diff --git a/core/modules/openid/openid.module b/core/modules/openid/openid.module
index 092c3a4..426c8ae 100644
--- a/core/modules/openid/openid.module
+++ b/core/modules/openid/openid.module
@@ -138,7 +138,7 @@ function openid_user_insert($account) {
  *
  * Save openid_identifier to visitor cookie.
  */
-function openid_user_login($edit, $account) {
+function openid_user_login($account) {
   if (isset($_SESSION['openid'])) {
     // The user has logged in via OpenID.
     user_cookie_save(array_intersect_key($_SESSION['openid']['user_login_values'], array_flip(array('openid_identifier'))));
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 6d16229..60cd4e0 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2551,7 +2551,7 @@ function system_user_presave($account) {
 /**
  * Implements hook_user_login().
  */
-function system_user_login($edit, $account) {
+function system_user_login($account) {
   $config = config('system.timezone');
   // If the user has a NULL time zone, notify them to set a time zone.
   if (!$account->timezone && $config->get('user.configurable') && $config->get('user.warn')) {
diff --git a/core/modules/system/tests/modules/session_test/session_test.module b/core/modules/system/tests/modules/session_test/session_test.module
index 3b378ad..d2c17ef 100644
--- a/core/modules/system/tests/modules/session_test/session_test.module
+++ b/core/modules/system/tests/modules/session_test/session_test.module
@@ -151,12 +151,12 @@ function _session_test_set_not_started() {
 }
 
 /**
- * Implements hook_user().
+ * Implements hook_user_login().
  */
-function session_test_user_login($edit = array(), $user = NULL) {
-  if ($user->name == 'session_test_user') {
+function session_test_user_login($account) {
+  if ($account->name == 'session_test_user') {
     // Exit so we can verify that the session was regenerated
-    // before hook_user() was called.
+    // before hook_user_login() was called.
     exit;
   }
 }
diff --git a/core/modules/user/user.api.php b/core/modules/user/user.api.php
index b5bbbf7..521efd8 100644
--- a/core/modules/user/user.api.php
+++ b/core/modules/user/user.api.php
@@ -299,12 +299,10 @@ function hook_user_update($account) {
 /**
  * The user just logged in.
  *
- * @param $edit
- *   The array of form values submitted by the user.
  * @param $account
  *   The user object on which the operation was just performed.
  */
-function hook_user_login(&$edit, $account) {
+function hook_user_login($account) {
   $config = config('system.timezone');
   // If the user has a NULL time zone, notify them to set a time zone.
   if (!$account->timezone && $config->get('user.configurable') && $config->get('user.warn')) {
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index 5210583..4921c98 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -1451,7 +1451,7 @@ function user_login_finalize(&$edit = array()) {
   // or incorrectly does a redirect which would leave the old session in place.
   drupal_session_regenerate();
 
-  module_invoke_all('user_login', $edit, $user);
+  module_invoke_all('user_login', $user);
 }
 
 /**
@@ -1470,7 +1470,7 @@ function user_login_form_submit($form, &$form_state) {
 /**
  * Implements hook_user_login().
  */
-function user_user_login($edit, $account) {
+function user_user_login($account) {
   // Reset static cache of default variables in template_preprocess() to reflect
   // the new user.
   drupal_static_reset('template_preprocess');