diff --git a/lib/core/blogPost.js b/lib/core/blogPost.js
index d3611ade2f..bc02cbfdc1 100644
--- a/lib/core/blogPost.js
+++ b/lib/core/blogPost.js
@@ -1,4 +1,4 @@
-const React = require('react');
+import React from 'react';
 import blogDatas from '@generated/blogDatas';
 
 // inner blog component for the article itself, without sidebar/header/footer
diff --git a/lib/core/index.js b/lib/core/index.js
index 5f95439fb0..fcda46fd90 100644
--- a/lib/core/index.js
+++ b/lib/core/index.js
@@ -18,9 +18,7 @@ class App extends React.Component {
             {blogDatas.map(({path}) => {
               return (
                 <div key={path}>
-                  <Link to={path}>
-                    {path}
-                  </Link>
+                  <Link to={path}>{path}</Link>
                 </div>
               );
             })}
diff --git a/lib/dev.js b/lib/dev.js
index c0975f7f83..4810e52e5f 100644
--- a/lib/dev.js
+++ b/lib/dev.js
@@ -98,5 +98,4 @@ module.exports = async function dev(sourceDir, cliOptions = {}) {
       }
     }
   );
-  console.log("finish serve");
 };