Disable Auto Save WordPress

disableautosave.php

<?php

// Don't copy the PHP tag

/**
 * Dequeue the Auto Save script in the admin.
 *
 * Hooked to the admin_enqueue_scripts action, with a late priority (100),
 * so that it is after the script was enqueued.
 */
function sfws_dequeue_script() {
  wp_dequeue_script('autosave');
}
add_action( 'admin_enqueue_scripts', 'sfws_dequeue_script', 100 );