# @babel/plugin-transform-react-pure-annotations > Mark top-level React method calls as pure for tree shaking See our website [@babel/plugin-transform-react-pure-annotations](https://babeljs.io/docs/en/babel-plugin-transform-react-pure-annotations) for more information. ## Install Using npm: ```sh npm install --save-dev @babel/plugin-transform-react-pure-annotations ``` or using yarn: ```sh yarn add @babel/plugin-transform-react-pure-annotations --dev ```