diff --git a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
index 9103ab8c07..b97b40f4ce 100644
--- a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
+++ b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
@@ -29,7 +29,9 @@ class ExtensionInstallStorage extends InstallStorage {
   /**
    * The name of the currently active installation profile.
    *
-   * @var string
+   * In the early installer this value can be NULL.
+   *
+   * @var string|NULL
    */
   protected $installProfile;
 
@@ -41,26 +43,27 @@ class ExtensionInstallStorage extends InstallStorage {
    *   themes is stored.
    * @param string $directory
    *   The directory to scan in each extension to scan for files. Defaults to
-   *   'config/install'.
+   *   'config/install'. This parameter will be mandatory in Drupal 9.0.0.
    * @param string $collection
    *   (optional) The collection to store configuration in. Defaults to the
-   *   default collection.
+   *   default collection. This parameter will be mandatory in Drupal 9.0.0.
    * @param bool $include_profile
    *   (optional) Whether to include the install profile in extensions to
-   *   search and to get overrides from.
-   * @param string $profile
+   *   search and to get overrides from. This parameter will be mandatory in
+   *   Drupal 9.0.0.
+   * @param string|null $profile
    *   (optional) The current installation profile. This parameter will be
-   *   mandatory in Drupal 9.0.0. In Drupal 8.3.0 not providing this parameter
-   *   will trigger a silenced deprecation warning.
+   *   mandatory in Drupal 9.0.0.
    */
   public function __construct(StorageInterface $config_storage, $directory = self::CONFIG_INSTALL_DIRECTORY, $collection = StorageInterface::DEFAULT_COLLECTION, $include_profile = TRUE, $profile = NULL) {
     parent::__construct($directory, $collection);
     $this->configStorage = $config_storage;
     $this->includeProfile = $include_profile;
-    if (is_null($profile)) {
-      @trigger_error('Install profile will be a mandatory parameter in Drupal 9.0.', E_USER_DEPRECATED);
+    if (count(func_get_args()) < 5) {
+      $profile = \Drupal::installProfile();
+      @trigger_error('All \Drupal\Core\Config\ExtensionInstallStorage::__construct() arguments will be required in Drupal 9.0. See https://www.drupal.org/node/2538996', E_USER_DEPRECATED);
     }
-    $this->installProfile = $profile ?: \Drupal::installProfile();
+    $this->installProfile = $profile;
   }
 
   /**
diff --git a/core/tests/Drupal/Tests/Core/Config/ExtensionInstallStorageTest.php b/core/tests/Drupal/Tests/Core/Config/ExtensionInstallStorageTest.php
new file mode 100644
index 0000000000..2e96588761
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/Config/ExtensionInstallStorageTest.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Drupal\Tests\Core\Config;
+
+use Drupal\Core\Config\ExtensionInstallStorage;
+use Drupal\Core\Config\StorageInterface;
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Tests the Config.
+ *
+ * @coversDefaultClass \Drupal\Core\Config\ExtensionInstallStorage
+ *
+ * @group Config
+ *
+ * @see \Drupal\Core\Config\Config
+ */
+class ExtensionInstallStorageTest extends UnitTestCase {
+
+  /**
+   * @covers ::__construct
+   * @group legacy
+   * @dataProvider providerTestProfileDeprecation
+   * @expectedDeprecation All \Drupal\Core\Config\ExtensionInstallStorage::__construct() arguments will be required in Drupal 9.0. See https://www.drupal.org/node/2538996
+   */
+  public function testProfileDeprecation($container_profile) {
+    $config_storage = $this->prophesize(StorageInterface::class)->reveal();
+    $container = new ContainerBuilder();
+    $container->setParameter('install_profile', $container_profile);
+    \Drupal::setContainer($container);
+    $storage = new TestExtensionInstallStorage($config_storage);
+    $this->assertSame($container_profile, $storage->getProfile());
+  }
+
+  /**
+   * Data provider for ::testProfileDeprecation
+   */
+  public function providerTestProfileDeprecation() {
+    return [
+      'null profile' => [NULL],
+      'test profile' => ['test'],
+    ];
+  }
+
+}
+
+class TestExtensionInstallStorage extends ExtensionInstallStorage {
+
+  /**
+   * Gets the install profile value.
+   *
+   * @return string|null
+   */
+  public function getProfile() {
+    return $this->installProfile;
+  }
+
+}
diff --git a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
index 4265028db6..25297d7f5b 100644
--- a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
+++ b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
@@ -118,7 +118,6 @@ private function willBeIsolated($test) {
    */
   public static function getSkippedDeprecations() {
     return [
-      'Install profile will be a mandatory parameter in Drupal 9.0.',
       'MigrateCckField is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \Drupal\migrate_drupal\Annotation\MigrateField instead.',
       '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.',