--- a/doc/book/en/devrepo/datamodel/baseschema.rst	Mon Jul 06 17:39:35 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,42 +0,0 @@
-.. _pre_defined_entity_types:
-
-Pre-defined entities in the library
------------------------------------
-
-The library defines a set of entity schemas that are required by the system
-or commonly used in *CubicWeb* instances.
-
-
-Entity types used to store the schema
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-* _`CWEType`, entity type
-* _`CWRType`, relation type
-* _`CWRelation`, relation definition
-* _`CWAttribute`, attribute relation definition
-* _`CWConstraint`,  `CWConstraintType`, `RQLExpression`
-
-Entity types used to manage users and permissions
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-* _`CWUser`, system users
-* _`CWGroup`, users groups
-
-Entity types used to manage workflows
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-* :ref:`Workflow <Workflow>`, workflow entity, linked to some entity types which may use this workflow
-* _`State`, workflow state
-* _`Transition`, workflow transition
-* _`TrInfo`, record of a transition trafic for an entity
-
-Other entity types
-~~~~~~~~~~~~~~~~~~
-* _`CWCache`, cache entities used to improve performances
-* _`CWProperty`, used to configure the instance
-
-* _`EmailAddress`, email address, used by the system to send notifications
-  to the users and also used by others optionnals schemas
-
-* _`Bookmark`, an entity type used to allow a user to customize his links within
-  the instance
-
-* _`ExternalUri`, used for semantic web site to indicate that an entity is the
-  same as another from an external site