#ifndef __ardour_export_timespan_h__
#define __ardour_export_timespan_h__
-#include <map>
-#include <list>
#include <string>
-#include "ardour/export_status.h"
-#include "ardour/export_channel.h"
-#include "ardour/ardour.h"
+#include <boost/shared_ptr.hpp>
+
+#include "ardour/types.h"
namespace ARDOUR
{
+class ExportStatus;
class ExportChannel;
class ExportTempFile;