diff --git a/validation.rst b/validation.rst
index 9b01b6939ed..71568934317 100644
--- a/validation.rst
+++ b/validation.rst
@@ -504,14 +504,6 @@ of the form fields::
         ;
     }
 
-The ``constraints`` option is only available if the ``ValidatorExtension``
-was enabled through the form factory builder::
-
-    Forms::createFormFactoryBuilder()
-        ->addExtension(new ValidatorExtension(Validation::createValidator()))
-        ->getFormFactory()
-    ;
-
 .. index::
    single: Validation; Constraint targets