Testing of this plugin has been temporarily suspended due to an error. It will automatically resume when a new plugin version is released.
function plt_hide_append_or_prepend_content_menus() {
//Hide the "Settings → Append or Prepend Content" menu.
remove_submenu_page('options-general.php', 'edit.php?post_type=append_or_prepend');
}
add_action('admin_menu', 'plt_hide_append_or_prepend_content_menus', 11);