diff --git a/src/Console/ClearCacheCommand.php b/src/Console/ClearCacheCommand.php
index d8d648b..03d3328 100644
--- a/src/Console/ClearCacheCommand.php
+++ b/src/Console/ClearCacheCommand.php
@@ -56,10 +56,7 @@ public function fire()
 
         $driverConfig = $configure['aop'][$configure['default']];
         if (isset($driverConfig['cacheDir'])) {
-            $compileCaches = $this->filesystem->glob($driverConfig['cacheDir'] . '/*');
-            foreach ($compileCaches as $file) {
-                $this->filesystem->deleteDirectory($file);
-            }
+            $this->filesystem->cleanDirectory($driverConfig['cacheDir']);
         }
         $this->info('aspect/annotation cache clear!');
     }
diff --git a/tests/CacheableTest.php b/tests/CacheableTest.php
index 05c7b64..42e6335 100644
--- a/tests/CacheableTest.php
+++ b/tests/CacheableTest.php
@@ -77,7 +77,6 @@ protected function resolveManager()
     {
         $annotation = new \Ytake\LaravelAspect\Annotation;
         $annotation->registerAspectAnnotations();
-        /** @var \Ytake\LaravelAop\GoAspect $aspect */
         $aspect = $this->manager->driver('go');
         $aspect->register();
     }
diff --git a/tests/Commands/AspectClearCacheCommandTest.php b/tests/Commands/AspectClearCacheCommandTest.php
index 109e6c0..c49050b 100644
--- a/tests/Commands/AspectClearCacheCommandTest.php
+++ b/tests/Commands/AspectClearCacheCommandTest.php
@@ -39,7 +39,8 @@ public function testCacheClearFile()
         $configure = $this->app['config']->get('ytake-laravel-aop');
         $driverConfig = $configure['aop'][$configure['default']];
         if(isset($driverConfig['cacheDir'])) {
-            $this->assertFalse($this->app['filesystem']->exists($driverConfig['cacheDir']));
+            $files = $this->app['filesystem']->files($driverConfig['cacheDir']);
+            $this->assertCount(0, $files);
         }
     }