When you deactivate Yoast SEO via the WordPress admin plugins page, it does not clean up your WordPress database. In case you like to keep your database nice and tidy, Uninstall Yoast SEO is the plugin you need!

Uninstall Yoast SEO deactivates Yoast SEO, in case you haven't deactivated Yoast SEO already, and then it deletes all database entries related to Yoast SEO. Which leaves you with a clean database.

1. Upload the uninstall-yoast-seo folder to the /wp-content/plugins/ directory
2. Activate the Uninstall Yoast SEO plugin through the 'Plugins' menu in WordPress
3. Delete the Yoast SEO & Uninstall Yoast SEO plugin files from your server