diff --git a/composer.json b/composer.json
index 1925555..c0a3fb1 100644
--- a/composer.json
+++ b/composer.json
@@ -19,6 +19,8 @@
         "symfony/http-client": "^7.1"
     },
     "require-dev": {
+        "ext-curl": "*",
+        "ext-pdo": "*",
         "phpunit/phpunit": "^9.5",
         "brianium/paratest": "^6.6",
         "friendsofphp/php-cs-fixer": "^3.12",
diff --git a/src/Registry.php b/src/Registry.php
deleted file mode 100644
index 7ca9837..0000000
--- a/src/Registry.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Testcontainers;
-
-use Testcontainers\Container\GenericContainer;
-
-class Registry
-{
-    private static bool $registeredCleanup = false;
-
-    /**
-     * @var array<int|string, GenericContainer>
-     */
-    private static array $registry = [];
-
-    public static function add(GenericContainer $container): void
-    {
-        self::$registry[spl_object_id($container)] = $container;
-
-        if (!self::$registeredCleanup) {
-            register_shutdown_function([self::class, 'cleanup']);
-            self::$registeredCleanup = true;
-        }
-    }
-
-    public static function remove(GenericContainer $container): void
-    {
-        unset(self::$registry[spl_object_id($container)]);
-    }
-
-    public static function cleanup(): void
-    {
-//        foreach (self::$registry as $container) {
-//            $container->remove();
-//        }
-    }
-}
diff --git a/tests/Integration/ContainerTest.php b/tests/Integration/ContainerTest.php
deleted file mode 100644
index 994fa33..0000000
--- a/tests/Integration/ContainerTest.php
+++ /dev/null
@@ -1,126 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Testcontainers\Tests\Integration;
-
-use PHPUnit\Framework\TestCase;
-use Predis\Client;
-use Testcontainers\Container\MariaDBContainer;
-use Testcontainers\Container\MySQLContainer;
-use Testcontainers\Container\OpenSearchContainer;
-use Testcontainers\Container\PostgresContainer;
-use Testcontainers\Container\RedisContainer;
-
-class ContainerTest extends TestCase
-{
-    public function testMySQL(): void
-    {
-        $container = MySQLContainer::make();
-        $container->withMySQLDatabase('foo');
-        $container->withMySQLUser('bar', 'baz');
-
-        $container->run();
-        die(123);
-
-        $pdo = new \PDO(
-            sprintf('mysql:host=%s;port=3306', $container->getAddress()),
-            'bar',
-            'baz',
-        );
-
-        $query = $pdo->query('SHOW databases');
-
-        $this->assertInstanceOf(\PDOStatement::class, $query);
-
-        $databases = $query->fetchAll(\PDO::FETCH_COLUMN);
-
-        $this->assertContains('foo', $databases);
-    }
-
-    public function testMariaDB(): void
-    {
-        $container = MariaDBContainer::make();
-        $container->withMariaDBDatabase('foo');
-        $container->withMariaDBUser('bar', 'baz');
-
-        $container->run();
-
-        $pdo = new \PDO(
-            sprintf('mysql:host=%s;port=3306', $container->getAddress()),
-            'bar',
-            'baz',
-        );
-
-        $query = $pdo->query('SHOW databases');
-
-        $this->assertInstanceOf(\PDOStatement::class, $query);
-
-        $databases = $query->fetchAll(\PDO::FETCH_COLUMN);
-
-        $this->assertContains('foo', $databases);
-    }
-
-    public function testRedis(): void
-    {
-        $container = RedisContainer::make();
-
-        $container->run();
-
-        $redis = new Client([
-            'scheme' => 'tcp',
-            'host'   => $container->getAddress(),
-            'port'   => 6379,
-        ]);
-
-        $redis->ping();
-
-        $this->assertTrue($redis->isConnected());
-    }
-
-    public function testOpenSearch(): void
-    {
-        $container = OpenSearchContainer::make();
-        $container->disableSecurityPlugin();
-
-        $container->run();
-
-        $ch = curl_init();
-        curl_setopt($ch, CURLOPT_URL, sprintf('http://%s:%d', $container->getAddress(), 9200));
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-
-        $response = (string) curl_exec($ch);
-
-        $this->assertNotEmpty($response);
-
-        /** @var array{cluster_name: string} $data */
-        $data = json_decode($response, true, JSON_THROW_ON_ERROR);
-
-        $this->assertArrayHasKey('cluster_name', $data);
-
-        $this->assertEquals('docker-cluster', $data['cluster_name']);
-    }
-
-    public function testPostgreSQLContainer(): void
-    {
-        $container = PostgresContainer::make('latest', 'test')
-            ->withPostgresUser('test')
-            ->withPostgresDatabase('foo')
-            ->run();
-
-
-        $pdo = new \PDO(
-            sprintf('pgsql:host=%s;port=5432;dbname=foo', $container->getAddress()),
-            'test',
-            'test',
-        );
-
-        $query = $pdo->query('SELECT datname FROM pg_database');
-
-        $this->assertInstanceOf(\PDOStatement::class, $query);
-
-        $databases = $query->fetchAll(\PDO::FETCH_COLUMN);
-
-        $this->assertContains('foo', $databases);
-    }
-}