Fix compiler warning of unused variable.

diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index 0193bc04d4896feabcec406b698961ac53449b4b..a89a5018c7421b5dfe98d5b793003c4ca5d37451 100644 (file)
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -2081,7 +2081,6 @@ MidiRegionView::change_patch_change (MidiModel::PatchChangePtr old_change, const
 void
 MidiRegionView::add_patch_change (framecnt_t t, Evoral::PatchChange<Evoral::Beats> const & patch)
 {
-       MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(&trackview);
        string name = _("add patch change");
 
        trackview.editor().begin_reversible_command (name);