diff --git a/composer.json b/composer.json
index d9b925fa..80aa680e 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,6 @@
     ],
     "require": {
         "php": "^7.2",
-        "abraham/twitteroauth": "^1.0",
         "algolia/algoliasearch-client-php": "^1.27",
         "cache/doctrine-adapter": "^1.0",
         "doctrine/inflector": "^1.4",
diff --git a/composer.lock b/composer.lock
index 18e41d1c..c5a67327 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,62 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7832a4005c54f88d398611a57376aafa",
+    "content-hash": "68ac21927e0c58d0a1ad8c3ba13b43ba",
     "packages": [
-        {
-            "name": "abraham/twitteroauth",
-            "version": "1.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/abraham/twitteroauth.git",
-                "reference": "d54b71c2eee94252154e7b50656e17422fa0b9e1"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/abraham/twitteroauth/zipball/d54b71c2eee94252154e7b50656e17422fa0b9e1",
-                "reference": "d54b71c2eee94252154e7b50656e17422fa0b9e1",
-                "shasum": ""
-            },
-            "require": {
-                "ext-curl": "*",
-                "php": "^7.2 || ^7.3"
-            },
-            "require-dev": {
-                "phpmd/phpmd": "~2.6",
-                "phpunit/phpunit": "~5.7",
-                "squizlabs/php_codesniffer": "~3.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Abraham\\TwitterOAuth\\": "src"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Abraham Williams",
-                    "email": "abraham@abrah.am",
-                    "homepage": "https://abrah.am",
-                    "role": "Developer"
-                }
-            ],
-            "description": "The most popular PHP library for use with the Twitter OAuth REST API.",
-            "homepage": "https://twitteroauth.com",
-            "keywords": [
-                "Twitter API",
-                "Twitter oAuth",
-                "api",
-                "oauth",
-                "rest",
-                "social",
-                "twitter"
-            ],
-            "time": "2019-11-29T14:55:32+00:00"
-        },
         {
             "name": "algolia/algoliasearch-client-php",
             "version": "1.28.1",
diff --git a/config/config.yml b/config/config.yml
index 740a915a..5b142ee6 100644
--- a/config/config.yml
+++ b/config/config.yml
@@ -2,11 +2,6 @@ parameters:
     doctrine.website.algolia.app_id: 'YVYTFT9XMW'
     doctrine.website.stripe.publishable_key: 'pk_test_V7rmF8ac3GbakeSJYvp4u0a8003RPO66vC'
 
-    doctrine.website.twitter.consumer_key: ''
-    doctrine.website.twitter.consumer_secret: ''
-    doctrine.website.twitter.oauth_token: ''
-    doctrine.website.twitter.oauth_token_secret: ''
-
     doctrine.website.webpack_build_dir: '%doctrine.website.root_dir%/.webpack-build'
     doctrine.website.projects_dir: '%doctrine.website.root_dir%/projects'
     doctrine.website.docs_dir: '%doctrine.website.cache_dir%/docs'
diff --git a/config/services.xml b/config/services.xml
index 1076d35e..841a9875 100644
--- a/config/services.xml
+++ b/config/services.xml
@@ -550,12 +550,5 @@
                 <argument>%doctrine.website.root_dir%/lib/Migrations</argument>
             </call>
         </service>
-
-        <service id="Abraham\TwitterOAuth\TwitterOAuth">
-            <argument>%doctrine.website.twitter.consumer_key%</argument>
-            <argument>%doctrine.website.twitter.consumer_secret%</argument>
-            <argument>%doctrine.website.twitter.oauth_token%</argument>
-            <argument>%doctrine.website.twitter.oauth_token_secret%</argument>
-        </service>
     </services>
 </container>
diff --git a/lib/Application.php b/lib/Application.php
index e29709c7..58c3e33e 100644
--- a/lib/Application.php
+++ b/lib/Application.php
@@ -13,7 +13,6 @@
 use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\Tools\Console\Command as ORMCommand;
 use Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper;
-use Doctrine\Website\Commands\AnnounceReleaseCommand;
 use Doctrine\Website\Commands\BuildAllCommand;
 use Doctrine\Website\Commands\BuildDocsCommand;
 use Doctrine\Website\Commands\BuildWebsiteCommand;
@@ -57,8 +56,7 @@ public function __construct(
         BuildWebsiteDataCommand $buildWebsiteDataCommand,
         ClearBuildCacheCommand $clearBuildCacheCommand,
         SyncRepositoriesCommand $syncRepositoriesCommand,
-        EventParticipantsCommand $eventParticipantsCommand,
-        AnnounceReleaseCommand $announceReleaseCommand
+        EventParticipantsCommand $eventParticipantsCommand
     ) {
         $this->application = $application;
 
@@ -69,7 +67,6 @@ public function __construct(
         $this->application->add($clearBuildCacheCommand);
         $this->application->add($syncRepositoriesCommand);
         $this->application->add($eventParticipantsCommand);
-        $this->application->add($announceReleaseCommand);
 
         $this->application->setHelperSet(new HelperSet([
             'question'      => new QuestionHelper(),
diff --git a/lib/Commands/AnnounceReleaseCommand.php b/lib/Commands/AnnounceReleaseCommand.php
deleted file mode 100644
index 9de8a31e..00000000
--- a/lib/Commands/AnnounceReleaseCommand.php
+++ /dev/null
@@ -1,72 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Commands;
-
-use Doctrine\Website\Release\AnnounceRelease;
-use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\InputArgument;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-use Throwable;
-
-use function assert;
-use function is_string;
-use function sprintf;
-
-final class AnnounceReleaseCommand extends Command
-{
-    /** @var string */
-    protected static $defaultName = 'announce-release';
-
-    /** @var AnnounceRelease */
-    private $announceRelease;
-
-    public function __construct(AnnounceRelease $announceRelease)
-    {
-        $this->announceRelease = $announceRelease;
-
-        parent::__construct();
-    }
-
-    protected function configure(): void
-    {
-        $this
-            ->setDescription('Announce a release on Twitter, Slack, etc.')
-            ->addArgument(
-                'project',
-                InputArgument::OPTIONAL,
-                'The project slug.'
-            )
-            ->addArgument(
-                'tag',
-                InputArgument::OPTIONAL,
-                'The tag slug.'
-            );
-    }
-
-    protected function execute(InputInterface $input, OutputInterface $output): int
-    {
-        $projectSlug = $input->getArgument('project');
-        assert(is_string($projectSlug));
-
-        $tagSlug = $input->getArgument('tag');
-        assert(is_string($tagSlug));
-
-        try {
-            $this->announceRelease->__invoke($projectSlug, $tagSlug);
-        } catch (Throwable $e) {
-            $output->writeln(sprintf(
-                '<error>Failed to announce release! Failed with error: %s</error>',
-                $e->getMessage()
-            ));
-
-            return 1;
-        }
-
-        $output->writeln('Successfully announced release!');
-
-        return 0;
-    }
-}
diff --git a/lib/Release/AnnounceRelease.php b/lib/Release/AnnounceRelease.php
deleted file mode 100644
index e47c4c9f..00000000
--- a/lib/Release/AnnounceRelease.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Release;
-
-use Doctrine\Website\Repositories\ProjectRepository;
-use Doctrine\Website\Twitter\TweetRelease;
-use InvalidArgumentException;
-
-use function count;
-use function explode;
-use function ltrim;
-use function sprintf;
-
-class AnnounceRelease
-{
-    /** @var ProjectRepository */
-    private $projectRepository;
-
-    /** @var TweetRelease */
-    private $tweetRelease;
-
-    public function __construct(
-        ProjectRepository $projectRepository,
-        TweetRelease $tweetRelease
-    ) {
-        $this->projectRepository = $projectRepository;
-        $this->tweetRelease      = $tweetRelease;
-    }
-
-    public function __invoke(string $projectSlug, string $tag): bool
-    {
-        $project = $this->projectRepository->findOneBySlug($projectSlug);
-
-        $tagSlug = ltrim($tag, 'v');
-
-        $e = explode('.', $tagSlug);
-
-        if (count($e) !== 3) {
-            throw new InvalidArgumentException(
-                sprintf('Tag "%s" improperly formatted. Expected format "1.0.0".', $tag)
-            );
-        }
-
-        $versionSlug = sprintf('%d.%d', $e[0], $e[1]);
-
-        $version = $project->getVersion($versionSlug);
-
-        $tag = $version->getTag($tagSlug);
-
-        return $this->tweetRelease->__invoke($project, $version, $tag);
-    }
-}
diff --git a/lib/Twitter/CreateTweet.php b/lib/Twitter/CreateTweet.php
deleted file mode 100644
index ae52939e..00000000
--- a/lib/Twitter/CreateTweet.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Twitter;
-
-interface CreateTweet
-{
-    public function __invoke(string $message): bool;
-}
diff --git a/lib/Twitter/TweetRelease.php b/lib/Twitter/TweetRelease.php
deleted file mode 100644
index 4ba78953..00000000
--- a/lib/Twitter/TweetRelease.php
+++ /dev/null
@@ -1,46 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Twitter;
-
-use Doctrine\StaticWebsiteGenerator\Routing\Router;
-use Doctrine\Website\Git\Tag;
-use Doctrine\Website\Model\Project;
-use Doctrine\Website\Model\ProjectVersion;
-use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
-
-use function sprintf;
-
-class TweetRelease
-{
-    /** @var CreateTweet */
-    private $createTweet;
-
-    /** @var Router */
-    private $router;
-
-    public function __construct(CreateTweet $createTweet, Router $router)
-    {
-        $this->createTweet = $createTweet;
-        $this->router      = $router;
-    }
-
-    public function __invoke(
-        Project $project,
-        ProjectVersion $projectVersion,
-        Tag $tag
-    ): bool {
-        $message = sprintf(
-            'Released Doctrine %s %s %s',
-            $project->getShortName(),
-            $tag->getDisplayName(),
-            $this->router->generate('project_version', [
-                'slug' => $project->getSlug(),
-                'versionSlug' => $projectVersion->getSlug(),
-            ], UrlGeneratorInterface::ABSOLUTE_URL)
-        );
-
-        return $this->createTweet->__invoke($message);
-    }
-}
diff --git a/lib/Twitter/TwitterOAuthCreateTweet.php b/lib/Twitter/TwitterOAuthCreateTweet.php
deleted file mode 100644
index 6420a056..00000000
--- a/lib/Twitter/TwitterOAuthCreateTweet.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Twitter;
-
-use Abraham\TwitterOAuth\TwitterOAuth;
-use RuntimeException;
-
-use function json_encode;
-use function sprintf;
-
-class TwitterOAuthCreateTweet implements CreateTweet
-{
-    /** @var TwitterOAuth */
-    private $twitter;
-
-    public function __construct(TwitterOAuth $twitter)
-    {
-        $this->twitter = $twitter;
-    }
-
-    public function __invoke(string $message): bool
-    {
-        $result = (array) $this->twitter->post('statuses/update', ['status' => $message]);
-
-        if (isset($result['id'])) {
-            return true;
-        }
-
-        throw new RuntimeException(
-            sprintf('Failed to create tweet: %s', json_encode($result))
-        );
-    }
-}
diff --git a/tests/Command/AnnounceReleaseCommandTest.php b/tests/Command/AnnounceReleaseCommandTest.php
deleted file mode 100644
index 3f9a5a08..00000000
--- a/tests/Command/AnnounceReleaseCommandTest.php
+++ /dev/null
@@ -1,133 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Tests\Command;
-
-use Doctrine\StaticWebsiteGenerator\Routing\Router;
-use Doctrine\Website\Commands\AnnounceReleaseCommand;
-use Doctrine\Website\Model\Project;
-use Doctrine\Website\Release\AnnounceRelease;
-use Doctrine\Website\Repositories\ProjectRepository;
-use Doctrine\Website\Tests\TestCase;
-use Doctrine\Website\Twitter\CreateTweet;
-use Doctrine\Website\Twitter\TweetRelease;
-use PHPUnit\Framework\MockObject\MockObject;
-use RuntimeException;
-use Symfony\Component\Console\Tester\CommandTester;
-
-use function trim;
-
-final class AnnounceReleaseCommandTest extends TestCase
-{
-    /** @var Project */
-    private $project;
-
-    /** @var CreateTweet|MockObject */
-    private $createTweet;
-
-    /** @var Router|MockObject */
-    private $router;
-
-    /** @var ProjectRepository|MockObject */
-    private $projectRepository;
-
-    /** @var TweetRelease */
-    private $tweetRelease;
-
-    /** @var AnnounceRelease */
-    private $announceRelease;
-
-    /** @var AnnounceReleaseCommand */
-    private $command;
-
-    /** @var CommandTester */
-    private $commandTester;
-
-    public function testExecuteSuccess(): void
-    {
-        $this->projectRepository->expects(self::once())
-            ->method('findOneBySlug')
-            ->with('orm')
-            ->willReturn($this->project);
-
-        $this->router->expects(self::once())
-            ->method('generate')
-            ->with('project_version', [
-                'slug' => 'orm',
-                'versionSlug' => '3.0',
-            ])
-            ->willReturn('http://www.url.com');
-
-        $this->createTweet->expects(self::once())
-            ->method('__invoke')
-            ->with('Released Doctrine ORM 3.0.0 http://www.url.com')
-            ->willReturn(true);
-
-        self::assertSame(0, $this->commandTester->execute([
-            'project' => 'orm',
-            'tag' => '3.0.0',
-        ]));
-
-        self::assertEquals('Successfully announced release!', trim($this->commandTester->getDisplay()));
-    }
-
-    public function testExecuteFailure(): void
-    {
-        $this->projectRepository->expects(self::once())
-            ->method('findOneBySlug')
-            ->with('orm')
-            ->willReturn($this->project);
-
-        $this->router->expects(self::once())
-            ->method('generate')
-            ->with('project_version', [
-                'slug' => 'orm',
-                'versionSlug' => '3.0',
-            ])
-            ->willReturn('http://www.url.com');
-
-        $this->createTweet->expects(self::once())
-            ->method('__invoke')
-            ->with('Released Doctrine ORM 3.0.0 http://www.url.com')
-            ->will(self::throwException(new RuntimeException('test')));
-
-        self::assertSame(1, $this->commandTester->execute([
-            'project' => 'orm',
-            'tag' => '3.0.0',
-        ]));
-
-        self::assertEquals(
-            'Failed to announce release! Failed with error: test',
-            trim($this->commandTester->getDisplay())
-        );
-    }
-
-    protected function setUp(): void
-    {
-        $this->project = $this->createProject([
-            'slug' => 'orm',
-            'shortName' => 'ORM',
-            'versions' => [
-                [
-                    'slug' => '3.0',
-                    'tags' => [
-                        [
-                            'name' => 'v3.0.0',
-                            'date' => '2019-09-01',
-                        ],
-                    ],
-                ],
-            ],
-        ]);
-
-        $this->createTweet       = $this->createMock(CreateTweet::class);
-        $this->router            = $this->createMock(Router::class);
-        $this->projectRepository = $this->createMock(ProjectRepository::class);
-
-        $this->tweetRelease    = new TweetRelease($this->createTweet, $this->router);
-        $this->announceRelease = new AnnounceRelease($this->projectRepository, $this->tweetRelease);
-        $this->command         = new AnnounceReleaseCommand($this->announceRelease);
-        $this->commandTester   = new CommandTester($this->command);
-    }
-}
diff --git a/tests/Twitter/TwitterOAuthCreateTweetTest.php b/tests/Twitter/TwitterOAuthCreateTweetTest.php
deleted file mode 100644
index fdd7c7d7..00000000
--- a/tests/Twitter/TwitterOAuthCreateTweetTest.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\Website\Tests\Twitter;
-
-use Abraham\TwitterOAuth\TwitterOAuth;
-use Doctrine\Website\Tests\TestCase;
-use Doctrine\Website\Twitter\TwitterOAuthCreateTweet;
-use RuntimeException;
-
-final class TwitterOAuthCreateTweetTest extends TestCase
-{
-    public function testInvokeSuccess(): void
-    {
-        $message = 'Tweet this!';
-
-        $twitterOAuth = $this->createMock(TwitterOAuth::class);
-
-        $twitterOAuth->expects(self::once())
-            ->method('post')
-            ->with('statuses/update', ['status' => $message])
-            ->willReturn((object) ['id' => 1]);
-
-        self::assertTrue((new TwitterOAuthCreateTweet($twitterOAuth))->__invoke($message));
-    }
-
-    public function testInvokeFailure(): void
-    {
-        $message = 'Tweet this!';
-
-        $twitterOAuth = $this->createMock(TwitterOAuth::class);
-
-        $twitterOAuth->expects(self::once())
-            ->method('post')
-            ->with('statuses/update', ['status' => $message])
-            ->willReturn((object) ['message' => 'Failed']);
-
-        self::expectException(RuntimeException::class);
-        self::expectExceptionMessage('Failed to create tweet: {"message":"Failed"}');
-
-        (new TwitterOAuthCreateTweet($twitterOAuth))->__invoke($message);
-    }
-}