diff --git a/net/eth.c b/net/eth.c
index c1c1666..438fea0 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -44,8 +44,6 @@
 
 int eth_open(void)
 {
-	char mac[6];
-
 	if (!eth_current)
 		return 0;