functions.php

<?php

//* Remove the post meta function
remove_action( 'genesis_after_post_content', 'genesis_post_meta' );


add_action( 'pre_get_posts', 'be_exclude_category_from_blog' );
/**
* Exclude Category from Blog
*
* @author Bill Erickson
* @link http://www.billerickson.net/customize-the-wordpress-query/
* @param object $query data
*
*/
function be_exclude_category_from_blog( $query ) {
if( $query-&gt;is_main_query() &amp;&amp; $query-&gt;is_archive() ) {
$query = new WP_Query( 'cat=-12,-34,-47' );
}
}