diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 890af7a563..c9ca648e3c 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -424,8 +424,11 @@ function install_begin_request($class_loader, &$install_state) {
   }
   $GLOBALS['conf']['container_service_providers']['InstallerConfigOverride'] = 'Drupal\Core\Installer\ConfigOverride';
 
-  // Only allow dumping the container once the hash salt has been created.
-  $kernel = InstallerKernel::createFromRequest($request, $class_loader, $environment, (bool) Settings::get('hash_salt', FALSE));
+  // Only allow dumping the container once the hash salt has been created. Note,
+  // InstallerKernel::createFromRequest() is not used because Settings is
+  // already initialized.
+  $kernel = new InstallerKernel($environment, $class_loader, (bool) Settings::get('hash_salt', FALSE));
+  $kernel::bootEnvironment();
   $kernel->setSitePath($site_path);
   $kernel->boot();
   $container = $kernel->getContainer();
diff --git a/core/lib/Drupal/Core/Installer/InstallerKernel.php b/core/lib/Drupal/Core/Installer/InstallerKernel.php
index 45708424d7..adeb5c53ee 100644
--- a/core/lib/Drupal/Core/Installer/InstallerKernel.php
+++ b/core/lib/Drupal/Core/Installer/InstallerKernel.php
@@ -3,8 +3,6 @@
 namespace Drupal\Core\Installer;
 
 use Drupal\Core\DrupalKernel;
-use Drupal\Core\Site\Settings;
-use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Extend DrupalKernel to handle force some kernel behaviors.
@@ -68,21 +66,4 @@ public function getInstallProfile() {
     return $profile;
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public static function createFromRequest(Request $request, $class_loader, $environment, $allow_dumping = TRUE, $app_root = NULL) {
-    $kernel = new static($environment, $class_loader, $allow_dumping, $app_root);
-    static::bootEnvironment($app_root);
-    // Don't initialize settings again if they already have been. This can occur
-    // in install_begin_request().
-    try {
-      Settings::getInstance();
-    }
-    catch (\BadMethodCallException $e) {
-      $kernel->initializeSettings($request);
-    }
-    return $kernel;
-  }
-
 }
diff --git a/core/tests/Drupal/Tests/Core/Installer/InstallerKernelTest.php b/core/tests/Drupal/Tests/Core/Installer/InstallerKernelTest.php
deleted file mode 100644
index 56be6c85bf..0000000000
--- a/core/tests/Drupal/Tests/Core/Installer/InstallerKernelTest.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-
-namespace Drupal\Tests\Core\Installer;
-
-use Composer\Autoload\ClassLoader;
-use Drupal\Core\Installer\InstallerKernel;
-use Drupal\Core\Site\Settings;
-use Drupal\Tests\UnitTestCase;
-use Symfony\Component\HttpFoundation\Request;
-
-/**
- * Tests the image class.
- *
- * @runTestsInSeparateProcesses
- * @preserveGlobalState disabled
- * @group Installer
- * @coversDefaultClass \Drupal\Core\Installer\InstallerKernel
- */
-class InstallerKernelTest extends UnitTestCase {
-
-  /**
-   * Tests that createFromRequest doesn't re-initialize Settings.
-   *
-   * @covers ::createFromRequest
-   */
-  public function testCreateFromRequestWithSettings() {
-    new Settings(['foo' => 'bar']);
-    $request = Request::createFromGlobals();
-    $classloader = $this->prophesize(ClassLoader::class)->reveal();
-    InstallerKernel::createFromRequest($request, $classloader, 'test', FALSE, NULL);
-    $this->assertEquals('bar', Settings::get('foo'));
-  }
-
-  /**
-   * Tests that createFromRequest initializes Settings if necessary.
-   *
-   * @covers ::createFromRequest
-   */
-  public function testCreateFromRequestNoSettings() {
-    $exception_thrown = FALSE;
-    try {
-      Settings::getInstance();
-    }
-    catch (\BadMethodCallException $e) {
-      $exception_thrown = TRUE;
-    }
-    $this->assertTrue($exception_thrown);
-    $request = Request::createFromGlobals();
-    $classloader = $this->prophesize(ClassLoader::class)->reveal();
-    InstallerKernel::createFromRequest($request, $classloader, 'test', FALSE, NULL);
-    $this->assertInstanceOf(Settings::class, Settings::getInstance());
-  }
-
-}