diff --git a/docker/base/Dockerfile.j2 b/docker/base/Dockerfile.j2
index bb61c83078..ee7cb9570a 100644
--- a/docker/base/Dockerfile.j2
+++ b/docker/base/Dockerfile.j2
@@ -129,7 +129,8 @@ RUN rm -f /etc/rpm/macros.image-language-conf \
 ] %}
 
 {% set base_centos_yum_repo_packages = [
-    'centos-release-openstack-dalmatian',
+    'centos-release-ceph-reef',
+    'centos-release-nfv-openvswitch',
     'centos-release-opstools',
     'epel-release',
 ] %}
@@ -148,13 +149,24 @@ RUN rm -f /etc/rpm/macros.image-language-conf \
     'centos-ceph-reef',
     'centos-nfv-openvswitch',
     'centos-opstools',
-    'centos-rabbitmq-38',
+    'centos9-nfv-ovs',
+    'centos9-opstools',
+    'centos9-rabbitmq',
+    'centos9-storage',
     'epel',
     'influxdb',
     'opensearch-2.x',
     'opensearch-dashboards-2.x',
 ] %}
 
+{% if base_arch == 'aarch64' %}
+
+{# NOTE(hrw): delorean-deps.repo may force x86-64 repos #}
+
+RUN sed -i -e "s/x86_64/aarch64/g" /etc/yum.repos.d/delorean-deps.repo
+
+{% endif %}
+
 RUN {{ macros.install_packages(base_centos_yum_repo_packages | customizable("centos_yum_repo_packages"), chain=True, clean=False) }}
 
 {%- for repo in base_centos_yum_repos_to_enable | customizable('centos_yum_repos_to_enable') %} && dnf config-manager --enable {{ repo }} {% endfor -%}
diff --git a/docker/base/ci-centos.repo b/docker/base/ci-centos.repo
index 9a3fb31096..a8decf252b 100644
--- a/docker/base/ci-centos.repo
+++ b/docker/base/ci-centos.repo
@@ -53,14 +53,6 @@ enabled=0
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-NFV
 module_hotfixes=1
 
-[centos-openstack-dalmatian]
-name=(OpenDev mirror) CentOS-$releasever - OpenStack Dalmatian
-baseurl=http://MIRROR/centos-stream/SIGs/$stream/cloud/$basearch/openstack-dalmatian/
-gpgcheck=1
-enabled=1
-gpgkey=https://www.centos.org/keys/RPM-GPG-KEY-CentOS-SIG-Cloud
-module_hotfixes=1
-
 [centos-opstools]
 name=(OpenDev mirror) CentOS Stream $releasever - OpsTools - collectd
 baseurl=http://MIRROR/centos-stream/SIGs/$stream/opstools/$basearch/collectd-5/
diff --git a/docker/base/ci-rocky.repo b/docker/base/ci-rocky.repo
index 9b9945040b..3daf5c5ba6 100644
--- a/docker/base/ci-rocky.repo
+++ b/docker/base/ci-rocky.repo
@@ -13,14 +13,6 @@ enabled=0
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-NFV
 module_hotfixes=1
 
-[centos-openstack-dalmatian]
-name=(OpenDev mirror) CentOS-$releasever - OpenStack Dalmatian
-baseurl=http://MIRROR/centos-stream/SIGs/$stream/cloud/$basearch/openstack-dalmatian/
-gpgcheck=1
-enabled=1
-gpgkey=https://www.centos.org/keys/RPM-GPG-KEY-CentOS-SIG-Cloud
-module_hotfixes=1
-
 [centos-opstools]
 name=(OpenDev mirror) CentOS Stream $releasever - OpsTools - collectd
 baseurl=http://MIRROR/centos-stream/SIGs/$stream/opstools/$basearch/collectd-5/
diff --git a/kolla/common/config.py b/kolla/common/config.py
index ad32f129c3..39ce63cb37 100644
--- a/kolla/common/config.py
+++ b/kolla/common/config.py
@@ -39,6 +39,10 @@ DISTRO_PRETTY_NAME = {
 }
 OPENSTACK_RELEASE = 'master'
 
+# This is noarch repository so we will use it on all architectures
+DELOREAN_DEPS = "https://trunk.rdoproject.org/centos9-master/" \
+    "delorean-deps.repo"
+
 # TODO(mandre) check for file integrity instead of downloading from an HTTPS
 # source
 TARBALLS_BASE = "https://tarballs.opendev.org"
@@ -278,7 +282,7 @@ _BASE_OPTS = [
                help=('Set the package type of the distro. If not set then '
                      'the packaging type is set to "rpm" if a RHEL based '
                      'distro and "deb" if a Debian based distro.')),
-    cfg.ListOpt('rpm_setup_config', default=[],
+    cfg.ListOpt('rpm_setup_config', default=[DELOREAN_DEPS],
                 help=('Comma separated list of .rpm or .repo file(s) '
                       'or URL(s) to install before building containers')),
     cfg.StrOpt('apt_sources_list', help=('Path to custom sources.list')),
diff --git a/releasenotes/notes/rdo-dalmatian-bab7a517c219cb23.yaml b/releasenotes/notes/rdo-dalmatian-bab7a517c219cb23.yaml
deleted file mode 100644
index f8cdf76ba7..0000000000
--- a/releasenotes/notes/rdo-dalmatian-bab7a517c219cb23.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
----
-upgrade:
-  - |
-    RHEL derivates images now use RDO Dalmatian release for OpenStack services
-    dependencies.
diff --git a/tests/templates/template_overrides.j2 b/tests/templates/template_overrides.j2
index f507cf6198..cc968e2902 100644
--- a/tests/templates/template_overrides.j2
+++ b/tests/templates/template_overrides.j2
@@ -50,6 +50,15 @@ RUN cd /etc/yum.repos.d/ && mkdir not-for-ci/ \
     {% endif %} {# if centos/rocky #}
 
 {% raw %}
+{% block base_centos_repo_overrides_post_rpm %}
+{% endraw %}
+
+RUN sed -i \
+        -e "s|https://trunk.rdoproject.org|{{ nodepool_rdo_proxy }}|g" \
+        /etc/yum.repos.d/delorean*.repo
+
+{% raw %}
+{% endblock %}
 
 {% block base_centos_repo_overrides_post_yum -%}
 {%- endraw -%}
@@ -104,7 +113,10 @@ RUN if [ -d /etc/yum.repos.d/not-for-ci/ ]; then \
         rm ci-{{ base_distro }}.repo && \
         mv not-for-ci/*.repo . && \
         rm -rf not-for-ci; \
-    fi
+    fi; \
+    sed -i \
+        -e "s|{{ nodepool_rdo_proxy }}|https://trunk.rdoproject.org|g" \
+        /etc/yum.repos.d/delorean*.repo
 {% elif base_distro == "debian" %}
 RUN sed -i -e "s|\[trusted=yes\] http://{{ nodepool_mirror_host }}|http://deb.debian.org|" \
         -e "s|\[trusted=yes\] http://{{ nodepool_mirror_host }}|http://security.debian.org|" \