0;
 	virtual void set_length (timecnt_t const &) = 0;
-	virtual void reload (BufferSet&, void*) = 0;
 	virtual void io_change () {}
 	virtual void set_legato_offset (timepos_t const & offset) = 0;
 
@@ -320,9 +319,6 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
 	virtual bool probably_oneshot () const = 0;
 
 	virtual timepos_t start_offset () const = 0; /* offset from start of data */
-	virtual timepos_t current_length() const = 0; /* offset from start() */
-	virtual timepos_t natural_length() const = 0; /* offset from start() */
-
 	void process_state_requests (BufferSet& bufs, pframes_t dest_offset);
 
 	bool active() const { return _state >= Running; }
@@ -552,9 +548,6 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
 	void set_length (timecnt_t const &);
 	void set_user_data_length (samplecnt_t);
 	timepos_t start_offset () const; /* offset from start of data */
-	timepos_t current_length() const; /* offset from start of data */
-	timepos_t natural_length() const; /* offset from start of data */
-	void reload (BufferSet&, void*);
 	void io_change ();
 	bool probably_oneshot () const;
 
@@ -652,9 +645,6 @@ class LIBARDOUR_API MIDITrigger : public Trigger {
 	void set_length (timecnt_t const &);
 	timepos_t start_offset () const;
 	timepos_t end() const;            /* offset from start of data */
-	timepos_t current_length() const; /* offset from start of data */
-	timepos_t natural_length() const; /* offset from start of data */
-	void reload (BufferSet&, void*);
 	bool probably_oneshot () const;
 
 	void tempo_map_changed();
@@ -926,7 +916,6 @@ class LIBARDOUR_API TriggerBox : public Processor, public std::enable_shared_fro
 	TriggerPtr get_next_trigger ();
 	TriggerPtr peek_next_trigger ();
 
-	void request_reload (int32_t slot, void*);
 	void set_region (uint32_t slot, std::shared_ptr<Region> region);
 
 	void non_realtime_transport_stop (samplepos_t now, bool flush);
@@ -1049,7 +1038,6 @@ class LIBARDOUR_API TriggerBox : public Processor, public std::enable_shared_fro
 	struct Request {
 		enum Type {
 			Use,
-			Reload,
 		};
 
 		Type type;
@@ -1077,8 +1065,6 @@ class LIBARDOUR_API TriggerBox : public Processor, public std::enable_shared_fro
 	void process_requests (BufferSet&);
 	void process_request (BufferSet&, Request*);
 
-	void reload (BufferSet& bufs, int32_t slot, void* ptr);
-
 	void cancel_locate_armed ();
 	void fast_forward_nothing_to_do ();
 	int handle_stopped_trigger (BufferSet& bufs, pframes_t dest_offset);
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index a60d6252a5..1a82c278b1 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -1717,24 +1717,6 @@ AudioTrigger::set_user_data_length (samplecnt_t s)
 	_user_data_length = s;
 	send_property_change (ARDOUR::Properties::length);
 }
-
-timepos_t
-AudioTrigger::current_length() const
-{
-	if (_region) {
-		return timepos_t (data.length);
-	}
-	return timepos_t (Temporal::BeatTime);
-}
-
-timepos_t
-AudioTrigger::natural_length() const
-{
-	if (_region) {
-		return timepos_t::from_superclock (_region->length().magnitude());
-	}
-	return timepos_t (Temporal::BeatTime);
-}
 int
 AudioTrigger::set_region_in_worker_thread_from_capture (std::shared_ptr<Region> r)
 {
@@ -2321,8 +2303,6 @@ AudioTrigger::audio_run (BufferSet& bufs, samplepos_t start_sample, samplepos_t
 	return covered_frames;
 }
 
-void
-AudioTrigger::reload (BufferSet&, void*)
 {
 }
 
@@ -2952,24 +2932,6 @@ MIDITrigger::set_length (timecnt_t const & newlen)
 
 }
 
-timepos_t
-MIDITrigger::current_length() const
-{
-	if (_region) {
-		return timepos_t (data_length);
-	}
-	return timepos_t (Temporal::BeatTime);
-}
-
-timepos_t
-MIDITrigger::natural_length() const
-{
-	if (_region) {
-		return timepos_t::from_ticks (_region->length().magnitude());
-	}
-	return timepos_t (Temporal::BeatTime);
-}
-
 void
 MIDITrigger::estimate_midi_patches ()
 {
@@ -3116,11 +3078,6 @@ MIDITrigger::retrigger ()
 	DEBUG_TRACE (DEBUG::Triggers, string_compose ("%1 retriggered to start, ts = %2\n", _index, transition_beats));
 }
 
-void
-MIDITrigger::reload (BufferSet&, void*)
-{
-}
-
 void
 MIDITrigger::tempo_map_changed ()
 {
@@ -5566,15 +5523,6 @@ TriggerBox::Request::operator delete (void *ptr, size_t /*size*/)
 	return pool->release (ptr);
 }
 
-void
-TriggerBox::request_reload (int32_t slot, void* ptr)
-{
-	Request* r = new Request (Request::Reload);
-	r->slot = slot;
-	r->ptr = ptr;
-	requests.write (&r, 1);
-}
-
 void
 TriggerBox::process_requests (BufferSet& bufs)
 {
@@ -5591,23 +5539,11 @@ TriggerBox::process_request (BufferSet& bufs, Request* req)
 	switch (req->type) {
 	case Request::Use:
 		break;
-	case Request::Reload:
-		reload (bufs, req->slot, req->ptr);
-		break;
 	}
 
 	delete req; /* back to the pool, RT-safe */
 }
 
-void
-TriggerBox::reload (BufferSet& bufs, int32_t slot, void* ptr)
-{
-	if (slot >= (int32_t) all_triggers.size()) {
-		return;
-	}
-	all_triggers[slot]->reload (bufs, ptr);
-}
-
 double
 TriggerBox::position_as_fraction () const
 {