WP Admin UI PRO is required. You can go PRO here.

Metaboxes settings

To hide from WordPress, a metabox, go to WP Admin UI, Metaboxes.

You must first generate a list of all the metaboxes present on your site.

To do this, click the Refresh button.

Wait a few moments to see the list of metaboxes sorted by custom post types.

To hide a metabox, simply check its associated box.

WP Admin UI - Metaboxes settings
WP Admin UI – Metaboxes settings

Don’t forget to click Save changes.