diff --git a/.eslintrc.js b/.eslintrc.js
index cd3cc9c..64231b5 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,16 +1,10 @@
 module.exports = {
   root: true,
-  plugins: [
-    // plugins has no priority.
-    'import',
-    'prettier',
-  ],
   extends: [
     // extends has priority. Last index has the highest priority.
     'eslint:recommended',
     'plugin:import/recommended',
     'airbnb-base',
-    'plugin:prettier/recommended',
     'prettier',
   ],
   env: {