1 files changed, 0 insertions, 2 deletions
diff --git a/ffplay.c b/ffplay.c
index 07727b667a..e820c603e3 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -19,8 +19,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#define _XOPEN_SOURCE 600
-
 #include "config.h"
 #include <inttypes.h>
 #include <math.h>