diff --git a/core/core.services.yml b/core/core.services.yml
index a58f7796b8f5e075eea311f011f3253c2042052c..355958a26390c953a3f35816a95a19347046fe65 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -38,10 +38,6 @@ services:
     class: Drupal\Core\Cache\ApcuBackendFactory
   cache.backend.php:
     class: Drupal\Core\Cache\PhpBackendFactory
-  cache.backend.memory:
-    class: Drupal\Core\Cache\MemoryBackendFactory
-  cache.backend.null:
-    class: Drupal\Core\Cache\NullBackendFactory
   cache.bootstrap:
     class: Drupal\Core\Cache\CacheBackendInterface
     tags:
diff --git a/sites/example.settings.local.php b/sites/example.settings.local.php
index 1847f865fe5043cd679e68035e682bf1afea657f..99cfcc476d5b06e98e1b70c66087d58647404c66 100644
--- a/sites/example.settings.local.php
+++ b/sites/example.settings.local.php
@@ -17,9 +17,6 @@
 $config['system.performance']['css']['preprocess'] = FALSE;
 $config['system.performance']['js']['preprocess'] = FALSE;
 
-// Disable the render cache, by using the Null cache back-end.
-$settings['cache']['bins']['render'] = 'cache.backend.null';
-
 /**
  * Enable access to rebuild.php.
  *