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-rw-r--r--libc/signal/sighold.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/libc/signal/sighold.c b/libc/signal/sighold.c
index d51ac1243..335af4a34 100644
--- a/libc/signal/sighold.c
+++ b/libc/signal/sighold.c
@@ -20,7 +20,6 @@
#define __need_NULL
#include <stddef.h>
-#define _GNU_SOURCE
#include <signal.h>
libc_hidden_proto(sigprocmask)