Remove Private/Protected from Post Titles

For the functions.php file in your theme:

function the_title_trim($title) {

	$title = attribute_escape($title);

	$findthese = array(
		'#Protected:#',
		'#Private:#'
	);

	$replacewith = array(
		'', // What to replace "Protected:" with
		'' // What to replace "Private:" with
	);

	$title = preg_replace($findthese, $replacewith, $title);
	return $title;
}
add_filter('the_title', 'the_title_trim');