diff --git a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_32.rst b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_32.rst
index bae206cd649..7cec684adbe 100644
--- a/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_32.rst
+++ b/developer_manual/app_publishing_maintenance/app_upgrade_guide/upgrade_to_32.rst
@@ -57,6 +57,8 @@ Deprecated APIs
   Instead use the preview endpoint provided by Nextcloud core (``/core/preview``).
 - The legacy method ``\OC_Helper::canExecute`` is deprecated, please use the ``OCP\IBinaryFinder`` instead.
 - ``\OC_Template`` and ``\OCP\Template`` classes are deprecated, please use the new ``\OCP\Template\ITemplateManager`` instead.
+- ``\OC_User::useBackend`` is deprecated, please use ``\OCP\IUserManager::registerBackend`` available since 8.0.0
+- ``\OC_User::clearBackends`` is deprecated, please use ``\OCP\IUserManager::clearBackends`` available since 8.0.0
 
 Removed APIs
 ^^^^^^^^^^^^