diff --git a/src/components/HeaderSearch/index.vue b/src/components/HeaderSearch/index.vue
index 900f746c..643d498c 100644
--- a/src/components/HeaderSearch/index.vue
+++ b/src/components/HeaderSearch/index.vue
@@ -37,15 +37,9 @@ export default {
   computed: {
     routes() {
       return this.$store.getters.permission_routes
-    },
-    lang() {
-      return this.$store.getters.language
     }
   },
   watch: {
-    lang() {
-      this.searchPool = this.generateRoutes(this.routes)
-    },
     routes() {
       this.searchPool = this.generateRoutes(this.routes)
     },
diff --git a/src/components/Tinymce/index.vue b/src/components/Tinymce/index.vue
index 3d6dba2b..25809279 100644
--- a/src/components/Tinymce/index.vue
+++ b/src/components/Tinymce/index.vue
@@ -55,21 +55,12 @@ export default {
       }
     }
   },
-  computed: {
-    language() {
-      return this.languageTypeList[this.$store.getters.language]
-    }
-  },
   watch: {
     value(val) {
       if (!this.hasChange && this.hasInit) {
         this.$nextTick(() =>
           window.tinymce.get(this.tinymceId).setContent(val || ''))
       }
-    },
-    language() {
-      this.destroyTinymce()
-      this.$nextTick(() => this.initTinymce())
     }
   },
   mounted() {
@@ -88,7 +79,6 @@ export default {
     initTinymce() {
       const _this = this
       window.tinymce.init({
-        language: this.language,
         selector: `#${this.tinymceId}`,
         height: this.height,
         body_class: 'panel-body ',
diff --git a/src/store/getters.js b/src/store/getters.js
index 3fb5b068..71f9da26 100644
--- a/src/store/getters.js
+++ b/src/store/getters.js
@@ -1,6 +1,5 @@
 const getters = {
   sidebar: state => state.app.sidebar,
-  language: state => state.app.language,
   size: state => state.app.size,
   device: state => state.app.device,
   visitedViews: state => state.tagsView.visitedViews,
diff --git a/src/store/modules/app.js b/src/store/modules/app.js
index 84875dd6..45d89bb9 100644
--- a/src/store/modules/app.js
+++ b/src/store/modules/app.js
@@ -6,7 +6,6 @@ const state = {
     withoutAnimation: false
   },
   device: 'desktop',
-  language: Cookies.get('language') || 'en',
   size: Cookies.get('size') || 'medium'
 }
 
@@ -28,10 +27,6 @@ const mutations = {
   TOGGLE_DEVICE: (state, device) => {
     state.device = device
   },
-  SET_LANGUAGE: (state, language) => {
-    state.language = language
-    Cookies.set('language', language)
-  },
   SET_SIZE: (state, size) => {
     state.size = size
     Cookies.set('size', size)
@@ -48,9 +43,6 @@ const actions = {
   toggleDevice({ commit }, device) {
     commit('TOGGLE_DEVICE', device)
   },
-  setLanguage({ commit }, language) {
-    commit('SET_LANGUAGE', language)
-  },
   setSize({ commit }, size) {
     commit('SET_SIZE', size)
   }
diff --git a/src/utils/i18n.js b/src/utils/i18n.js
deleted file mode 100644
index 76be5a4e..00000000
--- a/src/utils/i18n.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// translate router.meta.title, be used in breadcrumb sidebar tagsview
-export function generateTitle(title) {
-  const hasKey = this.$te('route.' + title)
-
-  if (hasKey) {
-    // $t :this method from vue-i18n, inject in @/lang/index.js
-    const translatedTitle = this.$t('route.' + title)
-
-    return translatedTitle
-  }
-  return title
-}
diff --git a/src/views/components-demo/markdown.vue b/src/views/components-demo/markdown.vue
index 8483a470..e9796a4b 100644
--- a/src/views/components-demo/markdown.vue
+++ b/src/views/components-demo/markdown.vue
@@ -79,7 +79,7 @@ export default {
   },
   computed: {
     language() {
-      return this.languageTypeList[this.$store.getters.language]
+      return this.languageTypeList['en']
     }
   },
   methods: {