Wordpress: Remove unnecessary Headlinks

functions.php

/* !-------- REMOVE UNNECESSARY HEADLINKS ------------------- */
/*------------------------------------------------------------ */
function bb_remove_headlinks() {
	// remove simple discovery link
	remove_action('wp_head', 'rsd_link');
	// remove windows live writer link
	remove_action('wp_head', 'wlwmanifest_link');
	// remove the version number
	remove_action('wp_head', 'wp_generator');
	remove_action('wp_head', 'start_post_rel_link');
	remove_action('wp_head', 'index_rel_link');
}

add_action( 'init', 'bb_remove_headlinks' );