How to Disable Post Revisions in WordPress and Reduce Database Size




Open wp-config.php located in your WordPress root directory and add the following code:

define('AUTOSAVE_INTERVAL', 300 ); // seconds
define('WP_POST_REVISIONS', false );

This code will disable all future revisions to be saved and it will also increase your autosave interval from 60 seconds to 300 seconds, so it means your post will be autosaving every 5 minute instead of every minute.

The above code, will not delete your past revisions that are already saved in your database. To delete all previous revisions, you will need to visit PHPMyAdmin and run the following SQL query.

DELETE FROM wp_posts WHERE post_type = "revision";





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