diff --git a/docker/base/Dockerfile.j2 b/docker/base/Dockerfile.j2
index 37396012fb..311a2917d5 100644
--- a/docker/base/Dockerfile.j2
+++ b/docker/base/Dockerfile.j2
@@ -132,8 +132,7 @@ RUN rm -f /etc/rpm/macros.image-language-conf \
 ] %}
 
 {% set base_centos_yum_repo_packages = [
-    'centos-release-ceph-quincy',
-    'centos-release-nfv-openvswitch',
+    'centos-release-openstack-antelope',
     'centos-release-opstools',
     'epel-release',
 ] %}
@@ -152,24 +151,13 @@ RUN rm -f /etc/rpm/macros.image-language-conf \
     'centos-ceph-quincy',
     'centos-nfv-openvswitch',
     'centos-opstools',
-    'centos9-nfv-ovs',
-    'centos9-opstools',
-    'centos9-rabbitmq',
-    'centos9-storage',
+    'centos-rabbitmq-38',
     '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 356cb9edc2..eef5707720 100644
--- a/docker/base/ci-centos.repo
+++ b/docker/base/ci-centos.repo
@@ -53,6 +53,14 @@ enabled=0
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-NFV
 module_hotfixes=1
 
+[centos-openstack-antelope]
+name=(OpenDev mirror) CentOS-$releasever - OpenStack Antelope
+baseurl=http://MIRROR/centos-stream/SIGs/$stream/cloud/$basearch/openstack-antelope/
+gpgcheck=1
+enabled=1
+gpgkey=file:///etc/pki/rpm-gpg/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 e04f4cd8dc..0e456b0bda 100644
--- a/docker/base/ci-rocky.repo
+++ b/docker/base/ci-rocky.repo
@@ -13,6 +13,14 @@ enabled=0
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-NFV
 module_hotfixes=1
 
+[centos-openstack-antelope]
+name=(OpenDev mirror) CentOS-$releasever - OpenStack Antelope
+baseurl=http://MIRROR/centos-stream/SIGs/$stream/cloud/$basearch/openstack-antelope/
+gpgcheck=1
+enabled=1
+gpgkey=file:///etc/pki/rpm-gpg/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 2d8e17a2f6..86bdcf2309 100644
--- a/kolla/common/config.py
+++ b/kolla/common/config.py
@@ -39,8 +39,7 @@ DISTRO_PRETTY_NAME = {
 OPENSTACK_RELEASE = '2023.1'
 
 # This is noarch repository so we will use it on all architectures
-DELOREAN_DEPS = "https://trunk.rdoproject.org/centos9-master/" \
-    "delorean-deps.repo"
+DELOREAN_DEPS = ""
 
 # TODO(mandre) check for file integrity instead of downloading from an HTTPS
 # source
diff --git a/tests/templates/template_overrides.j2 b/tests/templates/template_overrides.j2
index 7318556cdf..7ba7b4852c 100644
--- a/tests/templates/template_overrides.j2
+++ b/tests/templates/template_overrides.j2
@@ -50,15 +50,6 @@ 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 -%}
@@ -114,10 +105,7 @@ 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; \
-    sed -i \
-        -e "s|{{ nodepool_rdo_proxy }}|https://trunk.rdoproject.org|g" \
-        /etc/yum.repos.d/delorean*.repo
+    fi
 {% 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|" \