#include <cmath>
-#include <gtkmm/layout.h>
#include <gtkmm/comboboxtext.h>
+#include <gtkmm/layout.h>
#include <gtkmm2ext/selector.h>
#include <gtkmm2ext/click_box.h>
#include "pbd/stateful.h"
#include "ardour/session.h"
#include "ardour/tempo.h"
-#include "ardour/stretch.h"
#include "ardour/location.h"
#include "ardour/audioregion.h"
#include "ardour/track.h"