diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index a1b5bcb..e1c1953 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -2160,7 +2160,7 @@
 
 static void devinet_sysctl_register(struct in_device *idev)
 {
-	neigh_sysctl_register(idev->dev, idev->arp_parms, "ipv4", NULL);
+	neigh_sysctl_register(idev->dev, idev->arp_parms, NULL);
 	__devinet_sysctl_register(dev_net(idev->dev), idev->dev->name,
 					&idev->cnf);
 }