Index: mkpasswd.c
--- mkpasswd.c.orig	2025-08-02 01:13:07.000000000 +0200
+++ mkpasswd.c	2025-08-02 09:50:34.960957000 +0200
@@ -19,7 +19,6 @@
  */
 
 /* for crypt, snprintf and strcasecmp */
-#define _XOPEN_SOURCE 500
 #define _BSD_SOURCE 1
 #define _DEFAULT_SOURCE 1
 #define __EXTENSIONS__ 1
