diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c
index 72f3d97e7cb4c65b39de5e71b467318c831b7862..732b59f19892bb8e301f2a4459b0abd92cc9a171 100644
--- a/drivers/net/wireless/wl3501_cs.c
+++ b/drivers/net/wireless/wl3501_cs.c
@@ -1841,7 +1841,6 @@ static int wl3501_get_encode(struct net_device *dev,
 	tocopy = min_t(u8, len_keys, wrqu->encoding.length);
 	tocopy = min_t(u8, tocopy, 100);
 	wrqu->encoding.length = tocopy;
-	memset(extra, 0, tocopy);
 	memcpy(extra, keys, tocopy);
 out:
 	return rc;