diff --git a/weed/filer2/filer_client_util.go b/weed/filer2/filer_client_util.go
index 1c1fa6a5b..60b4dec18 100644
--- a/weed/filer2/filer_client_util.go
+++ b/weed/filer2/filer_client_util.go
@@ -6,11 +6,9 @@ import (
 	"io"
 	"math"
 	"strings"
-	"sync"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
 func VolumeId(fileId string) string {
@@ -26,70 +24,6 @@ type FilerClient interface {
 	AdjustedUrl(hostAndPort string) string
 }
 
-func ReadIntoBuffer(filerClient FilerClient, fullFilePath FullPath, buff []byte, chunkViews []*ChunkView, baseOffset int64) (totalRead int64, err error) {
-	var vids []string
-	for _, chunkView := range chunkViews {
-		vids = append(vids, VolumeId(chunkView.FileId))
-	}
-
-	vid2Locations := make(map[string]*filer_pb.Locations)
-
-	err = filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
-
-		glog.V(4).Infof("read fh lookup volume id locations: %v", vids)
-		resp, err := client.LookupVolume(context.Background(), &filer_pb.LookupVolumeRequest{
-			VolumeIds: vids,
-		})
-		if err != nil {
-			return err
-		}
-
-		vid2Locations = resp.LocationsMap
-
-		return nil
-	})
-
-	if err != nil {
-		return 0, fmt.Errorf("failed to lookup volume ids %v: %v", vids, err)
-	}
-
-	var wg sync.WaitGroup
-	for _, chunkView := range chunkViews {
-		wg.Add(1)
-		go func(chunkView *ChunkView) {
-			defer wg.Done()
-
-			glog.V(4).Infof("read fh reading chunk: %+v", chunkView)
-
-			locations := vid2Locations[VolumeId(chunkView.FileId)]
-			if locations == nil || len(locations.Locations) == 0 {
-				glog.V(0).Infof("failed to locate %s", chunkView.FileId)
-				err = fmt.Errorf("failed to locate %s", chunkView.FileId)
-				return
-			}
-
-			volumeServerAddress := filerClient.AdjustedUrl(locations.Locations[0].Url)
-			var n int64
-			n, err = util.ReadUrl(fmt.Sprintf("http://%s/%s", volumeServerAddress, chunkView.FileId), chunkView.CipherKey, chunkView.isGzipped, chunkView.IsFullChunk, chunkView.Offset, int(chunkView.Size), buff[chunkView.LogicOffset-baseOffset:chunkView.LogicOffset-baseOffset+int64(chunkView.Size)])
-
-			if err != nil {
-
-				glog.V(0).Infof("%v read http://%s/%v %v bytes: %v", fullFilePath, volumeServerAddress, chunkView.FileId, n, err)
-
-				err = fmt.Errorf("failed to read http://%s/%s: %v",
-					volumeServerAddress, chunkView.FileId, err)
-				return
-			}
-
-			glog.V(4).Infof("read fh read %d bytes: %+v", n, chunkView)
-			totalRead += n
-
-		}(chunkView)
-	}
-	wg.Wait()
-	return
-}
-
 func GetEntry(filerClient FilerClient, fullFilePath FullPath) (entry *filer_pb.Entry, err error) {
 
 	dir, name := fullFilePath.DirAndName()