diff --git a/weed/mq/client/pub_client/connect.go b/weed/mq/client/pub_client/connect.go
deleted file mode 100644
index 045c9593c..000000000
--- a/weed/mq/client/pub_client/connect.go
+++ /dev/null
@@ -1,71 +0,0 @@
-package pub_client
-
-import (
-	"context"
-	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/pb"
-	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
-	"log"
-)
-
-// broker => publish client
-// send init message
-// save the publishing client
-func (p *TopicPublisher) doConnect(partition *mq_pb.Partition, brokerAddress string) (publishClient *PublishClient, err error) {
-	log.Printf("connecting to %v for topic partition %+v", brokerAddress, partition)
-
-	grpcConnection, err := pb.GrpcDial(context.Background(), brokerAddress, true, p.grpcDialOption)
-	if err != nil {
-		return publishClient, fmt.Errorf("dial broker %s: %v", brokerAddress, err)
-	}
-	brokerClient := mq_pb.NewSeaweedMessagingClient(grpcConnection)
-	stream, err := brokerClient.PublishMessage(context.Background())
-	if err != nil {
-		return publishClient, fmt.Errorf("create publish client: %v", err)
-	}
-	publishClient = &PublishClient{
-		SeaweedMessaging_PublishMessageClient: stream,
-		Broker:                         brokerAddress,
-	}
-	if err = publishClient.Send(&mq_pb.PublishMessageRequest{
-		Message: &mq_pb.PublishMessageRequest_Init{
-			Init: &mq_pb.PublishMessageRequest_InitMessage{
-				Topic: p.config.Topic.ToPbTopic(),
-				Partition: &mq_pb.Partition{
-					RingSize:   partition.RingSize,
-					RangeStart: partition.RangeStart,
-					RangeStop:  partition.RangeStop,
-					UnixTimeNs: partition.UnixTimeNs,
-				},
-				AckInterval: 128,
-			},
-		},
-	}); err != nil {
-		return publishClient, fmt.Errorf("send init message: %v", err)
-	}
-	resp, err := stream.Recv()
-	if err != nil {
-		return publishClient, fmt.Errorf("recv init response: %v", err)
-	}
-	if resp.Error != "" {
-		return publishClient, fmt.Errorf("init response error: %v", resp.Error)
-	}
-
-	go func() {
-		for {
-			_, err := publishClient.Recv()
-			if err != nil {
-				e, ok := status.FromError(err)
-				if ok && e.Code() == codes.Unknown && e.Message() == "EOF" {
-					return
-				}
-				publishClient.Err = err
-				fmt.Printf("publish to %s error: %v\n", publishClient.Broker, err)
-				return
-			}
-		}
-	}()
-	return publishClient, nil
-}