diff --git a/core/core.services.yml b/core/core.services.yml
index f4e72f2..5a30e73 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -142,14 +142,13 @@ services:
     arguments: ['@cache_tags.invalidator.checksum']
   cache.backend.memory:
     class: Drupal\Core\Cache\MemoryBackendFactory
-    arguments: ['@cache_tags.invalidator.checksum']
   # A special cache bin that does not persist beyond the length of the request.
   cache.static:
     class: Drupal\Core\Cache\CacheBackendInterface
     tags:
       - { name: cache.bin, default_backend: cache.backend.memory }
     factory: cache_factory:get
-    arguments: [memory]
+    arguments: [static]
   cache.bootstrap:
     class: Drupal\Core\Cache\CacheBackendInterface
     tags:
diff --git a/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php b/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
index 48902ff..925c310 100644
--- a/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
+++ b/core/tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php
@@ -221,7 +221,7 @@ public function testGenerateStaticCache() {
     $this->cache->expects($this->never())
       ->method('set');
 
-    $this->permissionsHash->generate($this->account1);
+    $this->permissionsHash->generate($this->account2);
   }
 
   /**