diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 0654eaae70c9fa4ac6621d1a89e70acfa72e1254..fd62a41d69cc82e3cc2da81b088ac36d4316a265 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -154,12 +154,10 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
 					  const struct net_device *out,
 					  int (*okfn)(struct sk_buff *))
 {
-#if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE)
 	/* Previously seen (loopback)?  Ignore.  Do this before
 	   fragment check. */
 	if ((*pskb)->nfct)
 		return NF_ACCEPT;
-#endif
 
 	/* Gather fragments. */
 	if (ip_hdr(*pskb)->frag_off & htons(IP_MF | IP_OFFSET)) {