diff -u b/core/modules/user/src/Controller/UserController.php b/core/modules/user/src/Controller/UserController.php
--- b/core/modules/user/src/Controller/UserController.php
+++ b/core/modules/user/src/Controller/UserController.php
@@ -50,9 +50,9 @@
   protected $logger;
 
   /**
-   * The flood service.
+   * A flood service instance.
    *
-   * @var \Drupal\Core\Flood\FloodInterface
+   * @var Drupal\Core\Flood\FloodInterface
    */
   protected $flood;
 
@@ -67,8 +67,8 @@
    *   The user data service.
    * @param \Psr\Log\LoggerInterface $logger
    *   A logger instance.
-   * @param \Drupal\Core\Flood\FloodInterface $flood
-   *   The flood service.
+   * @param Drupal\Core\Flood\FloodInterface $flood
+   *   A logger instance.
    */
   public function __construct(DateFormatterInterface $date_formatter, UserStorageInterface $user_storage, UserDataInterface $user_data, LoggerInterface $logger, FloodInterface $flood) {
     $this->dateFormatter = $date_formatter;
@@ -248,7 +248,6 @@
         // could lock out all users with public user names.
         $identifier = $user->id() . '-' . $request->getClientIP();
       }
-      $this->flood->clear('user.failed_login_ip');
       $this->flood->clear('user.failed_login_user', $identifier);
 
       user_login_finalize($user);