remove_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 );
remove_action( 'wp_head', 'rsd_link' );
remove_action( 'wp_head', 'wlwmanifest_link' );
remove_action( 'wp_head', 'feed_links_extra', 3 ); 
remove_action( 'wp_head', 'wp_generator' ); 
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 );

add_filter('xmlrpc_enabled', '__return_false');
add_filter('the_generator', 'remove_wp_version');