Here’s a good solution posted over at .org
http://wordpress.org/support/topic/remove-home-from-menu-1#post-2215239
You can remove the “Home” link using a filter. Add this to your Theme’s functions.php file:
function mytheme_nav_menu_args( $args ) { $args['show_home'] = false; return $args; }
add_filter( ‘wp_nav_menu_args’, ‘mytheme_nav_menu_args’ );
And if you want to remove the “Home” link from the default fallback menu, add another filter:
add_filter( 'wp_page_menu_args', 'mytheme_nav_menu_args' );