diff -u b/core/modules/config_translation/migration_templates/d6_i18n_user_profile_field_instance.yml b/core/modules/config_translation/migration_templates/d6_i18n_user_profile_field_instance.yml
--- b/core/modules/config_translation/migration_templates/d6_i18n_user_profile_field_instance.yml
+++ b/core/modules/config_translation/migration_templates/d6_i18n_user_profile_field_instance.yml
@@ -22,6 +22,7 @@
   translation: translation
 destination:
   plugin: entity:field_config
+  translations: true
 migration_dependencies:
   required:
     - user_profile_field
diff -u b/core/modules/config_translation/tests/src/Kernel/Migrate/d6/MigrateI18nUserProfileFieldInstanceTest.php b/core/modules/config_translation/tests/src/Kernel/Migrate/d6/MigrateI18nUserProfileFieldInstanceTest.php
--- b/core/modules/config_translation/tests/src/Kernel/Migrate/d6/MigrateI18nUserProfileFieldInstanceTest.php
+++ b/core/modules/config_translation/tests/src/Kernel/Migrate/d6/MigrateI18nUserProfileFieldInstanceTest.php
@@ -21,17 +21,17 @@
    */
   protected function setUp() {
     parent::setUp();
-    $this->executeMigrations([
-      'user_profile_field',
-      'user_profile_field_instance',
-      'd6_i18n_user_profile_field_instance',
-    ]);
   }
 
   /**
    * Tests migration of translated user profile fields.
    */
   public function testUserProfileFields() {
+    $this->executeMigrations([
+      'user_profile_field',
+      'user_profile_field_instance',
+      'd6_i18n_user_profile_field_instance',
+    ]);
     $language_manager = $this->container->get('language_manager');
 
     $config_translation = $language_manager->getLanguageConfigOverride('fr', 'field.field.user.user.profile_love_migrations');
reverted:
--- b/core/modules/config_translation/tests/src/Plugin/migrate/source/d6/I18nProfileFieldTest.php
+++ /dev/null
@@ -1,79 +0,0 @@
-<?php
-
-namespace Drupal\Tests\config_translation\Kernal\Plugin\migrate\source\d6;
-
-use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
-
-/**
- * Tests the i18nProfileField source plugin.
- *
- * @covers \Drupal\config_translation\Plugin\migrate\source\d6\I18nProfileField
- * @group migrate_drupal
- */
-class I18nProfileFieldTest extends MigrateSqlSourceTestBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  public static $modules = ['config_translation', 'migrate_drupal', 'user'];
-
-  /**
-   * {@inheritdoc}
-   */
-  public function providerSource() {
-    $test = [];
-    $test[0]['source_data'] = [
-      'profile_fields' => [
-        [
-          'fid' => 42,
-          'title' => 'I love migrations',
-          'name' => 'profile_love_migrations',
-        ],
-      ],
-      'i18n_strings' => [
-        [
-          'lid' => 10,
-          'objectid' => 'profile_love_migrations',
-          'type' => 'field',
-          'property' => 'title',
-        ],
-        [
-          'lid' => 11,
-          'objectid' => 'profile_love_migrations',
-          'type' => 'field',
-          'property' => 'explanation'
-        ]
-      ],
-      'locales_target' => [
-        [
-          'lid' => 10,
-          'translation' => "J'aime les migrations.",
-          'language' => 'fr',
-        ],
-        [
-          'lid' => 11,
-          'translation' => 'Si vous cochez cette case, vous aimez les migrations.',
-          'language' => 'fr',
-        ],
-      ],
-    ];
-    $test[0]['expected_results'] = [
-      [
-        'property' => 'title',
-        'translation' => "J'aime les migrations.",
-        'language' => 'fr',
-        'fid' => '42',
-        'name' => 'profile_love_migrations',
-      ],
-      [
-        'property' => 'explanation',
-        'translation' => 'Si vous cochez cette case, vous aimez les migrations.',
-        'language' => 'fr',
-        'fid' => '42',
-        'name' => 'profile_love_migrations',
-      ],
-    ];
-    return $test;
-  }
-
-}
diff -u b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php
--- b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/EntityConfigBase.php
@@ -7,7 +7,7 @@
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Language\LanguageManagerInterface;
-use Drupal\language\ConfigurableLanguageManagerInterface;
+use Drupal\language\ConfigurableLanguageManager;
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\migrate\MigrateException;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
@@ -33,7 +33,7 @@
    */
   protected $languageManager;
 
- /**
+  /**
    * The configuration factory.
    *
    * @var \Drupal\Core\Config\ConfigFactoryInterface;
@@ -49,7 +49,7 @@
    *   The plugin_id for the plugin instance.
    * @param mixed $plugin_definition
    *   The plugin implementation definition.
-   * @param \Drupal\migrate\Plugin\MigrationInterface  $migration
+   * @param \Drupal\migrate\Plugin\MigrationInterface $migration
    *   The migration.
    * @param \Drupal\Core\Entity\EntityStorageInterface $storage
    *   The storage for this entity type.
@@ -60,7 +60,7 @@
    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The configuration factory.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EntityStorageInterface $storage, array $bundles, LanguageManagerInterface $language_manager, ConfigFactoryInterface $config_factory) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EntityStorageInterface $storage, array $bundles, LanguageManagerInterface  $language_manager, ConfigFactoryInterface $config_factory) {
     parent::__construct($configuration, $plugin_id, $plugin_definition, $migration, $storage, $bundles);
     $this->languageManager = $language_manager;
     $this->configFactory = $config_factory;
@@ -102,13 +102,26 @@
       }
     }
     $entity = $this->getEntity($row, $old_destination_id_values);
-    $entity->save();
+    // Translations are already saved in updateEntity by configuration override.
+    if (!$this->isTranslationDestination()) {
+      $entity->save();
+    }
     if (count($ids) > 1) {
       // This can only be a config entity, content entities have their ID key
       // and that's it.
       $return = array();
       foreach ($id_keys as $id_key) {
-        $return[] = $entity->get($id_key);
+        if ($this->isTranslationDestination()) {
+          if (($id_key == 'langcode')) {
+            $return[] = $row->getDestinationProperty($id_key);
+          }
+          else {
+            $return[] = $entity->get($id_key);
+          }
+        }
+        else {
+          $return[] = $entity->get($id_key);
+        }
       }
       return $return;
     }
@@ -116,11 +129,24 @@
   }
 
   /**
+   * Get whether this destination is for translations.
+   *
+   * @return bool
+   *   Whether this destination is for translations.
+   */
+  protected function isTranslationDestination() {
+    return !empty($this->configuration['translations']);
+  }
+
+  /**
    * {@inheritdoc}
    */
   public function getIds() {
     $id_key = $this->getKey('id');
     $ids[$id_key]['type'] = 'string';
+    if ($this->isTranslationDestination()) {
+      $ids['langcode']['type'] = 'string';
+    }
     return $ids;
   }
 
@@ -136,7 +162,7 @@
     // This is a translation if the language in the active config matches the
     // language of this row.
     $translation = FALSE;
-    if ($row->hasDestinationProperty('langcode') && $this->languageManager instanceof ConfigurableLanguageManagerInterface)  {
+    if ($row->hasDestinationProperty('langcode') && $this->languageManager instanceof ConfigurableLanguageManager)  {
       $config = $entity->getConfigDependencyName();
       $langcode = $this->configFactory->get('langcode');
       if ($langcode != $row->getDestinationProperty('langcode')) {
@@ -153,8 +179,8 @@
       foreach ($row->getRawDestination() as $property => $value) {
         $this->updateEntityProperty($entity, explode(Row::PROPERTY_SEPARATOR, $property), $value);
       }
+      $this->setRollbackAction($row->getIdMap());
     }
-    $this->setRollbackAction($row->getIdMap());
   }
 
   /**
@@ -195,7 +221,36 @@
     foreach ($ids as $id) {
+      if ($this->isTranslationDestination() && $id == 'langcode') {
+        continue;
+      }
       $id_values[] = $row->getDestinationProperty($id);
     }
     return implode('.', $id_values);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function rollback(array $destination_identifier) {
+    if ($this->isTranslationDestination()) {
+      // The entity id does not include the langcode.
+      $id_values = array();
+      foreach ($destination_identifier as $key => $value) {
+        if ($this->isTranslationDestination() && $key == 'langcode') {
+          continue;
+        }
+        $id_values[] = $value;
+      }
+      $entity_id = implode('.', $id_values);
+      $language = $destination_identifier['langcode'];
+
+      $config = $this->storage->load($entity_id)->getConfigDependencyName();
+      $config_override = $this->languageManager->getLanguageConfigOverride($language, $config);
+      // Rollback the translation.
+      $config_override->delete();
+    }
+    else {
+      parent::rollback($destination_identifier);
+    }
+  }
+
 }
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/config_translation/tests/src/Kernel/Plugin/migrate/source/d6/I18nProfileFieldTest.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace Drupal\Tests\config_translation\Kernel\Plugin\migrate\source\d6;
+
+use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
+
+/**
+ * Tests the i18nProfileField source plugin.
+ *
+ * @covers \Drupal\config_translation\Plugin\migrate\source\d6\I18nProfileField
+ * @group migrate_drupal
+ */
+class I18nProfileFieldTest extends MigrateSqlSourceTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['config_translation', 'migrate_drupal', 'user'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function providerSource() {
+    $test = [];
+    $test[0]['source_data'] = [
+      'profile_fields' => [
+        [
+          'fid' => 42,
+          'title' => 'I love migrations',
+          'name' => 'profile_love_migrations',
+        ],
+      ],
+      'i18n_strings' => [
+        [
+          'lid' => 10,
+          'objectid' => 'profile_love_migrations',
+          'type' => 'field',
+          'property' => 'title',
+        ],
+        [
+          'lid' => 11,
+          'objectid' => 'profile_love_migrations',
+          'type' => 'field',
+          'property' => 'explanation'
+        ]
+      ],
+      'locales_target' => [
+        [
+          'lid' => 10,
+          'translation' => "J'aime les migrations.",
+          'language' => 'fr',
+        ],
+        [
+          'lid' => 11,
+          'translation' => 'Si vous cochez cette case, vous aimez les migrations.',
+          'language' => 'fr',
+        ],
+      ],
+    ];
+    $test[0]['expected_results'] = [
+      [
+        'property' => 'title',
+        'translation' => "J'aime les migrations.",
+        'language' => 'fr',
+        'fid' => '42',
+        'name' => 'profile_love_migrations',
+      ],
+      [
+        'property' => 'explanation',
+        'translation' => 'Si vous cochez cette case, vous aimez les migrations.',
+        'language' => 'fr',
+        'fid' => '42',
+        'name' => 'profile_love_migrations',
+      ],
+    ];
+    return $test;
+  }
+
+}
only in patch2:
unchanged:
--- a/core/modules/migrate/src/Plugin/migrate/destination/EntityFieldInstance.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/EntityFieldInstance.php
@@ -18,15 +18,10 @@ public function getIds() {
     $ids['entity_type']['type'] = 'string';
     $ids['bundle']['type'] = 'string';
     $ids['field_name']['type'] = 'string';
+    if ($this->isTranslationDestination()) {
+      $ids['langcode']['type'] = 'string';
+    }
     return $ids;
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function rollback(array $destination_identifier) {
-    $destination_identifier = implode('.', $destination_identifier);
-    parent::rollback(array($destination_identifier));
-  }
-
 }
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/migrate/tests/src/Kernel/MigrateEntityConfigRollbackTest.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace Drupal\Tests\migrate\Kernel;
+
+use Drupal\migrate\MigrateExecutable;
+use Drupal\migrate\Plugin\MigrateIdMapInterface;
+use Drupal\migrate\Row;
+use Drupal\taxonomy\Entity\Term;
+use Drupal\taxonomy\Entity\Vocabulary;
+
+/**
+ * Tests rolling back of imports.
+ *
+ * @group migrate
+ */
+class MigrateRollbackEntityConfigTest extends MigrateTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['field', 'taxonomy', 'text', 'language', 'config_translation'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->installEntitySchema('taxonomy_vocabulary');
+    $this->installEntitySchema('taxonomy_term');
+    $this->installConfig(['taxonomy']);
+  }
+
+  /**
+   * Tests rolling back configuration entity translations.
+   */
+  public function testConfigEntityRollback() {
+    // We use vocabularies to demonstrate importing and rolling back
+    // configuration entities with translations. First, import vocabularies.
+    $vocabulary_data_rows = [
+      ['id' => '1', 'name' => 'categories', 'weight' => '2'],
+      ['id' => '2', 'name' => 'tags', 'weight' => '1'],
+    ];
+    $ids = ['id' => ['type' => 'integer']];
+    $definition = [
+      'id' => 'vocabularies',
+      'migration_tags' => ['Import and rollback test'],
+      'source' => [
+        'plugin' => 'embedded_data',
+        'data_rows' => $vocabulary_data_rows,
+        'ids' => $ids,
+      ],
+      'process' => [
+        'vid' => 'id',
+        'name' => 'name',
+        'weight' => 'weight',
+      ],
+      'destination' => ['plugin' => 'entity:taxonomy_vocabulary'],
+    ];
+
+    /** @var \Drupal\migrate\Plugin\Migration $vocabulary_migration */
+    $vocabulary_migration = \Drupal::service('plugin.manager.migration')
+      ->createStubMigration($definition);
+    $vocabulary_id_map = $vocabulary_migration->getIdMap();
+
+    $this->assertTrue($vocabulary_migration->getDestinationPlugin()
+      ->supportsRollback());
+
+    // Import and validate vocabulary config entities were created.
+    $vocabulary_executable = new MigrateExecutable($vocabulary_migration, $this);
+    $vocabulary_executable->import();
+    foreach ($vocabulary_data_rows as $row) {
+      /** @var Vocabulary $vocabulary */
+      $vocabulary = Vocabulary::load($row['id']);
+      $this->assertTrue($vocabulary);
+      $map_row = $vocabulary_id_map->getRowBySource(['id' => $row['id']]);
+      $this->assertNotNull($map_row['destid1']);
+    }
+
+    // Second, import translations of the vocabulary name property.
+    $vocabulary_i18n_data_rows = [
+      [
+        'id' => '1',
+        'name' => '1',
+        'language' => 'fr',
+        'property' => 'name',
+        'translation' => 'fr - categories'
+      ],
+      [
+        'id' => '2',
+        'name' => '2',
+        'language' => 'fr',
+        'property' => 'name',
+        'translation' => 'fr - tags'
+      ],
+    ];
+    $ids = [
+      'id' => ['type' => 'integer'],
+      'language' => ['type' => 'string'],
+    ];
+    $definition = [
+      'id' => 'i18n_vocabularies',
+      'migration_tags' => ['Import and rollback test'],
+      'source' => [
+        'plugin' => 'embedded_data',
+        'data_rows' => $vocabulary_i18n_data_rows,
+        'ids' => $ids,
+        'constants' => [
+          'name' => 'name',
+        ]
+      ],
+      'process' => [
+        'vid' => 'id',
+        'langcode' => 'language',
+        'property' => 'constants/name',
+        'translation' => 'translation',
+      ],
+      'destination' => [
+        'plugin' => 'entity:taxonomy_vocabulary',
+        'translations' => 'true',
+      ],
+    ];
+
+    $vocabulary_i18n__migration = \Drupal::service('plugin.manager.migration')
+      ->createStubMigration($definition);
+    $vocabulary_i18n_id_map = $vocabulary_i18n__migration->getIdMap();
+
+    $this->assertTrue($vocabulary_i18n__migration->getDestinationPlugin()
+      ->supportsRollback());
+
+    // Import and validate vocabulary config entities were created.
+    $vocabulary_i18n_executable = new MigrateExecutable($vocabulary_i18n__migration, $this);
+    $vocabulary_i18n_executable->import();
+
+    $language_manager = \Drupal::service('language_manager');
+    foreach ($vocabulary_i18n_data_rows as $row) {
+      $langcode = $row['language'];
+      $id = 'taxonomy.vocabulary.' . $row['id'];
+      /** @var \Drupal\language\Config\LanguageConfigOverride $config_translation */
+      $config_translation = $language_manager->getLanguageConfigOverride($langcode, $id);
+      $this->assertSame($row['translation'], $config_translation->get('name'));
+      $map_row = $vocabulary_i18n_id_map->getRowBySource(['id' => $row['id'], 'language' => $row['language']]);
+      $this->assertNotNull($map_row['destid1']);
+    }
+
+    // Perform the rollback and confirm the translation was deleted and the map
+    // table row removed.
+    $vocabulary_i18n_executable->rollback();
+    foreach ($vocabulary_i18n_data_rows as $row) {
+      $langcode = $row['language'];
+      $id = 'taxonomy.vocabulary.' . $row['id'];
+      /** @var \Drupal\language\Config\LanguageConfigOverride $config_translation */
+      $config_translation = $language_manager->getLanguageConfigOverride($langcode, $id);
+      $this->assertNull($config_translation->get('name'));
+      $map_row = $vocabulary_i18n_id_map->getRowBySource(['id' => $row['id'], 'language' => $row['language']]);
+      $this->assertFalse($map_row);
+    }
+
+    // Conform the Original vocabulary still exists.
+    foreach ($vocabulary_data_rows as $row) {
+      /** @var Vocabulary $vocabulary */
+      $vocabulary = Vocabulary::load($row['id']);
+      $this->assertTrue($vocabulary);
+      $map_row = $vocabulary_id_map->getRowBySource(['id' => $row['id']]);
+      $this->assertNotNull($map_row['destid1']);
+    }
+
+  }
+
+}
only in patch2:
unchanged:
--- a/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
@@ -642,6 +642,10 @@ class MigrateUpgradeForm extends ConfirmFormBase {
       'source_module' => 'profile',
       'destination_module' => 'user',
     ],
+    'd6_i18n_user_profile_field_instance' => [
+      'source_module' => 'i18n',
+      'destination_module' => 'user',
+    ],
   ];
 
   /**