diff --git a/broker/broker.go b/broker/broker.go
index 39db9f17..d1dccaeb 100644
--- a/broker/broker.go
+++ b/broker/broker.go
@@ -44,27 +44,3 @@ var (
 func NewBroker(opts ...Option) Broker {
 	return newHttpBroker(opts...)
 }
-
-func Init(opts ...Option) error {
-	return DefaultBroker.Init(opts...)
-}
-
-func Connect() error {
-	return DefaultBroker.Connect()
-}
-
-func Disconnect() error {
-	return DefaultBroker.Disconnect()
-}
-
-func Publish(topic string, msg *Message, opts ...PublishOption) error {
-	return DefaultBroker.Publish(topic, msg, opts...)
-}
-
-func Subscribe(topic string, handler Handler, opts ...SubscribeOption) (Subscriber, error) {
-	return DefaultBroker.Subscribe(topic, handler, opts...)
-}
-
-func String() string {
-	return DefaultBroker.String()
-}