diff --git a/src/FormBuilder.php b/src/FormBuilder.php
index df2927c..3c40b3c 100644
--- a/src/FormBuilder.php
+++ b/src/FormBuilder.php
@@ -141,7 +141,7 @@ public function radios($name, $options = array(), $selected = null, $attributes
 
         return $this->theme->render(
             $template,
-            compact('name', 'radios', 'attributes', 'classes', 'hasErrors'),
+            compact('name', 'radios', 'attributes', 'hasErrors'),
             $defaultTemplate
         );
     }