Same name and namespace in other branches
  1. 10 core/lib/Drupal/Core/Extension/module.api.php \hook_uninstall()
  2. 5.x developer/hooks/install.php \hook_uninstall()
  3. 7.x modules/system/system.api.php \hook_uninstall()
  4. 8.9.x core/lib/Drupal/Core/Extension/module.api.php \hook_uninstall()
  5. 9 core/lib/Drupal/Core/Extension/module.api.php \hook_uninstall()

Remove any information that the module sets.

The information that the module should remove includes:

  • Variables that the module has set using variable_set().
  • Modifications to existing tables.
  • Database tables the module created.

The uninstall hook must be implemented in the module's .install file. It will fire when the module gets uninstalled.

Related topics

19 functions implement hook_uninstall()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

aggregator_uninstall in modules/aggregator/aggregator.install
Implementation of hook_uninstall().
blogapi_uninstall in modules/blogapi/blogapi.install
Implementation of hook_uninstall().
book_uninstall in modules/book/book.install
Implementation of hook_uninstall().
contact_uninstall in modules/contact/contact.install
Implementation of hook_uninstall().
dblog_uninstall in modules/dblog/dblog.install
Implementation of hook_uninstall().

... See full list

File

developer/hooks/install.php, line 325
Documentation for the installation and update system.

Code

function hook_uninstall() {
  drupal_uninstall_schema('upload');
  variable_del('upload_file_types');
}