Wordpress: remove 'media' and 'tool' menu

gistfile1

/* Remove 'Media' and 'Tool' menus for non admin users *******************************************
** http://www.instantshift.com/2012/03/06/21-most-useful-wordpress-admin-page-hacks/ ********** */
/* !관리자외 미디어 메뉴 삭제 ********************************************************************** */
add_action( 'admin_menu', 'remove_links_menu' );
function remove_links_menu() {
	//if (!current_user_can('manage_options')) { // if user is below Administrator level
		remove_menu_page('upload.php'); // Media
		remove_menu_page('tools.php'); // Tools
		remove_menu_page('link-manager.php'); // Tools
	//}
}