In order to change the existence of the second sidebar in the yoko theme you must alter the “sidebar.php” file. In that file you will find the two sidebars, one with the div id=secondary (which sits within the “main” box and uses the “sidebar-1” widget area within wordpress) and a second one with the div id=tertiary (which sits outside the main box to the right and uses the “sidebar-2” widget area). If you would like to remove any of these you could just delete the code that calls one or the other. I would recommend deleting the tertiary code.
‘
<div id=”tertiary” class=”widget-area” role=”complementary”>
<?php if ( ! dynamic_sidebar( ‘sidebar-2’ ) ) : ?>
<aside id=”search” class=”widget widget_search”>
<?php get_search_form(); ?>
</aside>
<aside id=”recent-posts” class=”widget widget_recent_entries”>
<h3 class=”widget-title”><?php _e( ‘Recent Posts’, ‘yoko’ ); ?></h3>
<?php wp_get_archives(‘type=postbypost&limit=7’); ?>
</aside>
<aside id=”calendar” class=”widget widget_calendar”>
<h3 class=”widget-title”><?php _e( ‘Calendar’, ‘yoko’ ); ?></h3>
<?php get_calendar(true); ?>
</aside>
<aside id=”calendar” class=”widget widget_links”>
<h3 class=”widget-title”><?php _e( ‘Links’, ‘yoko’ ); ?></h3>
<ul class=”blogroll”>
<?php wp_list_bookmarks(‘title_li=&categorize=0’); ?>
</aside>
<?php endif; // end sidebar 2 widget area ?>’
I would also recommend creating a child theme with a style.css which calls to the style.css within yoko, a page.php (that is a copy of the one in yoko), and a new sidebar.php that is a copy of the one in yoko with the code above removed. This way you can always go back without having to lose anything.