diff --git a/core/modules/system/tests/modules/entity_test_schema_converter/entity_test_schema_converter.info.yml b/core/modules/system/tests/modules/entity_test_schema_converter/entity_test_schema_converter.info.yml
deleted file mode 100644
index c6291250ec..0000000000
--- a/core/modules/system/tests/modules/entity_test_schema_converter/entity_test_schema_converter.info.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-name: 'Entity Schema Converter Test'
-type: module
-description: 'Provides testing for the entity schema converter.'
-package: Testing
-version: VERSION
-dependencies:
-  - drupal:entity_test_update
diff --git a/core/modules/system/tests/modules/entity_test_schema_converter/entity_test_schema_converter.post_update.php b/core/modules/system/tests/modules/entity_test_schema_converter/entity_test_schema_converter.post_update.php
deleted file mode 100644
index 7e2be26486..0000000000
--- a/core/modules/system/tests/modules/entity_test_schema_converter/entity_test_schema_converter.post_update.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-/**
- * @file
- * Post update functions for entity_test_schema_converter.
- */
-
-use Drupal\Core\Entity\Sql\SqlContentEntityStorageSchemaConverter;
-
-/**
- * Update entity_test_update to be revisionable.
- */
-function entity_test_schema_converter_post_update_make_revisionable(&$sandbox) {
-  $revisionableSchemaConverter = new SqlContentEntityStorageSchemaConverter(
-    'entity_test_update',
-    \Drupal::entityTypeManager(),
-    \Drupal::entityDefinitionUpdateManager(),
-    \Drupal::service('entity.last_installed_schema.repository'),
-    \Drupal::keyValue('entity.storage_schema.sql'),
-    \Drupal::database()
-  );
-
-  $revisionableSchemaConverter->convertToRevisionable(
-    $sandbox,
-    [
-      'test_single_property',
-      'test_multiple_properties',
-      'test_single_property_multiple_values',
-      'test_multiple_properties_multiple_values',
-      'test_entity_base_field_info',
-    ]);
-}