diff --git a/weed/cluster/lock_client.go b/weed/cluster/lock_client.go
index 57801735c..4ebb067df 100644
--- a/weed/cluster/lock_client.go
+++ b/weed/cluster/lock_client.go
@@ -122,10 +122,6 @@ func (lock *LiveLock) AttemptToLock(lockDuration time.Duration) error {
 	return nil
 }
 
-func (lock *LiveLock) IsLocked() bool {
-	return lock != nil && lock.isLocked
-}
-
 func (lock *LiveLock) StopShortLivedLock() error {
 	if !lock.isLocked {
 		return nil
diff --git a/weed/mq/broker/broker_grpc_balance.go b/weed/mq/broker/broker_grpc_balance.go
index 4d74cede4..412407211 100644
--- a/weed/mq/broker/broker_grpc_balance.go
+++ b/weed/mq/broker/broker_grpc_balance.go
@@ -4,14 +4,9 @@ import (
 	"context"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
 )
 
 func (b *MessageQueueBroker) BalanceTopics(ctx context.Context, request *mq_pb.BalanceTopicsRequest) (resp *mq_pb.BalanceTopicsResponse, err error) {
-	if !b.lockAsBalancer.IsLocked() {
-		return nil, status.Errorf(codes.Unavailable, "no balancer")
-	}
 	if !b.isLockOwner() {
 		proxyErr := b.withBrokerClient(false, pb.ServerAddress(b.lockAsBalancer.LockOwner()), func(client mq_pb.SeaweedMessagingClient) error {
 			resp, err = client.BalanceTopics(ctx, request)
diff --git a/weed/mq/broker/broker_grpc_configure.go b/weed/mq/broker/broker_grpc_configure.go
index d882eeea7..6a6e92922 100644
--- a/weed/mq/broker/broker_grpc_configure.go
+++ b/weed/mq/broker/broker_grpc_configure.go
@@ -16,10 +16,6 @@ import (
 // It generates an assignments based on existing allocations,
 // and then assign the partitions to the brokers.
 func (b *MessageQueueBroker) ConfigureTopic(ctx context.Context, request *mq_pb.ConfigureTopicRequest) (resp *mq_pb.ConfigureTopicResponse, err error) {
-	if !b.lockAsBalancer.IsLocked() {
-		glog.V(0).Infof("broker %s found balancer:%s, %s isLocked:%v", b.option.BrokerAddress(), pb.ServerAddress(b.lockAsBalancer.LockOwner()), b.lockAsBalancer.LockOwner(), b.lockAsBalancer.IsLocked())
-		return nil, status.Errorf(codes.Unavailable, "no balancer")
-	}
 	if !b.isLockOwner() {
 		proxyErr := b.withBrokerClient(false, pb.ServerAddress(b.lockAsBalancer.LockOwner()), func(client mq_pb.SeaweedMessagingClient) error {
 			resp, err = client.ConfigureTopic(ctx, request)
diff --git a/weed/mq/broker/broker_grpc_lookup.go b/weed/mq/broker/broker_grpc_lookup.go
index 7881090c9..14c1f37da 100644
--- a/weed/mq/broker/broker_grpc_lookup.go
+++ b/weed/mq/broker/broker_grpc_lookup.go
@@ -7,16 +7,11 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/mq/topic"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
 )
 
 // LookupTopicBrokers returns the brokers that are serving the topic
 func (b *MessageQueueBroker) LookupTopicBrokers(ctx context.Context, request *mq_pb.LookupTopicBrokersRequest) (resp *mq_pb.LookupTopicBrokersResponse, err error) {
-	if !b.lockAsBalancer.IsLocked() {
-		return nil, status.Errorf(codes.Unavailable, "no balancer")
-	}
-	if !b.lockAsBalancer.IsLocked() {
+	if !b.isLockOwner() {
 		proxyErr := b.withBrokerClient(false, pb.ServerAddress(b.lockAsBalancer.LockOwner()), func(client mq_pb.SeaweedMessagingClient) error {
 			resp, err = client.LookupTopicBrokers(ctx, request)
 			return nil
@@ -42,9 +37,6 @@ func (b *MessageQueueBroker) LookupTopicBrokers(ctx context.Context, request *mq
 }
 
 func (b *MessageQueueBroker) ListTopics(ctx context.Context, request *mq_pb.ListTopicsRequest) (resp *mq_pb.ListTopicsResponse, err error) {
-	if !b.lockAsBalancer.IsLocked() {
-		return nil, status.Errorf(codes.Unavailable, "no balancer")
-	}
 	if !b.isLockOwner() {
 		proxyErr := b.withBrokerClient(false, pb.ServerAddress(b.lockAsBalancer.LockOwner()), func(client mq_pb.SeaweedMessagingClient) error {
 			resp, err = client.ListTopics(ctx, request)
diff --git a/weed/mq/broker/broker_grpc_pub_balancer.go b/weed/mq/broker/broker_grpc_pub_balancer.go
index 4edceb8a0..2cf90b4bc 100644
--- a/weed/mq/broker/broker_grpc_pub_balancer.go
+++ b/weed/mq/broker/broker_grpc_pub_balancer.go
@@ -9,7 +9,7 @@ import (
 
 // PublisherToPubBalancer receives connections from brokers and collects stats
 func (b *MessageQueueBroker) PublisherToPubBalancer(stream mq_pb.SeaweedMessaging_PublisherToPubBalancerServer) error {
-	if !b.lockAsBalancer.IsLocked() {
+	if !b.isLockOwner() {
 		return status.Errorf(codes.Unavailable, "not current broker balancer")
 	}
 	req, err := stream.Recv()
@@ -35,7 +35,7 @@ func (b *MessageQueueBroker) PublisherToPubBalancer(stream mq_pb.SeaweedMessagin
 		if err != nil {
 			return err
 		}
-		if !b.lockAsBalancer.IsLocked() {
+		if !b.isLockOwner() {
 			return status.Errorf(codes.Unavailable, "not current broker balancer")
 		}
 		if receivedStats := req.GetStats(); receivedStats != nil {
diff --git a/weed/mq/broker/broker_grpc_sub_coordinator.go b/weed/mq/broker/broker_grpc_sub_coordinator.go
index 94bd6b0e2..89c221af5 100644
--- a/weed/mq/broker/broker_grpc_sub_coordinator.go
+++ b/weed/mq/broker/broker_grpc_sub_coordinator.go
@@ -12,7 +12,7 @@ import (
 
 // SubscriberToSubCoordinator coordinates the subscribers
 func (b *MessageQueueBroker) SubscriberToSubCoordinator(stream mq_pb.SeaweedMessaging_SubscriberToSubCoordinatorServer) error {
-	if !b.lockAsBalancer.IsLocked() {
+	if !b.isLockOwner() {
 		return status.Errorf(codes.Unavailable, "not current broker balancer")
 	}
 	req, err := stream.Recv()
@@ -43,7 +43,7 @@ func (b *MessageQueueBroker) SubscriberToSubCoordinator(stream mq_pb.SeaweedMess
 			for i, assignment := range conf.BrokerPartitionAssignments {
 				assignedPartitions[i] = &mq_pb.SubscriberToSubCoordinatorResponse_AssignedPartition{
 					Partition: assignment.Partition,
-					Broker:   assignment.LeaderBroker,
+					Broker:    assignment.LeaderBroker,
 				}
 			}
 			// send partition assignment to subscriber