diff --git a/core/modules/locale/locale.api.php b/core/modules/locale/locale.api.php
index 90a9010..c5d6823 100644
--- a/core/modules/locale/locale.api.php
+++ b/core/modules/locale/locale.api.php
@@ -173,53 +173,6 @@ function hook_language_fallback_candidates_alter(array &$fallback_candidates) {
   $fallback_candidates = array_reverse($fallback_candidates);
 }
 
- /**
- * React to a language about to be added or updated in the system.
- *
- * @param $language
- *   A language object.
- */
-function hook_locale_language_presave($language) {
-  if ($language->default) {
-    // React to a new default language.
-    example_new_default_language($language);
-  }
-}
-
-/**
- * React to a language that was just added to the system.
- *
- * @param $language
- *   A language object.
- */
-function hook_locale_language_insert($language) {
-  example_refresh_permissions();
-}
-
-/**
- * React to a language that was just updated in the system.
- *
- * @param $language
- *   A language object.
- */
-function hook_locale_language_update($language) {
-  example_refresh_permissions();
-}
-
-/**
- * Allow modules to react before the deletion of a language.
- *
- * @param $language
- *   The language object of the language that is about to be deleted.
- */
-function hook_locale_language_delete($language) {
-  // On nodes with this language, unset the language
-  db_update('node')
-    ->fields(array('language' => ''))
-    ->condition('language', $language->langcode)
-    ->execute();
-}
-
 /**
  * @} End of "addtogroup hooks".
  */