Remove LI Elements From Output of wp_nav_menu
<?php $menuParameters = array(
// @see http://css-tricks.com/snippets/wordpress/remove-li-elements-from-output-of-wp_nav_menu/
'menu' => 'Top Menu',
'container' => false,
'echo' => false,
'items_wrap' => '%3$s',
'depth' => 0);
echo strip_tags(wp_nav_menu( $menuParameters ), '<a>');
?>