diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index 7d2b52728..be8d4aaab 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -359,19 +359,6 @@ to ``de``). If that does not exist either, it falls back to ``default``
 
 Defaults to ``core/skeleton`` in the Nextcloud directory.
 
-::
-
-	'user_backends' => array(
-		array(
-			'class' => 'OC_User_IMAP',
-			'arguments' => array('{imap.gmail.com:993/imap/ssl}INBOX')
-		)
-	),
-
-The ``user_backends`` app (which needs to be enabled first) allows you to
-configure alternate authentication backends. Supported backends are:
-IMAP (OC_User_IMAP), SMB (OC_User_SMB), and FTP (OC_User_FTP).
-
 ::
 
 	'lost_password_link' => 'https://example.org/link/to/password/reset',