diff --git a/core/modules/migrate/src/Plugin/migrate/id_map/Sql.php b/core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
index 3f7093a1e7..178d316e99 100644
--- a/core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
+++ b/core/modules/migrate/src/Plugin/migrate/id_map/Sql.php
@@ -13,7 +13,6 @@
 use Drupal\migrate\MigrateException;
 use Drupal\migrate\MigrateMessageInterface;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
-use Drupal\migrate\Plugin\MigrationPluginManagerInterface;
 use Drupal\migrate\Row;
 use Drupal\migrate\Event\MigrateEvents;
 use Drupal\migrate\Event\MigrateMapSaveEvent;
@@ -86,13 +85,6 @@ class Sql extends PluginBase implements MigrateIdMapInterface, ContainerFactoryP
   protected $migration;
 
   /**
-   * The migration plugin manager.
-   *
-   * @var \Drupal\migrate\Plugin\MigrationPluginManagerInterface
-   */
-  protected $migration_plugin_manager;
-
-  /**
    * The source ID fields.
    *
    * @var array
@@ -163,15 +155,12 @@ class Sql extends PluginBase implements MigrateIdMapInterface, ContainerFactoryP
    *   The migration to do.
    * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
    *   The event dispatcher.
-   * @param \Drupal\migrate\Plugin\MigrationPluginManagerInterface $migration_plugin_manager
-   *   The migration plugin manager.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EventDispatcherInterface $event_dispatcher, MigrationPluginManagerInterface $migration_plugin_manager) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EventDispatcherInterface $event_dispatcher) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->migration = $migration;
     $this->eventDispatcher = $event_dispatcher;
     $this->message = new MigrateMessage();
-    $this->migration_plugin_manager = $migration_plugin_manager;
   }
 
   /**
@@ -941,6 +930,18 @@ public function valid() {
   }
 
   /**
+   * Get the migration plugin manager.
+   *
+   * @todo Inject as a dependency in https://www.drupal.org/node/2919158.
+   *
+   * @return \Drupal\migrate\Plugin\MigrationPluginManagerInterface
+   *   The migration plugin manager.
+   */
+  protected function getMigrationPluginManager() {
+    return \Drupal::service('plugin.manager.migration');
+  }
+
+  /**
    * {@inheritdoc}
    */
   public function getHighestId() {
@@ -961,12 +962,13 @@ function (array $id) {
     // If there's a bundle, it means we have a derived migration and we need to
     // find all the mapping tables from the related derived migrations.
     if ($base_id = substr($this->migration->id(), 0, strpos($this->migration->id(), static::DERIVATIVE_SEPARATOR))) {
-      $migrations = $this->migration_plugin_manager->getDefinitions();
+      $migration_manager = $this->getMigrationPluginManager();
+      $migrations = $migration_manager->getDefinitions();
       foreach ($migrations as $migration_id => $migration) {
         if ($migration['id'] === $base_id) {
           // Get this derived migration's mapping table and add it to the list
           // of mapping tables to look in for the highest ID.
-          $stub = $this->migration_plugin_manager->createInstance($migration_id);
+          $stub = $migration_manager->createInstance($migration_id);
           $map_tables[$migration_id] = $stub->getIdMap()->mapTableName();
         }
       }
diff --git a/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapEnsureTablesTest.php b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapEnsureTablesTest.php
index 269728d973..3c3cba8859 100644
--- a/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapEnsureTablesTest.php
+++ b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapEnsureTablesTest.php
@@ -232,8 +232,7 @@ protected function runEnsureTablesTest($schema) {
       ->willReturn($plugin);
     /** @var \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher */
     $event_dispatcher = $this->getMock('Symfony\Component\EventDispatcher\EventDispatcherInterface');
-    $migration_plugin_manager = $this->getMock('Drupal\migrate\Plugin\MigrationPluginManagerInterface');
-    $map = new TestSqlIdMap($database, [], 'sql', [], $migration, $event_dispatcher, $migration_plugin_manager);
+    $map = new TestSqlIdMap($database, [], 'sql', [], $migration, $event_dispatcher);
     $map->getDatabase();
   }
 
diff --git a/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php
index c636b09560..2ad2b3dc51 100644
--- a/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php
+++ b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php
@@ -111,9 +111,8 @@ protected function getIdMap() {
       ->method('getDestinationPlugin')
       ->willReturn($plugin);
     $event_dispatcher = $this->getMock('Symfony\Component\EventDispatcher\EventDispatcherInterface');
-    $migration_plugin_manager = $this->getMock('Drupal\migrate\Plugin\MigrationPluginManagerInterface');
 
-    $id_map = new TestSqlIdMap($this->database, [], 'sql', [], $migration, $event_dispatcher, $migration_plugin_manager);
+    $id_map = new TestSqlIdMap($this->database, [], 'sql', [], $migration, $event_dispatcher);
     $migration
       ->method('getIdMap')
       ->willReturn($id_map);
diff --git a/core/modules/migrate/tests/src/Unit/TestSqlIdMap.php b/core/modules/migrate/tests/src/Unit/TestSqlIdMap.php
index f3ee60ad18..6d3333848f 100644
--- a/core/modules/migrate/tests/src/Unit/TestSqlIdMap.php
+++ b/core/modules/migrate/tests/src/Unit/TestSqlIdMap.php
@@ -6,7 +6,6 @@
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\migrate\MigrateException;
 use Drupal\migrate\Plugin\migrate\id_map\Sql;
-use Drupal\migrate\Plugin\MigrationPluginManagerInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 /**
@@ -29,12 +28,10 @@ class TestSqlIdMap extends Sql implements \Iterator {
    *   The migration to do.
    * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
    *   The event dispatcher service.
-   * @param \Drupal\migrate\Plugin\MigrationPluginManagerInterface $migration_plugin_manager
-   *   The migration plugin manager.
    */
-  public function __construct(Connection $database, array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EventDispatcherInterface $event_dispatcher, MigrationPluginManagerInterface $migration_plugin_manager) {
+  public function __construct(Connection $database, array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EventDispatcherInterface $event_dispatcher) {
     $this->database = $database;
-    parent::__construct($configuration, $plugin_id, $plugin_definition, $migration, $event_dispatcher, $migration_plugin_manager);
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $migration, $event_dispatcher);
   }
 
   /**