diff --git a/src/Symfony/Component/Form/FormView.php b/src/Symfony/Component/Form/FormView.php
index acf5d05f64..7ee8527f54 100644
--- a/src/Symfony/Component/Form/FormView.php
+++ b/src/Symfony/Component/Form/FormView.php
@@ -147,7 +147,7 @@ class FormView implements \ArrayAccess, \IteratorAggregate, \Countable
 
     public function offsetUnset($name)
     {
-        throw new \BadMethodCallException('Not supported');
+        unset($this->children[$name]);
     }
 
     public function getIterator()