#include <simgear/compiler.h>
-#include STL_STRING
+#include <string>
#include <simgear/props/props.hxx>
-#include <simgear/scene/model/model.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include "protocol.hxx"
-SG_USING_STD(string);
+using std::string;
/****************************************************************