diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index 2aa634fc3b..8c0003310a 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -416,9 +416,6 @@ class LIBARDOUR_API TriggerBox : public Processor
 	void reconnect_to_default ();
 	void parameter_changed (std::string const &);
 
-	typedef std::map<uint8_t,Triggers::size_type> MidiTriggerMap;
-	MidiTriggerMap midi_trigger_map;
-
 	static const uint64_t default_triggers_per_box;
 	static int _first_midi_note;
 	static TriggerMidiMapMode _midi_map_mode;
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index 69dfccf9b2..080a1d1bb4 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -1217,17 +1217,6 @@ TriggerBox::TriggerBox (Session& s, DataType dt)
 		}
 	}
 
-	/* MIDI note numbers from Ableton Push2 in chromatic mode */
-
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (92), 0));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (84), 1));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (76), 2));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (68), 3));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (60), 4));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (52), 5));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (44), 6));
-	midi_trigger_map.insert (midi_trigger_map.end(), std::make_pair (uint8_t (36), 7));
-
 	Temporal::TempoMap::MapChanged.connect_same_thread (tempo_map_connection, boost::bind (&TriggerBox::tempo_map_change, this));
 
 	Config->ParameterChanged.connect_same_thread (*this, boost::bind (&TriggerBox::parameter_changed, this, _1));