Wordpress Body Class Cleanup Removes some of the rerely used classes output by Wordpresses body_class function in order to cut down on markup

functions.php

function cleanup_post_class( $classes, $class, $post_id ) {
	foreach($classes as $key => $class):
		if(preg_match('/(^tag)|(^post)|(hentry)|(uncategorized)|(status)/', $class)) unset($classes[$key]);
	endforeach;
	$classes[] = 'post-'.$post_id;
	return $classes;
}
add_filter('post_class', 'cleanup_post_class', 10 , 3);