diff --git a/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php b/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php
index 3919c09d4f7..63fe6a5c158 100644
--- a/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php
+++ b/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php
@@ -4,7 +4,6 @@
 
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-use Symfony\Contracts\EventDispatcher\Event;
 use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
 
 /**
diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index 14e0401dd10..79b35a6d7ca 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -16,7 +16,6 @@
 use Drupal\Core\DependencyInjection\ServiceProviderInterface;
 use Drupal\Core\DependencyInjection\YamlFileLoader;
 use Drupal\Core\Extension\ExtensionDiscovery;
-use Drupal\Core\File\MimeType\MimeTypeGuesser;
 use Drupal\Core\Http\TrustedHostsRequestFactory;
 use Drupal\Core\Installer\InstallerKernel;
 use Drupal\Core\Installer\InstallerRedirectTrait;
diff --git a/core/tests/Drupal/KernelTests/Core/File/MimeTypeTest.php b/core/tests/Drupal/KernelTests/Core/File/MimeTypeTest.php
index 1099dd0656d..2830ec48e18 100644
--- a/core/tests/Drupal/KernelTests/Core/File/MimeTypeTest.php
+++ b/core/tests/Drupal/KernelTests/Core/File/MimeTypeTest.php
@@ -89,19 +89,4 @@ public function testFileMimeTypeDetection() {
     }
   }
 
-  /**
-   * Test deprecations.
-   *
-   * @group legacy
-   * @expectedDeprecation The "Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser" class is deprecated since Symfony 4.3, use "Symfony\Component\Mime\MimeTypes" instead.
-   * @expectedDeprecation The "Symfony\Component\HttpFoundation\File\MimeType\FileBinaryMimeTypeGuesser" class is deprecated since Symfony 4.3, use "Symfony\Component\Mime\FileBinaryMimeTypeGuesser" instead.
-   * @expectedDeprecation The "Symfony\Component\HttpFoundation\File\MimeType\FileinfoMimeTypeGuesser" class is deprecated since Symfony 4.3, use "Symfony\Component\Mime\FileinfoMimeTypeGuesser" instead.
-   * @expectedDeprecation Drupal\Core\File\MimeType\MimeTypeGuesser::guess() is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use ::guessMimeType() instead. See https://www.drupal.org/node/3133341
-   */
-  public function testFileMimeTypeDetectionDeprecation() {
-    $guesser = $this->container->get('file.mime_type.guesser');
-    $output = $guesser->guess('public://test.jar');
-    $this->assertSame('application/java-archive', $output);
-  }
-
 }
diff --git a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
index 68b006ac654..f002e9f1907 100644
--- a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
+++ b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
@@ -136,11 +136,8 @@ public static function getSkippedDeprecations() {
       // Deprecation introduced in Symfony 5
       'Since symfony/dependency-injection 5.1: The signature of method "Symfony\Component\DependencyInjection\Alias::setDeprecated()" requires 3 arguments: "string $package, string $version, string $message", not defining them is deprecated.',
       'Since symfony/dependency-injection 5.1: The signature of method "Symfony\Component\DependencyInjection\Definition::setDeprecated()" requires 3 arguments: "string $package, string $version, string $message", not defining them is deprecated.',
-      'Since symfony/http-foundation 5.1: Retrieving a non-string value from "Symfony\Component\HttpFoundation\InputBag::get()" is deprecated, and will throw a "Symfony\Component\HttpFoundation\Exception\BadRequestException" exception in Symfony 6.0, use "Symfony\Component\HttpFoundation\InputBag::all($key)" instead.'
+      'Since symfony/http-foundation 5.1: Retrieving a non-string value from "Symfony\Component\HttpFoundation\InputBag::get()" is deprecated, and will throw a "Symfony\Component\HttpFoundation\Exception\BadRequestException" exception in Symfony 6.0, use "Symfony\Component\HttpFoundation\InputBag::all($key)" instead.',
     ];
-
-    // Deprecations introduced in Symfony 5
-
   }
 
   /**