diff --git a/content/developer/reference/backend/orm.rst b/content/developer/reference/backend/orm.rst
index 7bfcc271b..bcfc9556c 100644
--- a/content/developer/reference/backend/orm.rst
+++ b/content/developer/reference/backend/orm.rst
@@ -56,7 +56,6 @@ value::
         Defaults to whatever value was set for :attr:`~._auto`.
 
     .. autoattribute:: _table
-    .. autoattribute:: _sequence
     .. autoattribute:: _sql_constraints
 
     .. autoattribute:: _register