Index: src/std.c
--- src/std.c.orig
+++ src/std.c
@@ -25,9 +25,6 @@
  * @internal
  */
 
-/* Needed for gettimeofday(), at least on FreeBSD. */
-#define _XOPEN_SOURCE 700
-
 #include <config.h>
 #include <string.h>
 #include <math.h>