#include <simgear/compiler.h>
-#if defined( SG_HAVE_STD_INCLUDES )
# include <istream>
-#elif defined ( __BORLANDC__ )
-# include <iostream>
-#else
-# include <istream.h>
-#endif
-#include STL_STRING
+#include <string>
#include <simgear/misc/zfstream.hxx>