diff --git a/ipv6/tayga/patches/003-RFC8215.patch b/ipv6/tayga/patches/003-RFC8215.patch
deleted file mode 100644
index 6fdee211c3..0000000000
--- a/ipv6/tayga/patches/003-RFC8215.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- a/addrmap.c
-+++ b/addrmap.c
-@@ -44,7 +44,9 @@ int validate_ip4_addr(const struct in_ad
- int validate_ip6_addr(const struct in6_addr *a)
- {
- 	/* Well-known prefix for NAT64 */
--	if (a->s6_addr32[0] == WKPF && !a->s6_addr32[1] && !a->s6_addr32[2])
-+        if (a->s6_addr32[0] == WKPF &&
-+	   (!a->s6_addr32[1] || (a->s6_addr16[2] == htonl(0x0001)))
-+	    && !a->s6_addr32[2])
- 		return 0;
- 
- 	/* Reserved per RFC 2373 */