Tips on Customizing Custom Field Suite

How to Hide Custom Field Suite Admin Menus

function plt_hide_custom_field_suite_menus() {
	//Hide the "Tools → CFS Tools" menu.
	remove_submenu_page('tools.php', 'cfs-tools');
	//Hide the "Settings → Custom Field Suite" menu.
	remove_submenu_page('options-general.php', 'edit.php?post_type=cfs');

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

Where do I put this code?

How to Hide Custom Field Suite Meta Boxes

function plt_hide_custom_field_suite_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {

	//Hide the "Fields" meta box.
	remove_meta_box('cfs_fields', $screen->id, 'normal');
	//Hide the "Placement Rules" meta box.
	remove_meta_box('cfs_rules', $screen->id, 'normal');
	//Hide the "Extras" meta box.
	remove_meta_box('cfs_extras', $screen->id, 'normal');

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