diff --git a/src/Cache/Adapter/AbstractCacheAdapter.php b/src/Cache/Adapter/AbstractCacheAdapter.php
index 6ce3c9a..c583a59 100644
--- a/src/Cache/Adapter/AbstractCacheAdapter.php
+++ b/src/Cache/Adapter/AbstractCacheAdapter.php
@@ -27,7 +27,7 @@
 
 use Sunspikes\Ratelimit\Cache\Exception\ItemNotFoundException;
 
-class AbstractCacheAdapter
+class AbstractCacheAdapter implements CacheAdapterInterface
 {
     /* @var mixed */
     protected $cache;
diff --git a/src/Cache/Adapter/DesarrollaCacheAdapter.php b/src/Cache/Adapter/DesarrollaCacheAdapter.php
index 0f3b716..94ba96b 100644
--- a/src/Cache/Adapter/DesarrollaCacheAdapter.php
+++ b/src/Cache/Adapter/DesarrollaCacheAdapter.php
@@ -28,7 +28,7 @@
 /**
  * Adapter for the cache library Desarrolla2\Cache
  */
-class DesarrollaCacheAdapter extends AbstractCacheAdapter implements CacheAdapterInterface
+class DesarrollaCacheAdapter extends AbstractCacheAdapter
 {
     /**
      * @param \Desarrolla2\Cache\CacheInterface $cache