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-rw-r--r--src/unexpand.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/unexpand.c b/src/unexpand.c
index 22acbe6b8..42df105dd 100644
--- a/src/unexpand.c
+++ b/src/unexpand.c
@@ -37,9 +37,6 @@
#include <config.h>
-/* Get isblank from GNU libc. */
-#define _GNU_SOURCE
-
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>