diff --git a/src/AbstractConfigManager.php b/src/AbstractConfigManager.php
deleted file mode 100644
index 8bce1114..00000000
--- a/src/AbstractConfigManager.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace Metamorphosis;
-
-use Illuminate\Support\Arr;
-
-abstract class AbstractConfigManager
-{
-    /**
-     * @var mixed[]
-     */
-    protected array $setting = [];
-
-    /**
-     * @var mixed[]
-     */
-    protected array $middlewares = [];
-
-    abstract public function set(array $config, ?array $commandConfig = null): void;
-
-    /**
-     * @param mixed $default
-     *
-     * @return mixed
-     */
-    public function get(?string $key = null, $default = null)
-    {
-        if (!$key) {
-            return $this->setting;
-        }
-
-        return Arr::get($this->setting, $key, $default);
-    }
-
-    public function has(string $key): bool
-    {
-        return !is_null($this->get($key));
-    }
-
-    public function middlewares(): array
-    {
-        return $this->middlewares;
-    }
-
-    protected function remove(string $key): void
-    {
-        unset($this->setting[$key]);
-    }
-}
diff --git a/src/ProducerConfigManager.php b/src/ProducerConfigManager.php
deleted file mode 100644
index 59f3b35a..00000000
--- a/src/ProducerConfigManager.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Metamorphosis;
-
-class ProducerConfigManager extends AbstractConfigManager
-{
-    /**
-     * @phpcsSuppress SlevomatCodingStandard.Functions.UnusedParameter.UnusedParameter
-     */
-    public function set(array $config, ?array $commandConfig = null): void
-    {
-        $this->setting = $config;
-
-        $middlewares = $this->get('middlewares', []);
-        $this->middlewares = [];
-        $this->remove('middlewares');
-
-        foreach ($middlewares as $middleware) {
-            $this->middlewares[] = is_string($middleware)
-                ? app(
-                    $middleware,
-                    ['configManager' => $this]
-                )
-                : $middleware;
-        }
-    }
-}
diff --git a/tests/Unit/ConsumerConfigManagerTest.php b/tests/Unit/ConsumerConfigManagerTest.php
deleted file mode 100644
index e69de29b..00000000
diff --git a/tests/Unit/ManagerTest.php b/tests/Unit/ManagerTest.php
deleted file mode 100644
index e69de29b..00000000
diff --git a/tests/Unit/ProducerConfigManagerTest.php b/tests/Unit/ProducerConfigManagerTest.php
deleted file mode 100644
index 26500f5d..00000000
--- a/tests/Unit/ProducerConfigManagerTest.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-
-namespace Tests\Unit;
-
-use Metamorphosis\ProducerConfigManager;
-use Metamorphosis\TopicHandler\Producer\AbstractProducer;
-use Tests\LaravelTestCase;
-use Tests\Unit\Dummies\MiddlewareDummy;
-
-class ProducerConfigManagerTest extends LaravelTestCase
-{
-    public function testShouldSetTheProducerConfig(): void
-    {
-        $config = [
-            'middlewares' => [MiddlewareDummy::class],
-            'handler' => AbstractProducer::class,
-            'broker' => [
-                'default' => [
-                    'connections' => 'kafka:9092',
-                ],
-            ],
-            'topic_id' => 'kafka-test',
-        ];
-
-        $configManager = new ProducerConfigManager();
-
-        $expected = [
-            'handler' => AbstractProducer::class,
-            'broker' => [
-                'default' => [
-                    'connections' => 'kafka:9092',
-                ],
-            ],
-            'topic_id' => 'kafka-test',
-        ];
-
-        // Actions
-        $configManager->set($config);
-
-        // Expectations
-        $this->assertSame($expected, $configManager->get());
-        $this->assertInstanceOf(
-            MiddlewareDummy::class,
-            current($configManager->middlewares())
-        );
-    }
-}