1 files changed, 0 insertions, 1 deletions

diff --git a/error.c b/error.c
index c6f217e5b..a229ecf1b 100644
--- a/error.c
+++ b/error.c
@@ -1172,7 +1172,6 @@ void
 rb_sys_fail(mesg)
     const char *mesg;
 {
-    extern int errno;
     int n = errno;
     VALUE arg;