diff --git a/middleware/i18n.go b/middleware/i18n.go
deleted file mode 100644
index f54b4bb5..00000000
--- a/middleware/i18n.go
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2014 beego Author. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Usage:
-//
-// import "github.com/astaxie/beego/middleware"
-//
-// I18N = middleware.NewLocale("conf/i18n.conf", beego.AppConfig.String("language"))
-//
-// more docs: http://beego.me/docs/module/i18n.md
-package middleware
-
-import (
-	"encoding/json"
-	"io/ioutil"
-	"os"
-)
-
-type Translation struct {
-	filepath     string
-	CurrentLocal string
-	Locales      map[string]map[string]string
-}
-
-func NewLocale(filepath string, defaultlocal string) *Translation {
-	file, err := os.Open(filepath)
-	if err != nil {
-		panic("open " + filepath + " err :" + err.Error())
-	}
-	data, err := ioutil.ReadAll(file)
-	if err != nil {
-		panic("read " + filepath + " err :" + err.Error())
-	}
-
-	i18n := make(map[string]map[string]string)
-	if err = json.Unmarshal(data, &i18n); err != nil {
-		panic("json.Unmarshal " + filepath + " err :" + err.Error())
-	}
-	return &Translation{
-		filepath:     filepath,
-		CurrentLocal: defaultlocal,
-		Locales:      i18n,
-	}
-}
-
-func (t *Translation) SetLocale(local string) {
-	t.CurrentLocal = local
-}
-
-func (t *Translation) Translate(key string, local string) string {
-	if local == "" {
-		local = t.CurrentLocal
-	}
-	if ct, ok := t.Locales[key]; ok {
-		if v, o := ct[local]; o {
-			return v
-		}
-	}
-	return key
-}