Sidebars
<?php
//* Do NOT include the opening php tag shown above. Copy the code shown below.
<!-- Below is the code to unregister the primary sidebar: -->
//* Unregister primary sidebar
unregister_sidebar( 'sidebar' );
<!-- Below is the code to unregister the secondary sidebar: -->
//* Unregister secondary sidebar
unregister_sidebar( 'sidebar-alt' );