diff --git a/app/.eslintrc.json b/app/.eslintrc.json
index 83d607f..97d067b 100644
--- a/app/.eslintrc.json
+++ b/app/.eslintrc.json
@@ -19,6 +19,8 @@
         "prettier"
     ],
     "rules": {
-        "prettier/prettier": ["error"]
+        "prettier/prettier": ["error"],
+        "no-unused-expressions": ["error", { "allowShortCircuit": true, "allowTernary": true }],
+        "no-console": ["error", { "allow": ["warn", "error"] }]
     }
 }
diff --git a/app/index.js b/app/index.js
index 305459e..9330fec 100644
--- a/app/index.js
+++ b/app/index.js
@@ -1,5 +1,3 @@
-/* eslint no-console: ["error", { allow: ["warn", "error"] }] */
-/* jshint esversion: 6, asi: true, node: true */
 /*
  * index.js
  *
diff --git a/app/server/expressOptions.js b/app/server/expressOptions.js
index 953fbf9..e53118a 100644
--- a/app/server/expressOptions.js
+++ b/app/server/expressOptions.js
@@ -1,3 +1,4 @@
+// expressOptions.js
 module.exports = {
   dotfiles: 'ignore',
   etag: false,
diff --git a/app/server/socket.js b/app/server/socket.js
index 3c5ef3a..79cec16 100644
--- a/app/server/socket.js
+++ b/app/server/socket.js
@@ -1,7 +1,3 @@
-/* eslint-disable complexity */
-/* eslint no-unused-expressions: ["error", { "allowShortCircuit": true, "allowTernary": true }],
-   no-console: ["error", { allow: ["warn", "error"] }] */
-/* jshint esversion: 6, asi: true, node: true */
 // socket.js
 
 // private
diff --git a/app/server/util.js b/app/server/util.js
index 5c56c67..0d1eaa8 100644
--- a/app/server/util.js
+++ b/app/server/util.js
@@ -1,4 +1,3 @@
-/* jshint esversion: 6, asi: true, node: true */
 // util.js
 
 // private