diff --git a/README.md b/README.md
index 32c966ce..952b135a 100644
--- a/README.md
+++ b/README.md
@@ -883,6 +883,30 @@ Other Style Guides
     }
     ```
 
+  - [9.5](#9.5) <a name='9.5'></a> Classes have a default constructor if one is not specified. An empty constructor function or one that just delegates to a parent class is unnecessary.
+
+    ```javascript
+    // bad
+    class Jedi {
+      constructor() {}
+
+      getName() {
+        return this.name;
+      }
+    }
+
+    // good
+    class Rey extends Jedi {
+      constructor(...args) {
+        super(...args);
+      }
+
+      getName() {
+        return this.name;
+      }
+    }
+    ```
+
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diff --git a/packages/eslint-config-airbnb/rules/es6.js b/packages/eslint-config-airbnb/rules/es6.js
index 08b58891..f55d6b9b 100644
--- a/packages/eslint-config-airbnb/rules/es6.js
+++ b/packages/eslint-config-airbnb/rules/es6.js
@@ -34,6 +34,9 @@ module.exports = {
     'no-this-before-super': 0,
     // require let or const instead of var
     'no-var': 2,
+    // disallow unnecessary constructor
+    // http://eslint.org/docs/rules/no-useless-constructor
+    'no-useless-constructor': 2,
     // require method and property shorthand syntax for object literals
     // https://github.com/eslint/eslint/blob/master/docs/rules/object-shorthand.md
     'object-shorthand': [2, 'always'],