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<?php

// hide blue ridge sauna from appearing on the  site
function hide_saunas( $query ) {
    // blue ridge sauna custom post type post id is 5751
    if ( $query->is_archive() && !is_admin() ) { 
    	$query->set( 'post__not_in', array(5751) ); 
    }
} add_action( 'pre_get_posts', 'hide_saunas' );

?>