diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index eeed0ce..2b0b4e6 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1098,8 +1098,7 @@
 
 static int xennet_change_mtu(struct net_device *dev, int mtu)
 {
-	int max = xennet_can_sg(dev) ?
-		XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN;
+	int max = xennet_can_sg(dev) ? XEN_NETIF_MAX_TX_SIZE : ETH_DATA_LEN;
 
 	if (mtu > max)
 		return -EINVAL;
@@ -1353,8 +1352,6 @@
 	netdev->ethtool_ops = &xennet_ethtool_ops;
 	SET_NETDEV_DEV(netdev, &dev->dev);
 
-	netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER);
-
 	np->netdev = netdev;
 
 	netif_carrier_off(netdev);