diff --git a/docker/base/Dockerfile.j2 b/docker/base/Dockerfile.j2
index 6c5d9df832..7469ab2e79 100644
--- a/docker/base/Dockerfile.j2
+++ b/docker/base/Dockerfile.j2
@@ -195,11 +195,8 @@ RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
 #
 
 {% set base_centos_yum_repo_packages = [
-    'centos-release-advanced-virtualization',
-    'centos-release-ceph-nautilus',
-    'centos-release-nfv-openvswitch',
+    'centos-release-openstack-wallaby',
     'centos-release-opstools',
-    'centos-release-rabbitmq-38',
     'epel-release',
 ] %}
 
@@ -210,12 +207,7 @@ RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
 {% set base_centos_yum_repos_to_enable = [
 ] %}
 
-# FIXME(hrw): entries not starting with 'centos-' (and 'centos-nfv-ovs') need
-# to go away - they are from delorean or rdo-release-wallaby package
-# https://review.rdoproject.org/r/c/rdo-infra/ansible-role-dlrn/+/33241
 {% set base_centos_yum_repos_to_disable = [
-    'advanced-virtualization',
-    'centos-nfv-ovs',
     'centos-advanced-virtualization',
     'centos-ceph-nautilus',
     'centos-nfv-openvswitch',
@@ -227,10 +219,6 @@ RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
     {% set base_centos_yum_repos_to_disable = base_centos_yum_repos_to_disable + [
         'influxdb',
     ] %}
-{% elif base_arch == 'aarch64' %}
-    {% set base_centos_yum_repo_packages = base_centos_yum_repo_packages + [
-        'centos-release-rabbitmq-38'
-    ] %}
 {% endif %}
 
 RUN {{ macros.install_packages(base_centos_yum_repo_packages | customizable("centos_yum_repo_packages"), chain=True, clean=False) }}
diff --git a/kolla/common/config.py b/kolla/common/config.py
index 23e5ead402..1653e76b3b 100755
--- a/kolla/common/config.py
+++ b/kolla/common/config.py
@@ -262,7 +262,7 @@ _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=[DELOREAN, DELOREAN_DEPS],
+    cfg.ListOpt('rpm_setup_config', default=[],
                 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/tests/templates/template_overrides.j2 b/tests/templates/template_overrides.j2
index 6be8b794be..d12639c2e2 100644
--- a/tests/templates/template_overrides.j2
+++ b/tests/templates/template_overrides.j2
@@ -40,10 +40,6 @@ RUN sed -i \
 {% 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 %}
 
@@ -108,9 +104,6 @@ RUN sed -i \
         -e "s|^#\(mirrorlist.*\)|\1|" \
         -e "s|^baseurl=http://{{ nodepool_mirror_host }}|#baseurl=http://mirror.centos.org|" \
         /etc/yum.repos.d/CentOS-*.repo \
-    && sed -i \
-        -e "s|{{ nodepool_rdo_proxy }}|https://trunk.rdoproject.org|g" \
-        /etc/yum.repos.d/delorean*.repo \
     && sed -i \
         -e "s|^#\(metalink.*\)|\1|" \
         -e "s|^baseurl=http://{{ nodepool_mirror_host }}|baseurl=http://download.fedoraproject.org/pub|" \