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-rw-r--r--src/core/display.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/core/display.c b/src/core/display.c
index d5024e5cb..8e3f93a42 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -28,8 +28,6 @@
* The display is represented as a #MetaDisplay struct.
*/
-#define _XOPEN_SOURCE 600 /* for gethostname() */
-
#include "config.h"
#include <stdlib.h>