In Next.js, when you generate pages using the getStaticProps, getServerSideProps, or getInitialProps functions, the pages are automatically stored in the .next directory during the build process. If you want to remove old generated pages, you can use the next build command with the --clean flag to delete the previous build output before creating a new one.

Here's how you can remove old generated pages in Next.js:

  1. Build with Clean Option: Open a terminal or command prompt and navigate to your Next.js project directory. Then, run the following command:
bash
next build --clean

The --clean flag tells Next.js to delete the .next directory before starting the build process.

  1. Manually Delete .next Directory: If you prefer to remove the old generated pages manually, you can delete the .next directory in your project folder.

Before proceeding with either of these steps, ensure that you have no need for the previously generated pages, as deleting them will remove the old build artifacts, and they won't be accessible anymore.

Once you've removed the old generated pages, you can create new ones by running the development server or building the Next.js project again. For development, use the following command:

bash
next dev

For production, use the following command:

bash
next start

Keep in mind that Next.js will automatically generate new pages during development and production based on the defined data fetching functions (getStaticProps, getServerSideProps, or getInitialProps) in your page components.

Remember to be cautious when removing old generated pages, especially if your website relies on Search Engine Optimization (SEO) or if there are any critical data dependencies. Removing old pages can lead to broken links or temporary loss of data until the new pages are generated. Always make sure to test your application thoroughly after making changes to ensure everything is working as expected.

Have questions or queries?
Get in Touch