diff --git a/reference/constraints/UniqueEntity.rst b/reference/constraints/UniqueEntity.rst
index 6f0c2526bc5..1625ad8f71f 100644
--- a/reference/constraints/UniqueEntity.rst
+++ b/reference/constraints/UniqueEntity.rst
@@ -254,11 +254,6 @@ each with a single field.
 ``ignoreNull``
 ~~~~~~~~~~~~~~
 
-**type**: ``boolean`` **default**: ``true``
-
-``ignoreNull``
-~~~~~~~~~~~~~~
-
 **type**: ``boolean`` | ``string`` | ``array`` **default**: ``true``
 
 If this option is set to ``true``, then the constraint will allow multiple