commit - 9245750c559a7ba179ce356489a4b77c65f51e68
commit + 18e79a83874d1e94514f4eba3321718ba97fde9a
blob - 7ab2df9f312491186e925401c0ee5b96655d76f6
blob + e7fc201d86eec5b47f068d3f553466e002052f55
--- src/box/gc.c
+++ src/box/gc.c
@@ -396,6 +396,8 @@ gc_delay_unref(void)
 static void
 gc_schedule_cleanup(void)
 {
+	if (gc.cleanup_fiber == NULL)
+		return;
 	/*
 	 * Do not wake up the background fiber if it's executing
 	 * the garbage collection procedure right now, because
blob - 0d3006463e97dd9f707946d7132ded0a578bff00
blob + e50fc0c637d14a23f3b2c27f0d50adafe277044a
--- src/box/replication.cc
+++ src/box/replication.cc
@@ -80,6 +80,10 @@ enum bootstrap_strategy bootstrap_strategy = BOOTSTRAP
 
 enum replicaset_state replicaset_state = REPLICASET_BOOTSTRAP;
 
+/** Free replica resources. */
+static void
+replica_delete(struct replica *replica);
+
 static int
 replica_compare_by_uuid(const struct replica *a, const struct replica *b)
 {
@@ -240,6 +244,16 @@ replication_shutdown(void)
 void
 replication_free(void)
 {
+	struct replica *replica, *next;
+	while (!rlist_empty(&replicaset.anon)) {
+		replica = rlist_shift_entry(&replicaset.anon,
+					    typeof(*replica), in_anon);
+		replica_delete(replica);
+	}
+	replica_hash_foreach_safe(&replicaset.hash, replica, next) {
+		replica_hash_remove(&replicaset.hash, replica);
+		replica_delete(replica);
+	}
 	diag_destroy(&replicaset.applier.diag);
 	trigger_destroy(&replicaset.on_ack);
 	trigger_destroy(&replicaset.on_relay_thread_start);
@@ -310,9 +324,10 @@ replica_new(void)
 static void
 replica_delete(struct replica *replica)
 {
-	assert(replica_is_orphan(replica));
 	if (replica->relay != NULL)
 		relay_delete(replica->relay);
+	if (replica->applier != NULL)
+		applier_delete(replica->applier);
 	if (replica->gc != NULL)
 		gc_consumer_unregister(replica->gc);
 	TRASH(replica);