1 files changed, 0 insertions, 2 deletions
diff --git a/bin/shalt.c b/bin/shalt.c
index e47e7df..dd64286 100644
--- a/bin/shalt.c
+++ b/bin/shalt.c
@@ -1,6 +1,4 @@
 /* shalt -- simple halt utility */
-#define _XOPEN_SOURCE 500
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>