function plt_hide_woocommerce_currency_switcher_metaboxes() {
$screen = get_current_screen();
if ( !$screen ) {
return;
}
//Hide the "FOX Order Info" meta box.
remove_meta_box('woocs_order_metabox_wcs', $screen->id, 'side');
}
add_action('add_meta_boxes', 'plt_hide_woocommerce_currency_switcher_metaboxes', 20);