diff --git a/.travis.yml b/.travis.yml
index 5a046bc..029a8c5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: php
 
 php:
-  - '7.4'
   - '8.0'
+  - '8.1'
 
 env:
   - REDIS_HOST=0.0.0.0 REDIS_PORT=6379 XDEBUG_MODE=coverage
@@ -13,7 +13,7 @@ services:
 before_install:
   - docker run -d -p 0.0.0.0:6379:6379 --name redis redis:alpine
   - echo "extension=redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
-  - echo '' | pecl install swoole-4.8.12
+  - echo '' | pecl install swoole
   - echo "extension=swoole.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 
 before_script:
diff --git a/composer.json b/composer.json
index 9ca6aaa..ccd78f4 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     }
   },
   "require": {
-    "php": "^7.4 || ^8.0",
+    "php": "^8.0",
     "psr/http-message": "^1.0"
   },
   "suggest": {
diff --git a/src/Adapters/RedisClusterAdapter.php b/src/Adapters/RedisClusterAdapter.php
index eb84a86..f01a956 100644
--- a/src/Adapters/RedisClusterAdapter.php
+++ b/src/Adapters/RedisClusterAdapter.php
@@ -2,74 +2,8 @@
 
 namespace LeoCarmo\CircuitBreaker\Adapters;
 
-class RedisClusterAdapter implements AdapterInterface
+class RedisClusterAdapter extends RedisAdapter
 {
-    /**
-     * @var \Redis
-     */
-    protected $redis;
-
-    /**
-     * @var string
-     */
-    protected string $redisNamespace;
-
-    /**
-     * Set settings for start circuit service
-     *
-     * @param $redis
-     * @param string $redisNamespace
-     */
-    public function __construct($redis, string $redisNamespace)
-    {
-        $this->checkExtensionLoaded();
-        $this->redis = $redis;
-        $this->redisNamespace = $redisNamespace;
-    }
-
-    protected function checkExtensionLoaded(): void
-    {
-        if (! extension_loaded('redis')) {
-            throw new \RuntimeException('Extension redis is required to use RedisAdapter.');
-        }
-    }
-
-    /**
-     * @param string $service
-     * @return bool
-     */
-    public function isOpen(string $service): bool
-    {
-        return (bool) $this->redis->get(
-            $this->makeNamespace($service) . ':open'
-        );
-    }
-
-    /**
-     * @param string $service
-     * @param int $failureRateThreshold
-     * @return bool
-     */
-    public function reachRateLimit(string $service, int $failureRateThreshold): bool
-    {
-        $failures = (int) $this->redis->get(
-            $this->makeNamespace($service) . ':failures'
-        );
-
-        return ($failures >= $failureRateThreshold);
-    }
-
-    /**
-     * @param string $service
-     * @return bool
-     */
-    public function isHalfOpen(string $service): bool
-    {
-        return (bool) $this->redis->get(
-            $this->makeNamespace($service) . ':half_open'
-        );
-    }
-
     /**
      * @param string $service
      * @param int $timeWindow
@@ -98,49 +32,4 @@ public function setSuccess(string $service): void
         $this->redis->del($serviceName . ':failures');
         $this->redis->del($serviceName . ':half_open');
     }
-
-    /**
-     * @param string $service
-     * @param int $timeWindow
-     */
-    public function setOpenCircuit(string $service, int $timeWindow): void
-    {
-        $this->redis->set(
-            $this->makeNamespace($service) . ':open',
-            time(),
-            $timeWindow
-        );
-    }
-
-    /**
-     * @param string $service
-     * @param int $timeWindow
-     * @param int $intervalToHalfOpen
-     */
-    public function setHalfOpenCircuit(string $service, int $timeWindow, int $intervalToHalfOpen): void
-    {
-        $this->redis->set(
-            $this->makeNamespace($service) . ':half_open',
-            time(),
-            ($timeWindow + $intervalToHalfOpen)
-        );
-    }
-
-    public function getFailuresCounter(string $service): int
-    {
-        $failures = $this->redis->get(
-            $this->makeNamespace($service) . ':failures'
-        );
-
-        return (int) $failures;
-    }
-
-    /**
-     * @param string $service
-     * @return string
-     */
-    protected function makeNamespace(string $service): string
-    {
-        return 'circuit-breaker:' . $this->redisNamespace . ':' . $service;
-    }
 }