diff --git a/gtk2_ardour/editing_context.cc b/gtk2_ardour/editing_context.cc
index a6f75ed6b5..db9691c0f6 100644
--- a/gtk2_ardour/editing_context.cc
+++ b/gtk2_ardour/editing_context.cc
@@ -3339,3 +3339,8 @@ EditingContext::set_loop_range (timepos_t const & start, timepos_t const & end,
 	commit_reversible_command ();
 }
 
+bool
+EditingContext::allow_trim_cursors () const
+{
+	return mouse_mode == MouseContent || mouse_mode == MouseTimeFX || mouse_mode == MouseDraw;
+}
diff --git a/gtk2_ardour/editing_context.h b/gtk2_ardour/editing_context.h
index bce45c0fae..e74d4a2ce4 100644
--- a/gtk2_ardour/editing_context.h
+++ b/gtk2_ardour/editing_context.h
@@ -479,6 +479,8 @@ class EditingContext : public ARDOUR::SessionHandlePtr, public AxisViewProvider,
 
 	void set_loop_range (Temporal::timepos_t const & start, Temporal::timepos_t const & end, std::string cmd);
 
+	virtual bool allow_trim_cursors () const;
+
   protected:
 	std::string _name;
 	bool within_track_canvas;
diff --git a/gtk2_ardour/midi_view.cc b/gtk2_ardour/midi_view.cc
index 0d4aae7bff..7b64d40828 100644
--- a/gtk2_ardour/midi_view.cc
+++ b/gtk2_ardour/midi_view.cc
@@ -3977,7 +3977,7 @@ void
 MidiView::note_mouse_position (float x_fraction, float /*y_fraction*/, bool can_set_cursor)
 {
 	Editing::MouseMode mm = _editing_context.current_mouse_mode();
-	bool trimmable = (mm == MouseContent || mm == MouseTimeFX || mm == MouseDraw);
+	bool trimmable = _editing_context.allow_trim_cursors ();
 
 	if (can_set_cursor) {
 		if (trimmable && x_fraction > 0.0 && x_fraction < 0.2) {
diff --git a/gtk2_ardour/pianoroll.cc b/gtk2_ardour/pianoroll.cc
index 7c843e29a1..c6ebd83fba 100644
--- a/gtk2_ardour/pianoroll.cc
+++ b/gtk2_ardour/pianoroll.cc
@@ -2776,3 +2776,9 @@ Pianoroll::map_transport_state ()
 		}
 	}
 }
+
+bool
+Pianoroll::allow_trim_cursors () const
+{
+	return mouse_mode == Editing::MouseContent || mouse_mode == Editing::MouseTimeFX;
+}
diff --git a/gtk2_ardour/pianoroll.h b/gtk2_ardour/pianoroll.h
index 4289c8f997..d9aad339ef 100644
--- a/gtk2_ardour/pianoroll.h
+++ b/gtk2_ardour/pianoroll.h
@@ -140,6 +140,7 @@ class Pianoroll : public CueEditor
 
 	PianorollMidiView* midi_view() const { return view; }
 	void set_session (ARDOUR::Session*);
+	bool allow_trim_cursors () const;
 
   protected:
 	void load_bindings ();