diff --git a/weed/filer/stream.go b/weed/filer/stream.go
index 70a278ca5..880cb100e 100644
--- a/weed/filer/stream.go
+++ b/weed/filer/stream.go
@@ -3,16 +3,13 @@ package filer
 import (
 	"bytes"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/chrislusf/seaweedfs/weed/wdclient"
 	"io"
 	"math"
 	"strings"
-	"time"
-
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/stats"
-	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/chrislusf/seaweedfs/weed/wdclient"
 )
 
 func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, chunks []*filer_pb.FileChunk, offset int64, size int64) error {
@@ -38,20 +35,15 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, w io.Writer, c
 	for _, chunkView := range chunkViews {
 
 		urlStrings := fileId2Url[chunkView.FileId]
-		start := time.Now()
 		data, err := retriedFetchChunkData(urlStrings, chunkView.CipherKey, chunkView.IsGzipped, chunkView.IsFullChunk(), chunkView.Offset, int(chunkView.Size))
-		stats.FilerRequestHistogram.WithLabelValues("chunkDownload").Observe(time.Since(start).Seconds())
 		if err != nil {
-			stats.FilerRequestCounter.WithLabelValues("chunkDownloadError").Inc()
 			return fmt.Errorf("read chunk: %v", err)
 		}
 
 		_, err = w.Write(data)
 		if err != nil {
-			stats.FilerRequestCounter.WithLabelValues("chunkDownloadedError").Inc()
 			return fmt.Errorf("write chunk: %v", err)
 		}
-		stats.FilerRequestCounter.WithLabelValues("chunkDownload").Inc()
 	}
 
 	return nil