diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index 666322c513..dac189baa9 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -296,7 +296,7 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
 	timepos_t current_pos() const;
 	double position_as_fraction() const;
 
-	virtual void captured (SlotArmInfo&, BufferSet&) {}
+	virtual void captured (SlotArmInfo&) {}
 	void arm (Temporal::BBT_Offset duration = Temporal::BBT_Offset()) {
 		_arm (duration);
 	}
@@ -542,7 +542,7 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
 	void io_change ();
 	bool probably_oneshot () const;
 
-	void captured (SlotArmInfo&, BufferSet&);
+	void captured (SlotArmInfo&);
 
 	int set_region_in_worker_thread (std::shared_ptr<Region>);
 	int set_region_in_worker_thread_from_capture (std::shared_ptr<Region>);
@@ -616,7 +616,7 @@ class LIBARDOUR_API MIDITrigger : public Trigger {
 
 	bool playable() const { return rt_midibuffer.load() || _region; }
 
-	void captured (SlotArmInfo&, BufferSet&);
+	void captured (SlotArmInfo&);
 	void disarm ();
 
 	template<bool actually_run> pframes_t midi_run (BufferSet&, samplepos_t start_sample, samplepos_t end_sample,
@@ -985,6 +985,8 @@ class LIBARDOUR_API TriggerBox : public Processor, public std::enable_shared_fro
 	/* return start time for capture; only valid if is_set is true upon return */
 	Temporal::Beats start_time (bool& is_set) const;
 
+	void finish_recording ();
+
   private:
 	struct Requests {
 		std::atomic<bool> stop_all;
@@ -1016,7 +1018,6 @@ class LIBARDOUR_API TriggerBox : public Processor, public std::enable_shared_fro
 	PBD::PCGRand _pcg;
 
 	void maybe_capture (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes);
-	void finish_recording (BufferSet& bufs);
 	void set_armed (SlotArmInfo*);
 
 	/* These four are accessed (read/write) only from process() context */
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index a39f9db881..bf173072b2 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -1864,7 +1864,7 @@ AudioTrigger::drop_data ()
 }
 
 void
-AudioTrigger::captured (SlotArmInfo& ai, BufferSet&)
+AudioTrigger::captured (SlotArmInfo& ai)
 {
 	if (ai.audio_buf.length == 0) {
 		/* Nothing captured */
@@ -2441,7 +2441,7 @@ MIDITrigger::disarm ()
 }
 
 void
-MIDITrigger::captured (SlotArmInfo& ai, BufferSet& bufs)
+MIDITrigger::captured (SlotArmInfo& ai)
 {
 	if (ai.midi_buf->size() == 0) {
 		disarm ();
@@ -3670,7 +3670,7 @@ TriggerBox::disarm ()
 }
 
 void
-TriggerBox::finish_recording (BufferSet& bufs)
+TriggerBox::finish_recording ()
 {
 	SlotArmInfo* ai = _arm_info.load();
 	assert (ai);
@@ -3678,7 +3678,7 @@ TriggerBox::finish_recording (BufferSet& bufs)
 	/* This transfers responsibility for the SlotArmInfo object to the
 	   trigger
 	*/
-	ai->slot->captured (*ai, bufs);
+	ai->slot->captured (*ai);
 	_arm_info = nullptr;
 
 	/* XXX this should likely be dependent on what the post-record action is */
@@ -3729,8 +3729,9 @@ TriggerBox::maybe_capture (BufferSet& bufs, samplepos_t start_sample, samplepos_
 
 	if (speed <= 0.) {
 		if (_record_state == Recording) {
+			std::cerr << "time to stop record\n";
 			/* We stopped the transport, so just stop immediately (no quantization) */
-			finish_recording (bufs);
+			finish_recording ();
 		}
 		/* we stopped or reversed, but were not recording. Nothing to do here */
 		return;
@@ -3831,7 +3832,7 @@ TriggerBox::maybe_capture (BufferSet& bufs, samplepos_t start_sample, samplepos_
 	}
 
 	if (reached_end) {
-		finish_recording (bufs);
+		finish_recording ();
 	}
 }