diff --git a/core/modules/migrate/src/MigrateExecutableInterface.php b/core/modules/migrate/src/MigrateExecutableInterface.php
index 33d5914..33e300e 100644
--- a/core/modules/migrate/src/MigrateExecutableInterface.php
+++ b/core/modules/migrate/src/MigrateExecutableInterface.php
@@ -29,7 +29,7 @@ public function rollback();
    *   Usually setting this is not necessary as $process typically starts with
    *   a 'get'. This is useful only when the $process contains a single
    *   destination and needs to access a value outside of the source. See
-   *   \Drupal\migrate\Plugin\migrate\process\Iterator::transformKey for an
+   *   \Drupal\migrate\Plugin\migrate\process\SubProcess::transformKey for an
    *   example.
    *
    * @throws \Drupal\migrate\MigrateException
diff --git a/core/modules/migrate/tests/src/Unit/process/IteratorTest.php b/core/modules/migrate/tests/src/Unit/process/IteratorTest.php
index dbf0c6b..adafe85 100644
--- a/core/modules/migrate/tests/src/Unit/process/IteratorTest.php
+++ b/core/modules/migrate/tests/src/Unit/process/IteratorTest.php
@@ -4,7 +4,7 @@
 
 use Drupal\migrate\MigrateExecutable;
 use Drupal\migrate\Plugin\migrate\process\Get;
-use Drupal\migrate\Plugin\migrate\process\Iterator;
+use Drupal\migrate\Plugin\migrate\process\SubProcess;
 use Drupal\migrate\Row;
 use Drupal\Tests\migrate\Unit\MigrateTestCase;
 
@@ -18,7 +18,7 @@ class IteratorTest extends MigrateTestCase {
   /**
    * The iterator plugin being tested.
    *
-   * @var \Drupal\migrate\Plugin\migrate\process\TestIterator
+   * @var \Drupal\migrate\Plugin\migrate\process\SubProcess
    */
   protected $plugin;
 
diff --git a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
index 08c84a1..f97bcd9 100644
--- a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
+++ b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
@@ -112,7 +112,6 @@ public static function getSkippedDeprecations() {
       'MigrateCckFieldPluginManager is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \Drupal\migrate_drupal\Annotation\MigrateFieldPluginManager instead.',
       'MigrateCckFieldPluginManagerInterface is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \Drupal\migrate_drupal\Annotation\MigrateFieldPluginManagerInterface instead.',
       'The "plugin.manager.migrate.cckfield" service is deprecated. You should use the \'plugin.manager.migrate.field\' service instead. See https://www.drupal.org/node/2751897',
-      'The Drupal\migrate\Plugin\migrate\process\Iterator is deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.0. Instead, use Drupal\migrate\Plugin\migrate\process\SubProcess',
       'Drupal\system\Tests\Update\DbUpdatesTrait is deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0. Use \Drupal\FunctionalTests\Update\DbUpdatesTrait instead. See https://www.drupal.org/node/2896640.',
       'Using "null" for the value of node "count" of "Drupal\Core\Template\TwigNodeTrans" is deprecated since version 1.25 and will be removed in 2.0.',
       'Using "null" for the value of node "options" of "Drupal\Core\Template\TwigNodeTrans" is deprecated since version 1.25 and will be removed in 2.0.',
