diff --git a/src/content/index.js b/src/content/index.js
index 921469d..9ef62e8 100644
--- a/src/content/index.js
+++ b/src/content/index.js
@@ -2,9 +2,6 @@ import React from "react";
 import ReactDOM from "react-dom";
 import browser from "webextension-polyfill";
 import TranslateContainer from "./components/TranslateContainer";
-import log from "loglevel";
-
-const logDir = "constent/index";
 
 let isEnabled = true;
 const handleMessage = async request => {
@@ -32,7 +29,6 @@ browser.runtime.onMessage.addListener(handleMessage);
 const removeElement = () => {
   const element = document.getElementById("simple-translate");
   if (!element) return;
-  log.log(logDir, "removeElement()");
 
   ReactDOM.unmountComponentAtNode(element);
   element.parentNode.removeChild(element);
@@ -43,7 +39,6 @@ let isFirst = true;
 const insertElement = () => {
   const element = document.getElementById("simple-translate");
   if (element) return;
-  log.log(logDir, "insertElement()");
 
   document.body.insertAdjacentHTML("beforeend", "<div id='simple-translate'></div>");
   ReactDOM.render(