Disable standard widgets
<?php
//* Do NOT include the opening php tag shown above. Copy the code shown below.
<!--
If you want to keep widgets out of client’s hands you can use this snippet:
-->
<?php
function unregister_default_wp_widgets() {
unregister_widget('WP_Widget_Calendar');
unregister_widget('WP_Widget_Search');
unregister_widget('WP_Widget_Recent_Comments');
}
add_action('widgets_init', 'unregister_default_wp_widgets', 1);
?>