core/modules/system/src/Form/PerformanceForm.php | 36 +-----------------------
 1 file changed, 1 insertion(+), 35 deletions(-)

diff --git a/core/modules/system/src/Form/PerformanceForm.php b/core/modules/system/src/Form/PerformanceForm.php
index e293bdc..bec7d4c 100644
--- a/core/modules/system/src/Form/PerformanceForm.php
+++ b/core/modules/system/src/Form/PerformanceForm.php
@@ -16,20 +16,6 @@
 class PerformanceForm extends ConfigFormBase {
 
   /**
-   * The render cache bin.
-   *
-   * @var \Drupal\Core\Cache\CacheBackendInterface
-   */
-  protected $renderCache;
-
-  /**
-   * The internal page cache bin.
-   *
-   * @var \Drupal\Core\Cache\CacheBackendInterface|null
-   */
-  protected $internalPageCache;
-
-  /**
    * The date formatter service.
    *
    * @var \Drupal\Core\Datetime\DateFormatterInterface
@@ -55,27 +41,16 @@ class PerformanceForm extends ConfigFormBase {
    *
    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The factory for configuration objects.
-   * @param \Drupal\Core\Cache\CacheBackendInterface $render_cache
    * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
    *   The date formatter service.
    * @param \Drupal\Core\Asset\AssetCollectionOptimizerInterface $css_collection_optimizer
    *   The CSS asset collection optimizer service.
    * @param \Drupal\Core\Asset\AssetCollectionOptimizerInterface $js_collection_optimizer
    *   The JavaScript asset collection optimizer service.
-   * @param \Drupal\Core\Cache\CacheBackendInterface $internal_page_cache
    */
-  public function __construct(
-    ConfigFactoryInterface $config_factory,
-    CacheBackendInterface $render_cache,
-    DateFormatterInterface $date_formatter,
-    AssetCollectionOptimizerInterface $css_collection_optimizer,
-    AssetCollectionOptimizerInterface $js_collection_optimizer,
-    CacheBackendInterface $internal_page_cache = NULL
-  ) {
+  public function __construct(ConfigFactoryInterface $config_factory, DateFormatterInterface $date_formatter, AssetCollectionOptimizerInterface $css_collection_optimizer,  AssetCollectionOptimizerInterface $js_collection_optimizer) {
     parent::__construct($config_factory);
 
-    $this->renderCache = $render_cache;
-    $this->internalPageCache = $internal_page_cache;
     $this->dateFormatter = $date_formatter;
     $this->cssCollectionOptimizer = $css_collection_optimizer;
     $this->jsCollectionOptimizer = $js_collection_optimizer;
@@ -87,11 +62,9 @@ public function __construct(
   public static function create(ContainerInterface $container) {
     return new static(
       $container->get('config.factory'),
-      $container->get('cache.render'),
       $container->get('date.formatter'),
       $container->get('asset.css.collection_optimizer'),
       $container->get('asset.js.collection_optimizer'),
-      $container->get('cache.page', FALSE)
     );
   }
 
@@ -185,13 +158,6 @@ public function buildForm(array $form, FormStateInterface $form_state) {
   public function submitForm(array &$form, FormStateInterface $form_state) {
     $this->cssCollectionOptimizer->deleteAll();
     $this->jsCollectionOptimizer->deleteAll();
-    // This form allows page compression settings to be changed, which can
-    // invalidate cached pages in the render cache, so it needs to be cleared on
-    // form submit.
-    $this->renderCache->deleteAll();
-    if ($this->internalPageCache instanceof CacheBackendInterface) {
-      $this->internalPageCache->deleteAll();
-    }
 
     $this->config('system.performance')
       ->set('cache.page.max_age', $form_state->getValue('page_cache_maximum_age'))