diff -u b/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
--- b/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -188,12 +188,8 @@
    * This method is based on the dumpContainer method in the parent class, but
    * that method is reliant on the Config component which we do not use here.
    *
-   * @param string $cache_file
-   *   The full filename to write to.
    * @param ContainerBuilder $container
    *   The service container.
-   * @param string $class
-   *   The name of the class to generate.
    * @param string $baseClass
    *   The name of the container's base class
    *