diff --git a/docs/data-model.rst b/docs/data-model.rst
index fc1639d3cac2ee1f0ab3b80bf0408b689cfd66a1..e531b1a660aab00b0a7b39419c466f0b5593f89e 100644
--- a/docs/data-model.rst
+++ b/docs/data-model.rst
@@ -1,3 +1,5 @@
+:orphan:
+
 .. _data-model:
 
 Data model
diff --git a/docs/persistent-identifiers.rst b/docs/persistent-identifiers.rst
index a588e9debf6363c4278f99fad71e48cd198a2562..b0651d0a4205e9c46253b83f68cf9e8df15b9630 100644
--- a/docs/persistent-identifiers.rst
+++ b/docs/persistent-identifiers.rst
@@ -1,3 +1,5 @@
+:orphan:
+
 .. _persistent-identifiers:
 
 Persistent identifiers
@@ -235,5 +237,3 @@ References
   <https://hal.archives-ouvertes.fr/hal-01865790v4>`_. In Proceedings of `iPRES
   2018 <https://ipres2018.org/>`_: 15th International Conference on Digital
   Preservation, Boston, MA, USA, September 2018, 9 pages.
-
-