Remove categories from onsale page

add_action( 'woocommerce_product_query', 'custom_remove_category_from_sale_page',99 );
function custom_remove_category_from_sale_page($q){
    global $wp_query;
        if($wp_query->is_sale_page) {
            $taxquery = $q->get( 'tax_query' );
            if ( ! is_array( $taxquery ) ) {
                $taxquery = array();
            }
            $taxquery []=
            array(
                'taxonomy' => 'product_cat',
                'field' => 'term_id',
                'terms' => array( 12 ),
                'operator'=> 'NOT IN'
            );
            $q->set( 'tax_query', $taxquery );

        }
}