diff --git a/core/modules/migrate/tests/src/Kernel/Plugin/MigrationProvidersExistTest.php b/core/modules/migrate/tests/src/Kernel/Plugin/MigrationProvidersExistTest.php
index 19a8b24777..1b4aaa35e3 100644
--- a/core/modules/migrate/tests/src/Kernel/Plugin/MigrationProvidersExistTest.php
+++ b/core/modules/migrate/tests/src/Kernel/Plugin/MigrationProvidersExistTest.php
@@ -70,11 +70,11 @@ public function testProvidersExist() {
   public function testFieldProvidersExist() {
     $expected_mappings = [
       'userreference' => [
-        'source_module' => 'user_reference',
+        'source_module' => 'userreference',
         'destination_module' => 'core',
       ],
       'nodereference' => [
-        'source_module' => 'node_reference',
+        'source_module' => 'nodereference',
         'destination_module' => 'core',
       ],
       'optionwidgets' => [
diff --git a/core/modules/migrate_drupal/src/Plugin/migrate/field/NodeReference.php b/core/modules/migrate_drupal/src/Plugin/migrate/field/NodeReference.php
index d3205a6029..e8c2dd5e6d 100644
--- a/core/modules/migrate_drupal/src/Plugin/migrate/field/NodeReference.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/field/NodeReference.php
@@ -11,7 +11,7 @@
  *   type_map = {
  *     "nodereference" = "entity_reference",
  *   },
- *   source_module = "node_reference",
+ *   source_module = "nodereference",
  *   destination_module = "core",
  * )
  */
diff --git a/core/modules/migrate_drupal/src/Plugin/migrate/field/UserReference.php b/core/modules/migrate_drupal/src/Plugin/migrate/field/UserReference.php
index b52b44603c..b42d94cba3 100644
--- a/core/modules/migrate_drupal/src/Plugin/migrate/field/UserReference.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/field/UserReference.php
@@ -11,7 +11,7 @@
  *   type_map = {
  *     "userreference" = "entity_reference",
  *   },
- *   source_module = "user_reference",
+ *   source_module = "userreference",
  *   destination_module = "core",
  * )
  */
diff --git a/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
index 898a8a5568..375f8af26e 100644
--- a/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
@@ -69,6 +69,101 @@ class MigrateUpgradeForm extends ConfirmFormBase {
   protected $moduleHandler;
 
   /**
+   * List of extensions that do not need an upgrade path.
+   *
+   * This property is an array where the keys are the version of Drupal from
+   * which we are upgrading and the values are arrays of extensions that do not
+   * need an upgrade path.
+   *
+   * @var array[]
+   */
+  protected $noUpgradePaths = [
+    '6' => [
+      'blog',
+      'blogapi',
+      'calendarsignup',
+      'color',
+      'content_copy',
+      'content_multigroup',
+      'content_permissions',
+      'date_api',
+      'date_locale',
+      'date_php4',
+      'date_popup',
+      'date_repeat',
+      'date_timezone',
+      'date_tools',
+      'datepicker',
+      'ddblock',
+      'fieldgroup',
+      'filefield_meta',
+      'help',
+      'i18n',
+      'i18nstrings',
+      'imageapi',
+      'imageapi_gd',
+      'imageapi_imagemagick',
+      'imagecache_ui',
+      'jquery_ui',
+      'nodeaccess',
+      'number',
+      'openid',
+      'php',
+      'ping',
+      'poll',
+      'throttle',
+      'tracker',
+      'translation',
+      'trigger',
+      'variable',
+      'variable_admin',
+      'views_export',
+      'views_ui',
+    ],
+    '7' => [
+      'blog',
+      'book',
+      'bulk_export',
+      'contextual',
+      'ctools',
+      'ctools_access_ruleset',
+      'ctools_ajax_sample',
+      'ctools_custom_content',
+      'dashboard',
+      'date_all_day',
+      'date_api',
+      'date_context',
+      'date_migrate',
+      'date_popup',
+      'date_repeat',
+      'date_repeat_field',
+      'date_tools',
+      'date_views',
+      'entity',
+      'entity_feature',
+      'entity_token',
+      'field_ui',
+      'help',
+      'openid',
+      'overlay',
+      'page_manager',
+      'php',
+      'poll',
+      'search_embedded_form',
+      'search_extra_type',
+      'search_node_tags',
+      'simpletest',
+      'stylizer',
+      'term_depth',
+      'toolbar',
+      'translation',
+      'trigger',
+      'views_content',
+      'views_ui',
+    ],
+  ];
+
+  /**
    * Constructs the MigrateUpgradeForm.
    *
    * @param \Drupal\Core\State\StateInterface $state
@@ -160,6 +255,9 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
   public function buildOverviewForm(array $form, FormStateInterface $form_state) {
     $form['#title'] = $this->t('Upgrade');
 
+    // Add the no upgrade path array to the form state so it can be altered.
+    $form_state->set('no_upgrade_paths', $this->noUpgradePaths);
+
     if ($date_performed = $this->state->get('migrate_drupal_ui.performed')) {
       // @todo Add back support for rollbacks and incremental migrations.
       //   https://www.drupal.org/node/2687843
@@ -269,7 +367,7 @@ public function buildCredentialForm(array $form, FormStateInterface $form_state)
       '#type' => 'radios',
       '#default_value' => 7,
       '#title' => $this->t('Drupal version of the source site'),
-      '#options' => [6 => $this->t('Drupal 6'), 7 => $this->t('Drupal 7')],
+      '#options' => ['6' => $this->t('Drupal 6'), '7' => $this->t('Drupal 7')],
       '#required' => TRUE,
     ];
 
@@ -332,7 +430,7 @@ public function buildCredentialForm(array $form, FormStateInterface $form_state)
       '#description' => $this->t('To import files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot), or your site address (for example http://example.com).'),
       '#states' => [
         'visible' => [
-          ':input[name="version"]' => ['value' => 6],
+          ':input[name="version"]' => ['value' => '6'],
         ],
       ],
     ];
@@ -343,7 +441,7 @@ public function buildCredentialForm(array $form, FormStateInterface $form_state)
       '#description' => $this->t('To import public files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot), or your site address (for example http://example.com).'),
       '#states' => [
         'visible' => [
-          ':input[name="version"]' => ['value' => 7],
+          ':input[name="version"]' => ['value' => '7'],
         ],
       ],
     ];
@@ -355,7 +453,7 @@ public function buildCredentialForm(array $form, FormStateInterface $form_state)
       '#description' => $this->t('To import private files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot).'),
       '#states' => [
         'visible' => [
-          ':input[name="version"]' => ['value' => 7],
+          ':input[name="version"]' => ['value' => '7'],
         ],
       ],
     ];
@@ -404,11 +502,11 @@ public function validateCredentialForm(array &$form, FormStateInterface $form_st
 
     try {
       $connection = $this->getConnection($database);
-      $version = $this->getLegacyDrupalVersion($connection);
+      $version = (string) $this->getLegacyDrupalVersion($connection);
       if (!$version) {
         $form_state->setErrorByName($database['driver'] . '][0', $this->t('Source database does not contain a recognizable Drupal version.'));
       }
-      elseif ($version != $form_state->getValue('version')) {
+      elseif ($version !== (string) $form_state->getValue('version')) {
         $form_state->setErrorByName($database['driver'] . '][0', $this->t('Source database is Drupal version @version but version @selected was selected.', [
           '@version' => $version,
           '@selected' => $form_state->getValue('version'),
@@ -431,7 +529,7 @@ public function validateCredentialForm(array &$form, FormStateInterface $form_st
         // Store the retrieved migration IDs in form storage.
         $form_state->set('version', $version);
         $form_state->set('migrations', $migration_array);
-        if ($version == 6) {
+        if ($version === '6') {
           $form_state->set('source_base_path', $form_state->getValue('d6_source_base_path'));
         }
         else {
@@ -661,9 +759,23 @@ public function buildConfirmForm(array $form, FormStateInterface $form_state) {
     // Get the source_module and destination_module from the field plugins.
     $definitions = $this->fieldPluginManager->getDefinitions();
     foreach ($definitions as $definition) {
-      $source_module = $definition['source_module'];
-      $destination_module = $definition['destination_module'];
-      $table_data[$source_module][$destination_module][$definition['id']] = $definition['id'];
+      if (in_array($version, $definition['core'])) {
+        $source_module = $definition['source_module'];
+        $destination_module = $definition['destination_module'];
+        $table_data[$source_module][$destination_module][$definition['id']] = $definition['id'];
+      }
+    }
+
+    // Fetch the system data at the first opportunity.
+    $system_data = $form_state->get('system_data');
+
+    // Add source_module and destination_module for modules that do not need an
+    // upgrade path and are enabled on the source site.
+    $no_upgrade_paths = $form_state->get('no_upgrade_paths');
+    foreach ($no_upgrade_paths[$version] as $extension) {
+      if ($system_data['module'][$extension]['status']) {
+        $table_data[$extension]['core'][$extension] = $extension;
+      }
     }
 
     // Sort the table by source module names and within that destination
@@ -673,8 +785,6 @@ public function buildConfirmForm(array $form, FormStateInterface $form_state) {
       ksort($table_data[$source_module]);
     }
 
-    // Fetch the system data at the first opportunity.
-    $system_data = $form_state->get('system_data');
     // Remove core profiles from the system data.
     foreach (['standard', 'minimal'] as $profile) {
       unset($system_data['module'][$profile]);
diff --git a/core/modules/migrate_drupal_ui/tests/modules/upgrade_form_alter_test/upgrade_form_alter_test.info.yml b/core/modules/migrate_drupal_ui/tests/modules/upgrade_form_alter_test/upgrade_form_alter_test.info.yml
new file mode 100644
index 0000000000..c6b66cdb34
--- /dev/null
+++ b/core/modules/migrate_drupal_ui/tests/modules/upgrade_form_alter_test/upgrade_form_alter_test.info.yml
@@ -0,0 +1,6 @@
+name: 'Upgrade form alter test'
+type: module
+description: 'Tests that contrib modules can alter the upgrade form.'
+package: Testing
+version: VERSION
+core: 8.x
diff --git a/core/modules/migrate_drupal_ui/tests/modules/upgrade_form_alter_test/upgrade_form_alter_test.module b/core/modules/migrate_drupal_ui/tests/modules/upgrade_form_alter_test/upgrade_form_alter_test.module
new file mode 100644
index 0000000000..8855721dc3
--- /dev/null
+++ b/core/modules/migrate_drupal_ui/tests/modules/upgrade_form_alter_test/upgrade_form_alter_test.module
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @file
+ * Test module for altering the upgrade form.
+ */
+
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Implements hook_form_FORM_ID_alter().
+ */
+function upgrade_form_alter_test_form_migrate_drupal_ui_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
+  $no_upgrade_paths = $form_state->get('no_upgrade_paths');
+  $no_upgrade_paths['6'][] = 'event';
+  $no_upgrade_paths['7'][] = 'book';
+  $form_state->set('no_upgrade_paths', $no_upgrade_paths);
+}
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php
similarity index 60%
copy from core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
copy to core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php
index 98c05aaef4..e6ef1e3d15 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php
@@ -2,35 +2,19 @@
 
 namespace Drupal\Tests\migrate_drupal_ui\Functional;
 
-use Drupal\Core\Database\Database;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
 use Drupal\migrate_drupal\MigrationConfigurationTrait;
-use Drupal\Tests\BrowserTestBase;
 use Drupal\Tests\migrate_drupal\Traits\CreateTestContentEntitiesTrait;
 
 /**
  * Provides a base class for testing migration upgrades in the UI.
  */
-abstract class MigrateUpgradeTestBase extends BrowserTestBase {
+abstract class MigrateUpgradeExecuteTestBase extends MigrateUpgradeTestBase {
 
   use MigrationConfigurationTrait;
   use CreateTestContentEntitiesTrait;
 
   /**
-   * Use the Standard profile to test help implementations of many core modules.
-   *
-   * @var string
-   */
-  protected $profile = 'standard';
-
-  /**
-   * The source database connection.
-   *
-   * @var \Drupal\Core\Database\Connection
-   */
-  protected $sourceDatabase;
-
-  /**
    * Modules to enable.
    *
    * @var array
@@ -45,6 +29,7 @@
     'forum',
     'statistics',
     'migration_provider_test',
+    'upgrade_form_alter_test',
   ];
 
   /**
@@ -52,74 +37,15 @@
    */
   protected function setUp() {
     parent::setUp();
-    $this->createMigrationConnection();
-    $this->sourceDatabase = Database::getConnection('default', 'migrate_drupal_ui');
-
-    // Log in as user 1. Migrations in the UI can only be performed as user 1.
-    $this->drupalLogin($this->rootUser);
 
     // Create content.
     $this->createContent();
   }
 
   /**
-   * Loads a database fixture into the source database connection.
-   *
-   * @param string $path
-   *   Path to the dump file.
-   */
-  protected function loadFixture($path) {
-    $default_db = Database::getConnection()->getKey();
-    Database::setActiveConnection($this->sourceDatabase->getKey());
-
-    if (substr($path, -3) == '.gz') {
-      $path = 'compress.zlib://' . $path;
-    }
-    require $path;
-
-    Database::setActiveConnection($default_db);
-  }
-
-  /**
-   * Changes the database connection to the prefixed one.
-   *
-   * @todo Remove when we don't use global. https://www.drupal.org/node/2552791
-   */
-  protected function createMigrationConnection() {
-    $connection_info = Database::getConnectionInfo('default')['default'];
-    if ($connection_info['driver'] === 'sqlite') {
-      // Create database file in the test site's public file directory so that
-      // \Drupal\simpletest\TestBase::restoreEnvironment() will delete this once
-      // the test is complete.
-      $file = $this->publicFilesDirectory . '/' . $this->testId . '-migrate.db.sqlite';
-      touch($file);
-      $connection_info['database'] = $file;
-      $connection_info['prefix'] = '';
-    }
-    else {
-      $prefix = is_array($connection_info['prefix']) ? $connection_info['prefix']['default'] : $connection_info['prefix'];
-      // Simpletest uses fixed length prefixes. Create a new prefix for the
-      // source database. Adding to the end of the prefix ensures that
-      // \Drupal\simpletest\TestBase::restoreEnvironment() will remove the
-      // additional tables.
-      $connection_info['prefix'] = $prefix . '0';
-    }
-
-    Database::addConnectionInfo('migrate_drupal_ui', 'default', $connection_info);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function tearDown() {
-    Database::removeConnection('migrate_drupal_ui');
-    parent::tearDown();
-  }
-
-  /**
    * Executes all steps of migrations upgrade.
    */
-  public function testMigrateUpgrade() {
+  public function testMigrateUpgradeExecute() {
     $connection_options = $this->sourceDatabase->getConnectionOptions();
     $this->drupalGet('/upgrade');
     $session = $this->assertSession();
@@ -197,26 +123,17 @@ public function testMigrateUpgrade() {
     $this->drupalPostForm(NULL, [], t('I acknowledge I may lose data. Continue anyway.'));
     $session->statusCodeEquals(200);
     $session->pageTextContains('Upgrade analysis report');
-    // Ensure there are no errors about the missing modules from the test module.
+    // Ensure there are no errors about missing modules from the test module.
     $session->pageTextNotContains(t('Source module not found for migration_provider_no_annotation.'));
     $session->pageTextNotContains(t('Source module not found for migration_provider_test.'));
     $session->pageTextNotContains(t('Destination module not found for migration_provider_test'));
     // Ensure there are no errors about any other missing migration providers.
     $session->pageTextNotContains(t('module not found'));
 
-    // Test the available migration paths.
-    $all_available = $this->getAvailablePaths();
-    foreach ($all_available as $available) {
-      $session->elementExists('xpath', "//span[contains(@class, 'checked') and text() = '$available']");
-      $session->elementNotExists('xpath', "//span[contains(@class, 'warning') and text() = '$available']");
-    }
-
-    // Test the missing migration paths.
-    $all_missing = $this->getMissingPaths();
-    foreach ($all_missing as $missing) {
-      $session->elementExists('xpath', "//span[contains(@class, 'warning') and text() = '$missing']");
-      $session->elementNotExists('xpath', "//span[contains(@class, 'checked') and text() = '$missing']");
-    }
+    // Test the upgrade paths.
+    $available_paths = $this->getAvailablePaths();
+    $missing_paths = $this->getMissingPaths();
+    $this->assertUpgradePaths($session, $available_paths, $missing_paths);
 
     $this->drupalPostForm(NULL, [], t('Perform upgrade'));
     $this->assertText(t('Congratulations, you upgraded Drupal!'));
@@ -261,58 +178,4 @@ public function testMigrateUpgrade() {
     \Drupal::service('module_installer')->install(['book']);
   }
 
-  /**
-   * Transforms a nested array into a flat array suitable for BrowserTestBase::drupalPostForm().
-   *
-   * @param array $values
-   *   A multi-dimensional form values array to convert.
-   *
-   * @return array
-   *   The flattened $edit array suitable for BrowserTestBase::drupalPostForm().
-   */
-  protected function translatePostValues(array $values) {
-    $edit = [];
-    // The easiest and most straightforward way to translate values suitable for
-    // BrowserTestBase::drupalPostForm() is to actually build the POST data string
-    // and convert the resulting key/value pairs back into a flat array.
-    $query = http_build_query($values);
-    foreach (explode('&', $query) as $item) {
-      list($key, $value) = explode('=', $item);
-      $edit[urldecode($key)] = urldecode($value);
-    }
-    return $edit;
-  }
-
-  /**
-   * Gets the source base path for the concrete test.
-   *
-   * @return string
-   *   The source base path.
-   */
-  abstract protected function getSourceBasePath();
-
-  /**
-   * Gets the expected number of entities per entity type after migration.
-   *
-   * @return int[]
-   *   An array of expected counts keyed by entity type ID.
-   */
-  abstract protected function getEntityCounts();
-
-  /**
-   * Gets the available upgrade paths.
-   *
-   * @return string[]
-   *   An array of available upgrade paths.
-   */
-  abstract protected function getAvailablePaths();
-
-  /**
-   * Gets the missing upgrade paths.
-   *
-   * @return string[]
-   *   An array of missing upgrade paths.
-   */
-  abstract protected function getMissingPaths();
-
 }
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeReviewPageTestBase.php b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeReviewPageTestBase.php
new file mode 100644
index 0000000000..d158de68bf
--- /dev/null
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeReviewPageTestBase.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace Drupal\Tests\migrate_drupal_ui\Functional;
+
+use Drupal\migrate_drupal\MigrationConfigurationTrait;
+use Drupal\Tests\migrate_drupal\Traits\CreateTestContentEntitiesTrait;
+
+/**
+ * Provides a base class for testing the UpgradeReview page.
+ */
+abstract class MigrateUpgradeReviewPageTestBase extends MigrateUpgradeTestBase {
+
+  use MigrationConfigurationTrait;
+  use CreateTestContentEntitiesTrait;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = [
+    'language',
+    'content_translation',
+    'migrate_drupal_ui',
+    'telephone',
+    'aggregator',
+    'book',
+    'forum',
+    'statistics',
+    'syslog',
+    'tracker',
+    'update',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getSourceBasePath() {
+    return __DIR__ . '/files';
+  }
+
+  /**
+   * Tests the migrate upgrade review page.
+   *
+   * The form displays two types of information, one is error messages for
+   * migrations that do not have a source_module defined, the other is a list
+   * of modules and their upgrade status. In this test there should be no error
+   * messages because the relevant test modules are not installed. The list
+   * of modules, available and missing, will be complete for all modules
+   * moved to Drupal 8 core. This is accomplished by modifying the source
+   * database to enable all modules that do not include 'test' or 'example' in
+   * their name. This then tests that the noUpgradePath contain a complete list
+   * of modules moved from previous versions of Drupal to Drupal 8.
+   *
+   * Note that this assumption here is that the Drupal 6 and Drupal 7 test
+   * fixtures include all modules that have moved to Drupal 8 core.
+   */
+  public function testMigrateUpgradeReviewPage() {
+    $connection_options = $this->sourceDatabase->getConnectionOptions();
+    $driver = $connection_options['driver'];
+    $connection_options['prefix'] = $connection_options['prefix']['default'];
+
+    // Use the driver connection form to get the correct options out of the
+    // database settings. This supports all of the databases we test against.
+    $drivers = drupal_get_database_types();
+    $form = $drivers[$driver]->getFormOptions($connection_options);
+    $connection_options = array_intersect_key($connection_options, $form + $form['advanced_options']);
+    $version = $this->getLegacyDrupalVersion($this->sourceDatabase);
+    $edit = [
+      $driver => $connection_options,
+      'source_private_file_path' => $this->getSourceBasePath(),
+      'version' => $version,
+    ];
+    if ($version == 6) {
+      $edit['d6_source_base_path'] = $this->getSourceBasePath();
+    }
+    else {
+      $edit['source_base_path'] = $this->getSourceBasePath();
+    }
+    if (count($drivers) !== 1) {
+      $edit['driver'] = $driver;
+    }
+    $edits = $this->translatePostValues($edit);
+
+    // Enable all modules in the source.
+    $this->sourceDatabase->update('system')
+      ->fields(['status' => 1])
+      ->condition('type', 'module')
+      ->condition('name', '%test%', 'NOT LIKE')
+      ->condition('name', '%example%', 'NOT LIKE')
+      ->execute();
+    $this->sourceDatabase->update('system')
+      ->fields(['status' => 1])
+      ->condition('type', 'module')
+      ->condition('name', 'simpletest')
+      ->execute();
+
+    // Start the upgrade process.
+    $this->drupalGet('/upgrade');
+    $this->drupalPostForm(NULL, [], t('Continue'));
+    $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
+    $this->drupalPostForm(NULL, [], t('I acknowledge I may lose data. Continue anyway.'));
+
+    // Ensure there are no errors about missing modules from the test module.
+    $session = $this->assertSession();
+    $session->pageTextNotContains(t('Source module not found for migration_provider_no_annotation.'));
+    $session->pageTextNotContains(t('Source module not found for migration_provider_test.'));
+    $session->pageTextNotContains(t('Destination module not found for migration_provider_test'));
+    // Ensure there are no errors about any other missing migration providers.
+    $session->pageTextNotContains(t('module not found'));
+
+    // Test the upgrade paths.
+    $available_paths = $this->getAvailablePaths();
+    $missing_paths = $this->getMissingPaths();
+    $this->assertUpgradePaths($session, $available_paths, $missing_paths);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEntityCounts() {
+    return [];
+  }
+
+}
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
index 98c05aaef4..2ad7629b43 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeTestBase.php
@@ -3,7 +3,6 @@
 namespace Drupal\Tests\migrate_drupal_ui\Functional;
 
 use Drupal\Core\Database\Database;
-use Drupal\migrate\Plugin\MigrateIdMapInterface;
 use Drupal\migrate_drupal\MigrationConfigurationTrait;
 use Drupal\Tests\BrowserTestBase;
 use Drupal\Tests\migrate_drupal\Traits\CreateTestContentEntitiesTrait;
@@ -31,23 +30,6 @@
   protected $sourceDatabase;
 
   /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = [
-    'language',
-    'content_translation',
-    'migrate_drupal_ui',
-    'telephone',
-    'aggregator',
-    'book',
-    'forum',
-    'statistics',
-    'migration_provider_test',
-  ];
-
-  /**
    * {@inheritdoc}
    */
   protected function setUp() {
@@ -57,9 +39,6 @@ protected function setUp() {
 
     // Log in as user 1. Migrations in the UI can only be performed as user 1.
     $this->drupalLogin($this->rootUser);
-
-    // Create content.
-    $this->createContent();
   }
 
   /**
@@ -117,151 +96,6 @@ protected function tearDown() {
   }
 
   /**
-   * Executes all steps of migrations upgrade.
-   */
-  public function testMigrateUpgrade() {
-    $connection_options = $this->sourceDatabase->getConnectionOptions();
-    $this->drupalGet('/upgrade');
-    $session = $this->assertSession();
-    $session->responseContains('Upgrade a site by importing its files and the data from its database into a clean and empty new install of Drupal 8.');
-
-    $this->drupalPostForm(NULL, [], t('Continue'));
-    $this->assertText('Provide credentials for the database of the Drupal site you want to upgrade.');
-    $this->assertFieldByName('mysql[host]');
-
-    $driver = $connection_options['driver'];
-    $connection_options['prefix'] = $connection_options['prefix']['default'];
-
-    // Use the driver connection form to get the correct options out of the
-    // database settings. This supports all of the databases we test against.
-    $drivers = drupal_get_database_types();
-    $form = $drivers[$driver]->getFormOptions($connection_options);
-    $connection_options = array_intersect_key($connection_options, $form + $form['advanced_options']);
-    $version = $this->getLegacyDrupalVersion($this->sourceDatabase);
-    $edit = [
-      $driver => $connection_options,
-      'source_private_file_path' => $this->getSourceBasePath(),
-      'version' => $version,
-    ];
-    if ($version == 6) {
-      $edit['d6_source_base_path'] = $this->getSourceBasePath();
-    }
-    else {
-      $edit['source_base_path'] = $this->getSourceBasePath();
-    }
-    if (count($drivers) !== 1) {
-      $edit['driver'] = $driver;
-    }
-    $edits = $this->translatePostValues($edit);
-
-    // Ensure submitting the form with invalid database credentials gives us a
-    // nice warning.
-    $this->drupalPostForm(NULL, [$driver . '[database]' => 'wrong'] + $edits, t('Review upgrade'));
-    $this->assertText('Resolve the issue below to continue the upgrade.');
-
-    $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
-    $session->pageTextContains('WARNING: Content may be overwritten on your new site.');
-    $session->pageTextContains('There is conflicting content of these types:');
-    $session->pageTextContains('aggregator feed entities');
-    $session->pageTextContains('aggregator feed item entities');
-    $session->pageTextContains('custom block entities');
-    $session->pageTextContains('custom menu link entities');
-    $session->pageTextContains('file entities');
-    $session->pageTextContains('taxonomy term entities');
-    $session->pageTextContains('user entities');
-    $session->pageTextContains('comments');
-    $session->pageTextContains('content item revisions');
-    $session->pageTextContains('content items');
-    $session->pageTextContains('There is translated content of these types:');
-    $this->drupalPostForm(NULL, [], t('I acknowledge I may lose data. Continue anyway.'));
-    $this->assertResponse(200);
-    $this->assertText('Upgrade analysis report');
-    // Ensure we get errors about missing modules.
-    $session->pageTextContains(t('Source module not found for migration_provider_no_annotation.'));
-    $session->pageTextContains(t('Source module not found for migration_provider_test.'));
-    $session->pageTextContains(t('Destination module not found for migration_provider_test'));
-
-    // Uninstall the module causing the missing module error messages.
-    $this->container->get('module_installer')->uninstall(['migration_provider_test'], TRUE);
-
-    // Restart the upgrade process.
-    $this->drupalGet('/upgrade');
-    $session->responseContains('Upgrade a site by importing its files and the data from its database into a clean and empty new install of Drupal 8.');
-
-    $this->drupalPostForm(NULL, [], t('Continue'));
-    $session->pageTextContains('Provide credentials for the database of the Drupal site you want to upgrade.');
-    $session->fieldExists('mysql[host]');
-
-    $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
-    $session->pageTextContains('WARNING: Content may be overwritten on your new site.');
-    $this->drupalPostForm(NULL, [], t('I acknowledge I may lose data. Continue anyway.'));
-    $session->statusCodeEquals(200);
-    $session->pageTextContains('Upgrade analysis report');
-    // Ensure there are no errors about the missing modules from the test module.
-    $session->pageTextNotContains(t('Source module not found for migration_provider_no_annotation.'));
-    $session->pageTextNotContains(t('Source module not found for migration_provider_test.'));
-    $session->pageTextNotContains(t('Destination module not found for migration_provider_test'));
-    // Ensure there are no errors about any other missing migration providers.
-    $session->pageTextNotContains(t('module not found'));
-
-    // Test the available migration paths.
-    $all_available = $this->getAvailablePaths();
-    foreach ($all_available as $available) {
-      $session->elementExists('xpath', "//span[contains(@class, 'checked') and text() = '$available']");
-      $session->elementNotExists('xpath', "//span[contains(@class, 'warning') and text() = '$available']");
-    }
-
-    // Test the missing migration paths.
-    $all_missing = $this->getMissingPaths();
-    foreach ($all_missing as $missing) {
-      $session->elementExists('xpath', "//span[contains(@class, 'warning') and text() = '$missing']");
-      $session->elementNotExists('xpath', "//span[contains(@class, 'checked') and text() = '$missing']");
-    }
-
-    $this->drupalPostForm(NULL, [], t('Perform upgrade'));
-    $this->assertText(t('Congratulations, you upgraded Drupal!'));
-
-    // Have to reset all the statics after migration to ensure entities are
-    // loadable.
-    $this->resetAll();
-
-    $expected_counts = $this->getEntityCounts();
-    foreach (array_keys(\Drupal::entityTypeManager()
-      ->getDefinitions()) as $entity_type) {
-      $real_count = \Drupal::entityQuery($entity_type)->count()->execute();
-      $expected_count = isset($expected_counts[$entity_type]) ? $expected_counts[$entity_type] : 0;
-      $this->assertEqual($expected_count, $real_count, "Found $real_count $entity_type entities, expected $expected_count.");
-    }
-
-    $plugin_manager = \Drupal::service('plugin.manager.migration');
-    /** @var \Drupal\migrate\Plugin\Migration[] $all_migrations */
-    $all_migrations = $plugin_manager->createInstancesByTag('Drupal ' . $version);
-    foreach ($all_migrations as $migration) {
-      $id_map = $migration->getIdMap();
-      foreach ($id_map as $source_id => $map) {
-        // Convert $source_id into a keyless array so that
-        // \Drupal\migrate\Plugin\migrate\id_map\Sql::getSourceHash() works as
-        // expected.
-        $source_id_values = array_values(unserialize($source_id));
-        $row = $id_map->getRowBySource($source_id_values);
-        $destination = serialize($id_map->currentDestination());
-        $message = "Migration of $source_id to $destination as part of the {$migration->id()} migration. The source row status is " . $row['source_row_status'];
-        // A completed migration should have maps with
-        // MigrateIdMapInterface::STATUS_IGNORED or
-        // MigrateIdMapInterface::STATUS_IMPORTED.
-        if ($row['source_row_status'] == MigrateIdMapInterface::STATUS_FAILED || $row['source_row_status'] == MigrateIdMapInterface::STATUS_NEEDS_UPDATE) {
-          $this->fail($message);
-        }
-        else {
-          $this->pass($message);
-        }
-      }
-    }
-    \Drupal::service('module_installer')->install(['forum']);
-    \Drupal::service('module_installer')->install(['book']);
-  }
-
-  /**
    * Transforms a nested array into a flat array suitable for BrowserTestBase::drupalPostForm().
    *
    * @param array $values
@@ -284,6 +118,33 @@ protected function translatePostValues(array $values) {
   }
 
   /**
+   * Tests the displayed upgrade paths.
+   *
+   * @param $session
+   * @param $available_paths
+   *   An array of modules that will be upgraded.
+   * @param $missing_paths
+   *   An array of modules that will not be upgraded.
+   */
+  protected function assertUpgradePaths($session, $available_paths, $missing_paths) {
+    // Test the available migration paths.
+    foreach ($available_paths as $available) {
+      $session->elementExists('xpath', "//span[contains(@class, 'checked') and text() = '$available']");
+      $session->elementNotExists('xpath', "//span[contains(@class, 'warning') and text() = '$available']");
+    }
+
+    // Test the missing migration paths.
+    foreach ($missing_paths as $missing) {
+      $session->elementExists('xpath', "//span[contains(@class, 'warning') and text() = '$missing']");
+      $session->elementNotExists('xpath', "//span[contains(@class, 'checked') and text() = '$missing']");
+    }
+
+    // Test the total count of missing and available paths.
+    $session->elementsCount('xpath', "//span[contains(@class, 'upgrade-analysis-report__status-icon--warning')]", count($missing_paths));
+    $session->elementsCount('xpath', "//span[contains(@class, 'upgrade-analysis-report__status-icon--checked')]", count($available_paths));
+  }
+
+  /**
    * Gets the source base path for the concrete test.
    *
    * @return string
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6ReviewPageTest.php b/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6ReviewPageTest.php
new file mode 100644
index 0000000000..7432288a65
--- /dev/null
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6ReviewPageTest.php
@@ -0,0 +1,127 @@
+<?php
+
+namespace Drupal\Tests\migrate_drupal_ui\Functional\d6;
+
+use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeReviewPageTestBase;
+
+/**
+ * Tests migrate upgrade review page for Drupal 6.
+ *
+ * @group migrate_drupal_ui
+ */
+class MigrateUpgrade6ReviewPageTest extends MigrateUpgradeReviewPageTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->loadFixture(drupal_get_path('module', 'migrate_drupal') . '/tests/fixtures/drupal6.php');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getAvailablePaths() {
+    return [
+      'aggregator',
+      'block',
+      'book',
+      'color',
+      'comment',
+      'contact',
+      'content',
+      'date',
+      'dblog',
+      'email',
+      'filefield',
+      'filter',
+      'forum',
+      'i18ntaxonomy',
+      'imagecache',
+      'imagefield',
+      'language',
+      'link',
+      'locale',
+      'menu',
+      'node',
+      'nodereference',
+      'optionwidgets',
+      'path',
+      'profile',
+      'search',
+      'statistics',
+      'syslog',
+      'system',
+      'taxonomy',
+      'text',
+      'update',
+      'upload',
+      'user',
+      'userreference',
+      // Modules that have no upgrade path.
+      'blog',
+      'blogapi',
+      'calendarsignup',
+      'content_copy',
+      'content_multigroup',
+      'content_permissions',
+      'date_api',
+      'date_locale',
+      'date_php4',
+      'date_popup',
+      'date_repeat',
+      'date_timezone',
+      'date_tools',
+      'datepicker',
+      'ddblock',
+      'fieldgroup',
+      'filefield_meta',
+      'help',
+      'i18n',
+      'i18nstrings',
+      'imageapi',
+      'imageapi_gd',
+      'imageapi_imagemagick',
+      'imagecache_ui',
+      'jquery_ui',
+      'nodeaccess',
+      'number',
+      'openid',
+      'php',
+      'ping',
+      'poll',
+      'throttle',
+      'tracker',
+      'translation',
+      'trigger',
+      'variable',
+      'variable_admin',
+      'views_export',
+      'views_ui',
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getMissingPaths() {
+    return [
+      'devel',
+      'devel_generate',
+      'devel_node_access',
+      'event',
+      'i18nblocks',
+      'i18ncck',
+      'i18ncontent',
+      'i18nmenu',
+      'i18npoll',
+      'i18nprofile',
+      'i18nsync',
+      'i18nviews',
+      'phone',
+      'views',
+    ];
+  }
+
+}
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6Test.php b/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6Test.php
index 432b7036d7..215dd88dd9 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6Test.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/d6/MigrateUpgrade6Test.php
@@ -2,17 +2,17 @@
 
 namespace Drupal\Tests\migrate_drupal_ui\Functional\d6;
 
-use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeTestBase;
+use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeExecuteTestBase;
 use Drupal\user\Entity\User;
 
 /**
  * Tests Drupal 6 upgrade using the migrate UI.
  *
- * The test method is provided by the MigrateUpgradeTestBase class.
+ * The test method is provided by the MigrateUpgradeTest class.
  *
  * @group migrate_drupal_ui
  */
-class MigrateUpgrade6Test extends MigrateUpgradeTestBase {
+class MigrateUpgrade6Test extends MigrateUpgradeExecuteTestBase {
 
   /**
    * {@inheritdoc}
@@ -93,34 +93,43 @@ protected function getAvailablePaths() {
       'date',
       'dblog',
       'email',
-      'entityreference',
-      'file',
       'filefield',
       'filter',
+      'forum',
       'i18ntaxonomy',
-      'image',
       'imagecache',
       'imagefield',
+      'language',
       'link',
-      'list',
-      'menu',
       'locale',
+      'menu',
       'node',
-      'node_reference',
-      'number',
-      'options',
+      'nodereference',
       'optionwidgets',
       'path',
-      'phone',
       'profile',
       'search',
+      'statistics',
       'system',
       'taxonomy',
       'text',
-      'translation',
       'upload',
       'user',
-      'user_reference',
+      'userreference',
+      // Modules that have no upgrade path.
+      'date_api',
+      'date_timezone',
+      'i18n',
+      'i18nstrings',
+      'imageapi',
+      'number',
+      'php',
+      'profile',
+      'variable_admin',
+      // To test that contrib modules can alter this list, Event is added here
+      // by a hook_form_alter().
+      // @see upgrade_form_alter_test_form_migrate_drupal_ui_form_alter().
+      'event',
     ];
   }
 
@@ -129,27 +138,24 @@ protected function getAvailablePaths() {
    */
   protected function getMissingPaths() {
     return [
-      'date_api',
-      'date_timezone',
-      'event',
-      'i18n',
+      // To test that contrib modules can alter this list, Event is removed from
+      // here by a hook_form_alter().
+      // @see upgrade_form_alter_test_form_migrate_drupal_ui_form_alter().
       'i18nblocks',
       'i18ncck',
       'i18ncontent',
       'i18nmenu',
+      // This module is in the missing path list because it is installed on the
+      // source site but it is not installed on the destination site.
       'i18nprofile',
-      'i18nstrings',
-      'imageapi',
-      'php',
-      'variable_admin',
     ];
   }
 
   /**
    * Executes all steps of migrations upgrade.
    */
-  public function testMigrateUpgrade() {
-    parent::testMigrateUpgrade();
+  public function testMigrateUpgradeExecute() {
+    parent::testMigrateUpgradeExecute();
 
     // Ensure migrated users can log in.
     $user = User::load(2);
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7ReviewPageTest.php b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7ReviewPageTest.php
new file mode 100644
index 0000000000..9452c31cf1
--- /dev/null
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7ReviewPageTest.php
@@ -0,0 +1,119 @@
+<?php
+
+namespace Drupal\Tests\migrate_drupal_ui\Functional\d7;
+
+use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeReviewPageTestBase;
+
+/**
+ * Tests migrate upgrade review page for Drupal 7.
+ *
+ * @group migrate_drupal_ui
+ */
+class MigrateUpgrade7ReviewPageTest extends MigrateUpgradeReviewPageTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->loadFixture(drupal_get_path('module', 'migrate_drupal') . '/tests/fixtures/drupal7.php');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getAvailablePaths() {
+    return [
+      'aggregator',
+      'block',
+      'comment',
+      'contact',
+      'date',
+      'dblog',
+      'email',
+      'field',
+      'field_sql_storage',
+      'file',
+      'filter',
+      'forum',
+      'image',
+      'language',
+      'link',
+      'list',
+      'locale',
+      'menu',
+      'node',
+      'number',
+      'options',
+      'path',
+      'phone',
+      'profile',
+      'search',
+      'shortcut',
+      'statistics',
+      'syslog',
+      'system',
+      'taxonomy',
+      'text',
+      'tracker',
+      'update',
+      'user',
+      // Modules that have no upgrade path.
+      'blog',
+      'book',
+      'bulk_export',
+      'contextual',
+      'ctools',
+      'ctools_access_ruleset',
+      'ctools_ajax_sample',
+      'ctools_custom_content',
+      'dashboard',
+      'date_all_day',
+      'date_api',
+      'date_context',
+      'date_migrate',
+      'date_popup',
+      'date_repeat',
+      'date_repeat_field',
+      'date_tools',
+      'date_views',
+      'entity',
+      'entity_feature',
+      'entity_token',
+      'entityreference',
+      'field_ui',
+      'help',
+      'openid',
+      'overlay',
+      'page_manager',
+      'php',
+      'poll',
+      'search_embedded_form',
+      'search_extra_type',
+      'search_node_tags',
+      'simpletest',
+      'stylizer',
+      'term_depth',
+      'translation',
+      'toolbar',
+      'trigger',
+      'views_content',
+      'views_ui',
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getMissingPaths() {
+    return [
+      // To test that contrib modules can alter this list, Book is removed from
+      // here by a hook_form_alter().
+      // @see upgrade_form_alter_test_form_migrate_drupal_ui_form_alter().
+      'color',
+      'rdf',
+      'views',
+    ];
+  }
+
+}
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7Test.php b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7Test.php
index 21210dde76..5ab7143453 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7Test.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/d7/MigrateUpgrade7Test.php
@@ -2,17 +2,17 @@
 
 namespace Drupal\Tests\migrate_drupal_ui\Functional\d7;
 
-use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeTestBase;
+use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeExecuteTestBase;
 use Drupal\user\Entity\User;
 
 /**
  * Tests Drupal 7 upgrade using the migrate UI.
  *
- * The test method is provided by the MigrateUpgradeTestBase class.
+ * The test method is provided by the MigrateUpgradeTest class.
  *
  * @group migrate_drupal_ui
  */
-class MigrateUpgrade7Test extends MigrateUpgradeTestBase {
+class MigrateUpgrade7Test extends MigrateUpgradeExecuteTestBase {
 
   /**
    * {@inheritdoc}
@@ -90,6 +90,10 @@ protected function getAvailablePaths() {
     return [
       'aggregator',
       'block',
+      // To test that contrib modules can alter this list, Book is added here
+      // by a hook_form_alter().
+      // @see upgrade_form_alter_test_form_migrate_drupal_ui_form_alter().
+      'book',
       'comment',
       'contact',
       'date',
@@ -99,20 +103,17 @@ protected function getAvailablePaths() {
       'field',
       'field_sql_storage',
       'file',
-      'filefield',
       'filter',
       'forum',
       'image',
-      'imagefield',
+      'language',
       'link',
       'list',
       'locale',
       'menu',
       'node',
-      'node_reference',
       'number',
       'options',
-      'optionwidgets',
       'path',
       'phone',
       'search',
@@ -121,9 +122,22 @@ protected function getAvailablePaths() {
       'system',
       'taxonomy',
       'text',
-      'translation',
       'user',
-      'user_reference',
+      // Modules that have no upgrade path.
+      'blog',
+      'contextual',
+      'date_api',
+      'entity',
+      'field_ui',
+      'help',
+      'php',
+      'simpletest',
+      'toolbar',
+      'trigger',
+      // To test that contrib modules can alter this list, Book is added here
+      // by a hook_form_alter().
+      // @see upgrade_form_alter_test_form_migrate_drupal_ui_form_alter().
+      'book',
     ];
   }
 
@@ -132,21 +146,15 @@ protected function getAvailablePaths() {
    */
   protected function getMissingPaths() {
     return [
-      'blog',
-      'book',
+      // To test that contrib modules can alter this list, Book is removed from
+      // here by a hook_form_alter().
+      // @see upgrade_form_alter_test_form_migrate_drupal_ui_form_alter().
       'color',
-      'contextual',
-      'date_api',
-      'entity',
-      'field_ui',
-      'help',
-      'php',
       'rdf',
-      'simpletest',
+      // These modules are in the missing path list because they are installed
+      // on the source site but they are not installed on the destination site.
       'syslog',
-      'toolbar',
       'tracker',
-      'trigger',
       'update',
     ];
   }
@@ -154,8 +162,8 @@ protected function getMissingPaths() {
   /**
    * Executes all steps of migrations upgrade.
    */
-  public function testMigrateUpgrade() {
-    parent::testMigrateUpgrade();
+  public function testMigrateUpgradeExecute() {
+    parent::testMigrateUpgradeExecute();
 
     // Ensure migrated users can log in.
     $user = User::load(2);
diff --git a/core/modules/node/migrations/d6_node_translation.yml b/core/modules/node/migrations/d6_node_translation.yml
index 4bf36da736..88d79dd9b4 100644
--- a/core/modules/node/migrations/d6_node_translation.yml
+++ b/core/modules/node/migrations/d6_node_translation.yml
@@ -6,7 +6,6 @@ deriver: Drupal\node\Plugin\migrate\D6NodeDeriver
 source:
   plugin: d6_node
   translations: true
-  source_module: translation
 process:
   # If you are using this file to build a custom migration consider removing
   # the nid field to allow incremental migrations.
diff --git a/core/modules/node/migrations/d7_node_translation.yml b/core/modules/node/migrations/d7_node_translation.yml
index 856f34505e..69217b971f 100644
--- a/core/modules/node/migrations/d7_node_translation.yml
+++ b/core/modules/node/migrations/d7_node_translation.yml
@@ -7,7 +7,6 @@ deriver: Drupal\node\Plugin\migrate\D7NodeDeriver
 source:
   plugin: d7_node
   translations: true
-  source_module: translation
 process:
   # If you are using this file to build a custom migration consider removing
   # the nid field to allow incremental migrations.