diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 62c8a44982..e650d08213 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -139,23 +139,21 @@ You can use any editor you like, but if you use [Visual Studio Code](https://cod
 
 To enable correct validation and to fix lint/style errors on save, add this to your VSCode `settings.json`:
 
-<!-- eslint-disable -->
-
 ```json
+{
   "eslint.useFlatConfig": true,
   "css.validate": false,
   "scss.validate": false,
   "stylelint.validate": ["css", "scss"],
   "editor.codeActionsOnSave": {
     "source.fixAll.eslint": true,
-    "source.fixAll.stylelint": true,
+    "source.fixAll.stylelint": true
   },
   "editor.defaultFormatter": "esbenp.prettier-vscode",
-  "editor.formatOnSave": true,
+  "editor.formatOnSave": true
+}
 ```
 
-<!-- eslint-enable -->
-
 </details>
 
 ### Run storybook
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 01aec909b6..f70ef7c709 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -66,6 +66,7 @@ export default tseslint.config(
       react: { version: 'detect' },
     },
     rules: {
+      '@typescript-eslint/consistent-type-definitions': ['error', 'type'],
       'array-callback-return': [
         'error',
         {
@@ -229,8 +230,6 @@ export default tseslint.config(
     rules: {
       ...mdx.flatCodeBlocks.rules,
       '@typescript-eslint/no-unused-vars': 'off',
-      'no-undef': 'off',
-      'react/jsx-no-undef': 'off',
     },
   },
 )
diff --git a/proprietary/react-icons/README.md b/proprietary/react-icons/README.md
index cf5b099ad0..0ba6b47575 100644
--- a/proprietary/react-icons/README.md
+++ b/proprietary/react-icons/README.md
@@ -19,11 +19,12 @@ npm install @amsterdam/design-system-react-icons
 
 Import the component for the icon you need, as well as the generic Icon component, and use them in your JSX.
 
-```ts
-import { Icon } from "@amsterdam/design-system-react";
-import { SearchIcon } from "@amsterdam/design-system-react-icons";
+<!-- prettier-ignore -->
+```tsx
+import { Icon } from "@amsterdam/design-system-react"
+import { SearchIcon } from "@amsterdam/design-system-react-icons"
 
-export const App = () => <Icon svg={SearchIcon} />;
+export const App = () => <Icon svg={SearchIcon} />
 ```
 
 ## Updating