diff --git a/lib/getopt.h b/lib/getopt.h
index 2d02142..5e7d8d4 100644
--- a/lib/getopt.h
+++ b/lib/getopt.h
@@ -101,13 +101,6 @@ struct option
 #define optional_argument	2
 
 #if defined (__STDC__) && __STDC__
-#ifdef __GNU_LIBRARY__
-/* Many other libraries have conflicting prototypes for getopt, with
-   differences in the consts, in stdlib.h.  To avoid compilation
-   errors, only prototype getopt for the GNU C library.  */
-extern int getopt (int argc, char *const *argv, const char *shortopts);
-#else /* not __GNU_LIBRARY__ */
-#endif /* __GNU_LIBRARY__ */
 extern int getopt_long (int argc, char *const *argv, const char *shortopts,
 		        const struct option *longopts, int *longind);
 extern int getopt_long_only (int argc, char *const *argv,