Some of you may be getting problem with removing or re-positioning of nav and sub-nav. For this you may seen hooks available on genesis or google search result.
remove_action( 'genesis_after_header', 'genesis_do_subnav' ); add_action( 'genesis_before_header', 'genesis_do_subnav' );
But these hooks don;t work in some child themes directly. Its because of their wrong use. You can use these hook only in wp_head hook. For this you have to use wp_head Hook like this