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-rw-r--r--tools/perf/util/ui/helpline.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/tools/perf/util/ui/helpline.c b/tools/perf/util/ui/helpline.c
index 6ef3c569176..4f48f5901b3 100644
--- a/tools/perf/util/ui/helpline.c
+++ b/tools/perf/util/ui/helpline.c
@@ -1,4 +1,3 @@
-#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>