Tips on Customizing Menukaart – Restaurant Menu & Online Ordering with WooCommerce

How to Hide Menukaart Admin Menus

function plt_hide_menukaart_menus() {
	//Hide "Menukaart".
	remove_menu_page('edit.php?post_type=menukaart');
	//Hide "Menukaart → All Menu Items".
	remove_submenu_page('edit.php?post_type=menukaart', 'edit.php?post_type=menukaart');
	//Hide "Menukaart → Add New Menu Item".
	remove_submenu_page('edit.php?post_type=menukaart', 'post-new.php?post_type=menukaart');
	//Hide "Menukaart → Courses".
	remove_submenu_page('edit.php?post_type=menukaart', 'edit-tags.php?taxonomy=menukaart_courses&post_type=menukaart');
	//Hide "Menukaart → Manage Views".
	remove_submenu_page('edit.php?post_type=menukaart', 'menukaart-manage-views');
	//Hide "Menukaart → Usage & Tutorial".
	remove_submenu_page('edit.php?post_type=menukaart', 'menukaart-get-help');
}

add_action('admin_menu', 'plt_hide_menukaart_menus', 11);

Where do I put this code?

How to Hide the "Menu Item Information" Meta Box

function plt_hide_menukaart_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Menu Item Information" meta box.
	remove_meta_box('menukaart-metaboxes', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_menukaart_metaboxes', 20);