False positives on Webform hooks

I receive following errors for my module:

Review of the 6.x-1.x branch:

• ./components/ssn.inc: all functions should be prefixed with your module/theme name to avoid name clashes. See http://drupal.org/node/318#naming
  

  function _webform_defaults_ssn() {
  function _webform_theme_ssn() {
  function _webform_edit_ssn($component) {
  function _webform_render_ssn($component, $value = NULL, $filter = TRUE) {
  function _webform_display_ssn($component, $value, $format = 'html') {
  function _webform_submit_ssn($component, $value) {
  function _webform_analysis_ssn($component, $sids = array()) {
  function _webform_table_ssn($component, $value) {
  function _webform_csv_headers_ssn($component, $export_options) {
  function _webform_csv_data_ssn($component, $export_options, $value) {
  

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According to Webform API:

These are not actual hooks, but instead samples of how Webform integrates with its own built-in components.