diff --git a/src/libsystemd-network/sd-radv.c b/src/libsystemd-network/sd-radv.c
index fa15f96336..6dc4f9be29 100644
--- a/src/libsystemd-network/sd-radv.c
+++ b/src/libsystemd-network/sd-radv.c
@@ -702,35 +702,17 @@ void sd_radv_remove_prefix(
 
 int sd_radv_add_route_prefix(sd_radv *ra, sd_radv_route_prefix *p) {
         sd_radv_route_prefix *found = NULL;
-        int r;
 
         assert_return(ra, -EINVAL);
         assert_return(p, -EINVAL);
 
-        const char *addr_p = IN6_ADDR_PREFIX_TO_STRING(&p->opt.in6_addr, p->opt.prefixlen);
-
-        LIST_FOREACH(prefix, cur, ra->route_prefixes) {
-                r = in_addr_prefix_intersect(AF_INET6,
-                                             (const union in_addr_union*) &cur->opt.in6_addr,
-                                             cur->opt.prefixlen,
-                                             (const union in_addr_union*) &p->opt.in6_addr,
-                                             p->opt.prefixlen);
-                if (r < 0)
-                        return r;
-                if (r == 0)
-                        continue;
-
-                if (cur->opt.prefixlen == p->opt.prefixlen) {
+        LIST_FOREACH(prefix, cur, ra->route_prefixes)
+                if (cur->opt.prefixlen == p->opt.prefixlen &&
+                    in6_addr_equal(&cur->opt.in6_addr, &p->opt.in6_addr)) {
                         found = cur;
                         break;
                 }
 
-                return log_radv_errno(ra, SYNTHETIC_ERRNO(EEXIST),
-                                      "IPv6 route prefix %s conflicts with %s, ignoring.",
-                                      addr_p,
-                                      IN6_ADDR_PREFIX_TO_STRING(&cur->opt.in6_addr, cur->opt.prefixlen));
-        }
-
         if (found) {
                 /* p and cur may be equivalent. First increment the reference counter. */
                 sd_radv_route_prefix_ref(p);
@@ -743,7 +725,7 @@ int sd_radv_add_route_prefix(sd_radv *ra, sd_radv_route_prefix *p) {
                 LIST_APPEND(prefix, ra->route_prefixes, p);
 
                 log_radv(ra, "Updated/replaced IPv6 route prefix %s (lifetime: %s)",
-                         strna(addr_p),
+                         IN6_ADDR_PREFIX_TO_STRING(&p->opt.in6_addr, p->opt.prefixlen),
                          FORMAT_TIMESPAN(p->lifetime_usec, USEC_PER_SEC));
         } else {
                 /* The route prefix is new. Let's simply add it. */
@@ -752,7 +734,8 @@ int sd_radv_add_route_prefix(sd_radv *ra, sd_radv_route_prefix *p) {
                 LIST_APPEND(prefix, ra->route_prefixes, p);
                 ra->n_route_prefixes++;
 
-                log_radv(ra, "Added route prefix %s", strna(addr_p));
+                log_radv(ra, "Added route prefix %s",
+                         IN6_ADDR_PREFIX_TO_STRING(&p->opt.in6_addr, p->opt.prefixlen));
         }
 
         return 0;
@@ -760,35 +743,17 @@ int sd_radv_add_route_prefix(sd_radv *ra, sd_radv_route_prefix *p) {
 
 int sd_radv_add_pref64_prefix(sd_radv *ra, sd_radv_pref64_prefix *p) {
         sd_radv_pref64_prefix *found = NULL;
-        int r;
 
         assert_return(ra, -EINVAL);
         assert_return(p, -EINVAL);
 
-        const char *addr_p = IN6_ADDR_PREFIX_TO_STRING(&p->in6_addr, p->prefixlen);
-
-        LIST_FOREACH(prefix, cur, ra->pref64_prefixes) {
-                r = in_addr_prefix_intersect(AF_INET6,
-                                             (const union in_addr_union*) &cur->in6_addr,
-                                             cur->prefixlen,
-                                             (const union in_addr_union*) &p->in6_addr,
-                                             p->prefixlen);
-                if (r < 0)
-                        return r;
-                if (r == 0)
-                        continue;
-
-                if (cur->prefixlen == p->prefixlen) {
+        LIST_FOREACH(prefix, cur, ra->pref64_prefixes)
+                if (cur->prefixlen == p->prefixlen &&
+                    in6_addr_equal(&cur->in6_addr, &p->in6_addr)) {
                         found = cur;
                         break;
                 }
 
-                return log_radv_errno(ra, SYNTHETIC_ERRNO(EEXIST),
-                                      "IPv6 PREF64 prefix %s conflicts with %s, ignoring.",
-                                      addr_p,
-                                      IN6_ADDR_PREFIX_TO_STRING(&cur->in6_addr, cur->prefixlen));
-        }
-
         if (found) {
                 /* p and cur may be equivalent. First increment the reference counter. */
                 sd_radv_pref64_prefix_ref(p);
@@ -801,7 +766,7 @@ int sd_radv_add_pref64_prefix(sd_radv *ra, sd_radv_pref64_prefix *p) {
                 LIST_APPEND(prefix, ra->pref64_prefixes, p);
 
                 log_radv(ra, "Updated/replaced IPv6 PREF64 prefix %s (lifetime: %s)",
-                         strna(addr_p),
+                         IN6_ADDR_PREFIX_TO_STRING(&p->in6_addr, p->prefixlen),
                          FORMAT_TIMESPAN(p->lifetime_usec, USEC_PER_SEC));
         } else {
                 /* The route prefix is new. Let's simply add it. */
@@ -810,7 +775,8 @@ int sd_radv_add_pref64_prefix(sd_radv *ra, sd_radv_pref64_prefix *p) {
                 LIST_APPEND(prefix, ra->pref64_prefixes, p);
                 ra->n_pref64_prefixes++;
 
-                log_radv(ra, "Added PREF64 prefix %s", strna(addr_p));
+                log_radv(ra, "Added PREF64 prefix %s",
+                         IN6_ADDR_PREFIX_TO_STRING(&p->in6_addr, p->prefixlen));
         }
 
         return 0;