--- a/ipv6.c	Fri May 30 22:03:50 2014 +0000
+++ b/ipv6.c	Fri May 30 22:08:30 2014 +0000
@@ -379,56 +379,6 @@
 	return 0;
 }
 
-int
-ipv6_makestableprivate(struct in6_addr *addr,
-    const struct in6_addr *prefix, int prefix_len,
-    const unsigned char *netiface, size_t netiface_len,
-    const unsigned char *netid, size_t netid_len,
-    uint32_t dad_counter,
-    const char *secret, size_t secret_len)
-{
-	unsigned char buf[2048], digest[SHA256_DIGEST_STRING_LENGTH];
-	size_t len, l;
-	SHA256_CTX ctx;
-
-	if (prefix_len < 0 || prefix_len > 120) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	l = ROUNDUP8(prefix_len);
-	len = l + netiface_len + netid_len + sizeof(dad_counter) + secret_len;
-	if (len > sizeof(buf)) {
-		errno = ENOBUF;
-		return -1;
-	}
-
-	/* Combine all parameters into one buffer */
-	p = buf;
-	memcpy(p, prefix, l);
-	p += l;
-	memcpy(p, netiface, netiface_len);
-	p += netiface_len;
-	memcpy(p, netid, netid_len);
-	p += netid_len;
-	memcpy(p, dad_counter, sizeof(dad_counter));
-	p += sizeof(dad_counter);
-	memcpy(p, secret, secret_len);
-
-	/* Make an address using the prefix and the digest of the above.
-	 * RFC7212 Section 5.1 states that we shouldn't use MD5.
-	 * Pity as we use that for HMAC-MD5 which is still deemed OK.
-	 * SHA-256 is recommended */
-	SHA256_Init(&ctx);
-	SHA256_Update(&ctx, buf, len);
-	SHA256_Final(digest, &ctx);
-
-	memcpy(addr->s6_addr, prefix, l);
-	l = 128 - l;
-	memcpy(addr->s6_addr + l, hash, 128 - l);
-	return 0;
-}
-
 #ifdef IPV6_POLLADDRFLAG
 void
 ipv6_checkaddrflags(void *arg)