Removing the meta box on custom post types

Im trying to remove the Header meta box from some custom post types where it doesn’t make sense to have that feature but im having problem sorting that out.

Following a topic i’ve found in this issues list, I’ve applied the following:

function mw_remove_header_meta_box()
{
    remove_meta_box( 'wp-display-header', 'wc_booking' );
}
add_action( 'add_meta_box', 'mw_remove_header_meta_box', 11 );

Im pretty sure the post type name is correct, but still this code makes no effect. Any tips?

https://www.ads-software.com/plugins/wp-display-header/