diff --git a/go/storage/needle.go b/go/storage/needle.go
index d775c55fb..6636c342c 100644
--- a/go/storage/needle.go
+++ b/go/storage/needle.go
@@ -16,7 +16,6 @@ import (
 	"github.com/chrislusf/seaweedfs/go/glog"
 	"github.com/chrislusf/seaweedfs/go/images"
 	"github.com/chrislusf/seaweedfs/go/operation"
-	"github.com/chrislusf/seaweedfs/go/util"
 )
 
 const (
diff --git a/go/storage/needle_read_write.go b/go/storage/needle_read_write.go
index d9b5c5099..751c6d797 100644
--- a/go/storage/needle_read_write.go
+++ b/go/storage/needle_read_write.go
@@ -238,7 +238,8 @@ func (n *Needle) ReadNeedleBody(r *os.File, version Version, offset int64, bodyL
 		}
 		n.Data = bytes[:n.Size]
 		n.Checksum = NewCRC(n.Data)
-		checksum := util.BytesToUint32(bytes[n.Size : n.Size+NeedleChecksumSize])
+		checksum := binary.BigEndian.Uint32(bytes[n.Size : n.Size+NeedleChecksumSize])
+
 		if n.Checksum.Value() != checksum {
 			glog.V(0).Infof("CRC error! Data On Disk Corrupted, needle id = %x", n.Id)
 		}
@@ -252,7 +253,7 @@ func (n *Needle) ReadNeedleBody(r *os.File, version Version, offset int64, bodyL
 			return
 		}
 		n.Checksum = NewCRC(n.Data)
-		checksum := util.BytesToUint32(bytes[n.Size : n.Size+NeedleChecksumSize])
+		checksum := binary.BigEndian.Uint32(bytes[n.Size : n.Size+NeedleChecksumSize])
 		if n.Checksum.Value() != checksum {
 			glog.V(0).Infof("CRC error! Data On Disk Corrupted, needle id = %x", n.Id)
 		}
diff --git a/go/storage/volume_replicate.go b/go/storage/volume_replicate.go
index 00b9cd14e..e85bdc417 100644
--- a/go/storage/volume_replicate.go
+++ b/go/storage/volume_replicate.go
@@ -6,7 +6,7 @@ import (
 	"sort"
 	"sync"
 
-	"github.com/chrislusf/seaweedfs/go/util"
+	"encoding/binary"
 )
 
 type DirtyData struct {
@@ -39,9 +39,9 @@ func ScanDirtyData(indexFileContent []byte) (dirtys DirtyDatas) {
 	m := NewCompactMap()
 	for i := 0; i+16 <= len(indexFileContent); i += 16 {
 		bytes := indexFileContent[i : i+16]
-		key := util.BytesToUint64(bytes[:8])
-		offset := util.BytesToUint32(bytes[8:12])
-		size := util.BytesToUint32(bytes[12:16])
+		key := binary.BigEndian.Uint64(bytes[:8])
+		offset := binary.BigEndian.Uint32(bytes[8:12])
+		size := binary.BigEndian.Uint32(bytes[12:16])
 		k := Key(key)
 		if offset != 0 && size != 0 {
 			m.Set(k, offset, size)