diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index cfa2a1171..1ae5389a5 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -1588,16 +1588,11 @@ _routerlist_find_elt(smartlist_t *sl, void *ri, int idx)
}
/** Insert an item ri into the routerlist rl, updating indices
- * as needed. There must be no previous member of rl with the same
- * identity giest as ri: If there is, call routerlist_replace
- * instead.
- */
+ * as needed. */
static void
routerlist_insert(routerlist_t *rl, routerinfo_t *ri)
{
- routerinfo_t *ri_old;
- ri_old = digestmap_set(rl->identity_map, ri->cache_info.identity_digest, ri);
- tor_assert(!ri_old);
+ digestmap_set(rl->identity_map, ri->cache_info.identity_digest, ri);
digestmap_set(rl->desc_digest_map, ri->cache_info.signed_descriptor_digest,
&(ri->cache_info));
smartlist_add(rl->routers, ri);
@@ -1687,7 +1682,6 @@ static void
routerlist_replace(routerlist_t *rl, routerinfo_t *ri_old,
routerinfo_t *ri_new, int idx, int make_old)
{
- routerinfo_t *ri_tmp;
tor_assert(ri_old != ri_new);
idx = _routerlist_find_elt(rl->routers, ri_old, idx);
router_dir_info_changed();
@@ -1705,9 +1699,7 @@ routerlist_replace(routerlist_t *rl, routerinfo_t *ri_old,
/* digests don't match; digestmap_set won't replace */
digestmap_remove(rl->identity_map, ri_old->cache_info.identity_digest);
}
- ri_tmp = digestmap_set(rl->identity_map,
- ri_new->cache_info.identity_digest, ri_new);
- tor_assert(!ri_tmp);
+ digestmap_set(rl->identity_map, ri_new->cache_info.identity_digest, ri_new);
digestmap_set(rl->desc_digest_map,
ri_new->cache_info.signed_descriptor_digest, &(ri_new->cache_info));