Remove search box [Esplanade]

I successfully removed the Search box from my Esplanade header by deleting (I know I should have ‘commented out’) <?php get_search_form(); ?> in header.php but my menu links are still wrapping around to a second line as though the search box were still there. I would very much appreciate it if someone would summarize for a ‘casual’ user what I need to do to get the menu to use the whole header width. Thanks in advance.