diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 06e7cd09f7..d11ebd3123 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -1293,24 +1293,6 @@ void onion_append_to_cpath(crypt_path_t **head_ptr, crypt_path_t *new_hop)
   }
 }
 
-/** Add to sl all routers with platform version less than cutoff. */
-static void
-excluded_add_obsolete(smartlist_t *sl, const char *atleast, const char *nomore) {
-  routerlist_t *rl;
-  int i;
-  routerinfo_t *router;
-
-  router_get_routerlist(&rl);
-  if (!rl) return;
-
-  for (i = 0; i < smartlist_len(rl->routers); ++i) { /* iterate over routers */
-    router = smartlist_get(rl->routers, i);
-    if (!tor_version_as_new_as(router->platform, atleast) ||
-        tor_version_as_new_as(router->platform, nomore))
-      smartlist_add(sl, router);
-  }
-}
-
 static routerinfo_t *choose_good_middle_server(uint8_t purpose,
                                                cpath_build_state_t *state,
                                                crypt_path_t *head,
@@ -1337,8 +1319,6 @@ static routerinfo_t *choose_good_middle_server(uint8_t purpose,
       routerlist_add_family(excluded, r);
     }
   }
-  if (purpose == CIRCUIT_PURPOSE_TESTING)
-    excluded_add_obsolete(excluded, "0.0.9.7", "0.0.9.10");
   choice = router_choose_random_node(NULL, get_options()->ExcludeNodes, excluded,
            state->need_uptime, state->need_capacity,
            get_options()->_AllowUnverified & ALLOW_UNVERIFIED_MIDDLE, 0);