diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index b971e38..7312707 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -235,7 +235,6 @@ struct xfrm_encap_tmpl {
 	__u16		encap_type;
 	__be16		encap_sport;
 	__be16		encap_dport;
-	xfrm_address_t	encap_oa;
 };
 
 /* AEVENT flags  */
diff --git a/net/key/af_key.c b/net/key/af_key.c
index d87c22d..4851deb 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1245,7 +1245,6 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
 				ext_hdrs[SADB_X_EXT_NAT_T_DPORT-1];
 			natt->encap_dport = n_port->sadb_x_nat_t_port_port;
 		}
-		memset(&natt->encap_oa, 0, sizeof(natt->encap_oa));
 	}
 
 	err = xfrm_init_state(x);