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-rw-r--r--btrfs-map-logical.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c
index b99d3bfb..0612c68b 100644
--- a/btrfs-map-logical.c
+++ b/btrfs-map-logical.c
@@ -16,8 +16,6 @@
* Boston, MA 021110-1307, USA.
*/
-#define _XOPEN_SOURCE 500
-#define _GNU_SOURCE 1
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>