Remove custom sidebar based on membership level.

hide-sidebar-from-member.php

<?php
/**
 * Remove custom sidebar based on user's membership level.
 * Add this code to your PMPro Customizations Plugin -
 */

function my_pmpro_hide_sidebar_from_members(){
	if ( ! pmpro_hasMembershipLevel( 1 ) ) {
		unregister_sidebar( 'my-sidebar-id' );
	}
}
add_action( 'init', 'my_pmpro_hide_sidebar_from_members' );