--- a/doc/book/en/development/datamodel/index.rst	Fri Apr 23 17:07:55 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,12 +0,0 @@
-Data model
-==========
-
-This chapter describes how you define a schema and how to make it evolves as the time goes.
-
-.. toctree::
-   :maxdepth: 1
-
-   definition
-   metadata
-   baseschema
-   define-workflows