Remove Support for Specific Post Type Features

You may want to remove support for specific post type features from your post editing section in WordPress. Every feature has a code that is given below to help with removing the support.

Instructions: Add the following code to the functions.php file of your WordPress theme.
You need to change the word ‘post’ to anything you like including a custom post type name or the default post, page.

    //'title'  (Post Title)
    //'editor' (content)
    //'author'  (Author controls)
    //'thumbnail' (featured image) (current theme must also support Post Thumbnails)
    //'excerpt'   (Excerpt functionality)
    //'trackbacks' (Options)
    //'custom-fields' (Custom Fields)
    //'comments' (also will see comment count balloon on edit screen)
    //'revisions' (will store revisions)
    //'page-attributes' (template and menu order) (hierarchical must be true)

add_action( 'admin_init', 'wps_cpt_support' );
function wps_cpt_support() {
	remove_post_type_support( 'post', 'title' );
	remove_post_type_support( 'post', 'comments' );
}

You may also enjoy Social by MailChimp Broadcast custom post type.