barebone custom post type

functions.php

<?php
register_post_type( 'courses',
			array(
				'labels' => array(
					'name' => __( 'Courses' ),
					'singular_name' => __( 'Course' )
				),
			'public' => true,
			'has_archive' => false,
			'exclude_from_search' => true,
			'publicly_queryable' => false,
			'show_in_nav_menus' => false
			)
		);
		add_post_type_support( 'courses' ,
			array(
				'title',
				'editor',
				'excerpt',
				'revisions'
			)
		);