diff --git a/src/Symfony/Component/Mailer/Bridge/Mailchimp/Http/MandrillTransport.php b/src/Symfony/Component/Mailer/Bridge/Mailchimp/Http/MandrillTransport.php
deleted file mode 100644
index 79201f7f8acb..000000000000
--- a/src/Symfony/Component/Mailer/Bridge/Mailchimp/Http/MandrillTransport.php
+++ /dev/null
@@ -1,71 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Mailer\Bridge\Mailchimp\Http;
-
-use Psr\Log\LoggerInterface;
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
-use Symfony\Component\Mailer\Exception\TransportException;
-use Symfony\Component\Mailer\SentMessage;
-use Symfony\Component\Mailer\SmtpEnvelope;
-use Symfony\Component\Mailer\Transport\AbstractHttpTransport;
-use Symfony\Component\Mime\Address;
-use Symfony\Contracts\HttpClient\HttpClientInterface;
-
-/**
- * @author Kevin Verschaeve
- *
- * @experimental in 4.3
- */
-class MandrillTransport extends AbstractHttpTransport
-{
-    private const ENDPOINT = 'https://mandrillapp.com/api/1.0/messages/send-raw.json';
-    private $key;
-
-    public function __construct(string $key, HttpClientInterface $client = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
-    {
-        $this->key = $key;
-
-        parent::__construct($client, $dispatcher, $logger);
-    }
-
-    protected function doSend(SentMessage $message): void
-    {
-        $envelope = $message->getEnvelope();
-        $response = $this->client->request('POST', self::ENDPOINT, [
-            'json' => [
-                'key' => $this->key,
-                'to' => $this->getRecipients($envelope),
-                'from_email' => $envelope->getSender()->getAddress(),
-                'raw_message' => $message->toString(),
-            ],
-        ]);
-
-        if (200 !== $response->getStatusCode()) {
-            $result = $response->toArray(false);
-            if ('error' === ($result['status'] ?? false)) {
-                throw new TransportException(sprintf('Unable to send an email: %s (code %s).', $result['message'], $result['code']));
-            }
-
-            throw new TransportException(sprintf('Unable to send an email (code %s).', $result['code']));
-        }
-    }
-
-    /**
-     * @return string[]
-     */
-    private function getRecipients(SmtpEnvelope $envelope): array
-    {
-        return array_map(function (Address $recipient): string {
-            return $recipient->getAddress();
-        }, $envelope->getRecipients());
-    }
-}