3 files changed, 0 insertions, 21 deletions
diff --git a/doc/source/admin/image-building.rst b/doc/source/admin/image-building.rst
index 97f2ba8ac..f5a110a7a 100644
--- a/doc/source/admin/image-building.rst
+++ b/doc/source/admin/image-building.rst
@@ -33,7 +33,6 @@ There are following distros (bases) available for building images:
 
 - centos
 - debian
-- rhel (deprecated)
 - ubuntu
 
 See the :ref:`support matrix <support-matrix-base-images>` for information on
@@ -233,23 +232,6 @@ All leaf Dockerfiles, i.e. those meant for direct consumption, additionally
 have a ``footer`` block which is then guaranteed to exist once at the very
 end of the image recipe chain.
 
-RHEL containers and RHN
-^^^^^^^^^^^^^^^^^^^^^^^
-
-To build RHEL containers, it is necessary to include registration with RHN
-of the container runtime operating system. To obtain a RHN
-username/password/pool id, contact Red Hat. Use template's header block in the
-overrides file, e.g.:
-
-.. code-block:: jinja
-
-   {% extends parent_template %}
-
-   {% block base_header %}
-   RUN subscription-manager register --user=<user-name> \
-     --password=<password> && subscription-manager attach --pool <pool-id>
-   {% endblock %}
-
 Packages customisation
 ----------------------
 
diff --git a/doc/source/admin/kolla_api.rst b/doc/source/admin/kolla_api.rst
index 4c4bd69f5..b366de696 100644
--- a/doc/source/admin/kolla_api.rst
+++ b/doc/source/admin/kolla_api.rst
@@ -170,5 +170,3 @@ scripts:
   ubuntu)
 * **KOLLA_INSTALL_TYPE**: ``install_type`` used to build the image (binary,
   source)
-* **KOLLA_INSTALL_METATYPE**: ``install_metatype`` used to build the image
-  (rdo,  ...)
diff --git a/doc/source/support_matrix.rst b/doc/source/support_matrix.rst
index 922456ff7..8049f248b 100644
--- a/doc/source/support_matrix.rst
+++ b/doc/source/support_matrix.rst
@@ -19,7 +19,6 @@ Distribution       Default base                    Default base tag
 ================== =============================== ================
 CentOS Stream 8    quay.io/centos/centos           stream8
 Debian Bullseye    debian                          bullseye
-RHEL8 (deprecated) registry.access.redhat.com/ubi8 latest
 Ubuntu Focal       ubuntu                          20.04
 ================== =============================== ================