diff --git a/test/image-blueprints-bootc/README.md b/test/image-blueprints-bootc/README.md
index b0904a1967..fa1de4bea3 100644
--- a/test/image-blueprints-bootc/README.md
+++ b/test/image-blueprints-bootc/README.md
@@ -25,7 +25,7 @@ Artifacts built in this layer cannot be cached as they depend on the current sou
 
 |Group |Build Time|Description|
 |------|----------|-----------|
-|group1| Short    | Current source prerequisites (RHEL and CentOS) used in presubmits and periodics
+|group1| Short    | Current source prerequisites on RHEL used in presubmits and periodics
 |group2| Short    | Current source artifacts on RHEL used in presubmits and periodics
 
 > Note: Total build times are up to 5 minutes.
@@ -36,8 +36,7 @@ Artifacts built in this layer cannot be cached as they depend on the current sou
 
 |Group |Build Time|Description|
 |------|----------|-----------|
-|group1| Average  | Current source prerequisites (RHEL and CentOS) used only in periodics
+|group1| Average  | Current source prerequisites on RHEL used only in periodics
 |group2| Average  | Current source artifacts on RHEL used only in periodics
-|group3| Average  | Current source artifacts on CentOS used only in periodics
 
 > Note: Total build times are up to 15 minutes.
diff --git a/test/image-blueprints-bootc/layer1-base/group2/centos9-bootc.image-bootc b/test/image-blueprints-bootc/layer1-base/group2/centos9-bootc.image-bootc
deleted file mode 100644
index 5099ec7dfc..0000000000
--- a/test/image-blueprints-bootc/layer1-base/group2/centos9-bootc.image-bootc
+++ /dev/null
@@ -1 +0,0 @@
-quay.io/centos-bootc/centos-bootc:stream9
\ No newline at end of file
diff --git a/test/image-blueprints-bootc/layer2-presubmit/group1/cos9-bootc-source.containerfile b/test/image-blueprints-bootc/layer2-presubmit/group1/cos9-bootc-source.containerfile
deleted file mode 100644
index 850e0c0b55..0000000000
--- a/test/image-blueprints-bootc/layer2-presubmit/group1/cos9-bootc-source.containerfile
+++ /dev/null
@@ -1,34 +0,0 @@
-FROM quay.io/centos-bootc/centos-bootc:stream9
-
-# Build arguments
-ARG USHIFT_RPM_REPO_NAME=microshift-local
-ARG USHIFT_RPM_REPO_PATH=/tmp/$USHIFT_RPM_REPO_NAME
-
-# Copy the MicroShift repository contents
-COPY ./rpm-repos/$USHIFT_RPM_REPO_NAME $USHIFT_RPM_REPO_PATH
-
-# Copy repository configuration
-COPY ./bootc-images/$USHIFT_RPM_REPO_NAME.repo ./bootc-images/microshift-centos9-nfv.repo ./bootc-images/microshift-rhocp-y.repo \
-    /etc/yum.repos.d/
-
-# Print repository configuration contents.
-# Install MicroShift and cleanup.
-RUN dnf repoinfo --enabled && \
-    dnf install -y firewalld systemd-resolved \
-        "microshift-{{ .Env.SOURCE_VERSION }}" "microshift-release-info-{{ .Env.SOURCE_VERSION }}" && \
-    systemctl enable microshift && \
-    rm -vf /etc/yum.repos.d/microshift-*.repo && \
-    rm -rvf $USHIFT_RPM_REPO_PATH && \
-    dnf clean all
-
-# Configure firewall
-RUN firewall-offline-cmd --zone=public --add-port=22/tcp && \
-    firewall-offline-cmd --zone=trusted --add-source=10.42.0.0/16 && \
-    firewall-offline-cmd --zone=trusted --add-source=169.254.169.1 && \
-    firewall-offline-cmd --zone=trusted --add-source=fd01::/48 && \
-    firewall-offline-cmd --zone=public --add-port=80/tcp && \
-    firewall-offline-cmd --zone=public --add-port=443/tcp && \
-    firewall-offline-cmd --zone=public --add-port=5353/udp && \
-    firewall-offline-cmd --zone=public --add-port=6443/tcp && \
-    firewall-offline-cmd --zone=public --add-port=30000-32767/tcp && \
-    firewall-offline-cmd --zone=public --add-port=30000-32767/udp
diff --git a/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-isolated.containerfile b/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-isolated.containerfile
deleted file mode 100644
index a5553d0e83..0000000000
--- a/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-isolated.containerfile
+++ /dev/null
@@ -1,17 +0,0 @@
-FROM localhost/cos9-bootc-source:latest
-
-# Embed images based on contents of release-info RPMs
-COPY --chmod=755 ./bootc-images/microshift-copy-images.sh /usr/bin/microshift-copy-images
-RUN --mount=type=secret,id=pullsecret,dst=/run/secrets/pull-secret.json \
-    images="$(jq -r ".images[]" /usr/share/microshift/release/release-"$(uname -m)".json)" ; \
-    images="${images} quay.io/microshift/busybox:1.36" ; \
-    IMAGE_PULL_LIST="${images}" /usr/bin/microshift-copy-images pull
-
-# Install a systemd drop-in unit to address the problem with image upgrades
-# overwriting the container images in additional store. The workaround is to
-# copy the images from the pre-loaded to the main container storage directory.
-# In this case, it is not necessary to update /etc/containers/storage.conf with
-# the additional store path.
-# See https://issues.redhat.com/browse/RHEL-75827
-RUN mkdir -p /usr/lib/systemd/system/microshift.service.d
-COPY --chmod=644 ./bootc-images/microshift-copy-images.conf /usr/lib/systemd/system/microshift.service.d/microshift-copy-images.conf
diff --git a/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-kindnet.containerfile b/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-kindnet.containerfile
deleted file mode 100644
index a56023f666..0000000000
--- a/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-kindnet.containerfile
+++ /dev/null
@@ -1,20 +0,0 @@
-FROM localhost/cos9-bootc-source:latest
-
-# Build arguments
-ARG USHIFT_RPM_REPO_NAME=microshift-local
-ARG USHIFT_RPM_REPO_PATH=/tmp/$USHIFT_RPM_REPO_NAME
-
-# Copy the MicroShift repository contents
-COPY ./rpm-repos/$USHIFT_RPM_REPO_NAME $USHIFT_RPM_REPO_PATH
-
-# Copy repository configuration
-COPY ./bootc-images/$USHIFT_RPM_REPO_NAME.repo ./bootc-images/microshift-centos9-nfv.repo ./bootc-images/microshift-rhocp-y.repo \
-    /etc/yum.repos.d/
-
-# Print repository configuration contents.
-# Install MicroShift optional packages and cleanup.
-RUN dnf repoinfo --enabled && \
-    dnf install -y "microshift-kindnet-{{ .Env.SOURCE_VERSION }}" && \
-    rm -vf /etc/yum.repos.d/microshift-*.repo && \
-    rm -rvf $USHIFT_RPM_REPO_PATH && \
-    dnf clean all
diff --git a/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-optionals.containerfile b/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-optionals.containerfile
deleted file mode 100644
index 9388588c22..0000000000
--- a/test/image-blueprints-bootc/layer3-periodic/group3/cos9-bootc-source-optionals.containerfile
+++ /dev/null
@@ -1,23 +0,0 @@
-FROM localhost/cos9-bootc-source:latest
-
-# Build arguments
-ARG USHIFT_RPM_REPO_NAME=microshift-local
-ARG USHIFT_RPM_REPO_PATH=/tmp/$USHIFT_RPM_REPO_NAME
-
-# Copy the MicroShift repository contents
-COPY ./rpm-repos/$USHIFT_RPM_REPO_NAME $USHIFT_RPM_REPO_PATH
-
-# Copy repository configuration
-COPY ./bootc-images/$USHIFT_RPM_REPO_NAME.repo ./bootc-images/microshift-centos9-nfv.repo ./bootc-images/microshift-rhocp-y.repo \
-    /etc/yum.repos.d/
-
-# Print repository configuration contents.
-# Install MicroShift optional packages and cleanup.
-RUN dnf repoinfo --enabled && \
-    dnf install -y "microshift-olm-{{ .Env.SOURCE_VERSION }}" \
-        "microshift-multus-{{ .Env.SOURCE_VERSION }}" \
-        "microshift-gateway-api-{{ .Env.SOURCE_VERSION }}" \
-        "microshift-observability-{{ .Env.SOURCE_VERSION }}" && \
-    rm -vf /etc/yum.repos.d/microshift-*.repo && \
-    rm -rvf $USHIFT_RPM_REPO_PATH && \
-    dnf clean all
diff --git a/test/kickstart-templates/includes/post-cos9rpm.cfg b/test/kickstart-templates/includes/post-cos9rpm.cfg
deleted file mode 100644
index deef0472a9..0000000000
--- a/test/kickstart-templates/includes/post-cos9rpm.cfg
+++ /dev/null
@@ -1,45 +0,0 @@
-# MicroShift local RPM repository
-cat > "/etc/yum.repos.d/microshift-local.repo" <<EOF
-[microshift-local]
-name=MicroShift Local Repository
-baseurl=REPLACE_RPM_SERVER_URL/microshift-local
-enabled=1
-gpgcheck=0
-skip_if_unavailable=0
-EOF
-
-# The openvswitch package dependency
-cat > "/etc/yum.repos.d/openvswitch2-rpms.repo" <<EOF
-[sig-nfv]
-name=CentOS Stream 9 - SIG NFV
-baseurl=http://mirror.stream.centos.org/SIGs/9-stream/nfv/\$basearch/openvswitch-2/
-gpgcheck=1
-enabled=1
-skip_if_unavailable=0
-gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-NFV
-EOF
-
-# openshift-client and crio from OpenShift Mirror.
-# Excludes all to avoid unintentionally sourcing packages from here that
-# should come from a centos repos.
-OCPVERSION=4.REPLACE_MINOR_VERSION
-OCPREPO="openshift-${OCPVERSION}-mirror"
-cat > "/etc/yum.repos.d/${OCPREPO}.repo" <<EOF
-[${OCPREPO}]
-name=Openshift ${OCPVERSION} Mirror
-baseurl="https://mirror.openshift.com/pub/openshift-v4/$(uname -m)/dependencies/rpms/${OCPVERSION}-el9-beta/"
-gpgcheck=0
-enabled=1
-EOF
-
-dnf install -y openshift-clients
-
-# The crio dependency from OKD copr repository
-dnf copr enable -y @OKD/okd "centos-stream-9-$(uname -m)"
-
-# Install the NFV package certificate
-dnf install -y centos-release-nfv-common
-
-# Install and enable MicroShift
-dnf install -y microshift
-systemctl enable microshift
diff --git a/test/kickstart-templates/kickstart-centos.ks.template b/test/kickstart-templates/kickstart-centos.ks.template
deleted file mode 100644
index d712287c0d..0000000000
--- a/test/kickstart-templates/kickstart-centos.ks.template
+++ /dev/null
@@ -1,21 +0,0 @@
-%include /main-prologue.cfg
-%include /main-network.cfg
-%include /main-cdrom.cfg
-
-%post --log=/dev/console --erroronfail
-
-%include /post-microshift.cfg
-
-%include /post-containers.cfg
-if REPLACE_IMAGE_SIGSTORE_ENABLED ; then
-%include /post-containers-sigstore.cfg
-fi
-
-%include /post-system.cfg
-%include /post-network.cfg
-
-%include /post-cos9rpm.cfg
-
-%end
-
-%include /onerror-logs.cfg
diff --git a/test/package-sources-bootc/microshift-centos9-nfv.repo b/test/package-sources-bootc/microshift-centos9-nfv.repo
deleted file mode 100644
index e51e647561..0000000000
--- a/test/package-sources-bootc/microshift-centos9-nfv.repo
+++ /dev/null
@@ -1,7 +0,0 @@
-[nfv-sig]
-name = CentOS Stream 9 - SIG NFV
-baseurl = http://mirror.stream.centos.org/SIGs/9-stream/nfv/{{ .Env.UNAME_M }}/openvswitch-2/
-enabled = 1
-gpgcheck = 0
-sslverify = 1
-skip_if_unavailable = 0
diff --git a/test/scenarios-bootc/periodics/cos9-src@greenboot.sh b/test/scenarios-bootc/periodics/cos9-src@greenboot.sh
deleted file mode 100644
index 450f5c1b73..0000000000
--- a/test/scenarios-bootc/periodics/cos9-src@greenboot.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc.ks.template cos9-bootc-source
-    launch_vm --boot_blueprint centos9-bootc
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-    run_tests host1 suites/greenboot/
-}
diff --git a/test/scenarios-bootc/periodics/cos9-src@isolated-net.sh b/test/scenarios-bootc/periodics/cos9-src@isolated-net.sh
deleted file mode 100644
index f93a6753f2..0000000000
--- a/test/scenarios-bootc/periodics/cos9-src@isolated-net.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-# Redefine network-related settings to use the isolated network bridge
-VM_BRIDGE_IP="$(get_vm_bridge_ip "${VM_ISOLATED_NETWORK}")"
-# shellcheck disable=SC2034  # used elsewhere
-MIRROR_REGISTRY_URL="${VM_BRIDGE_IP}:${MIRROR_REGISTRY_PORT}/microshift"
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc-isolated.ks.template cos9-bootc-source-isolated
-    # Use the isolated network when creating a VM
-    launch_vm --boot_blueprint centos9-bootc --network "${VM_ISOLATED_NETWORK}"
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-    run_tests host1 suites/network/isolated-network.robot
-}
diff --git a/test/scenarios-bootc/periodics/cos9-src@kindnet.sh b/test/scenarios-bootc/periodics/cos9-src@kindnet.sh
deleted file mode 100644
index e31ca94f09..0000000000
--- a/test/scenarios-bootc/periodics/cos9-src@kindnet.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc.ks.template cos9-bootc-source-kindnet
-    launch_vm --boot_blueprint centos9-bootc
-
-    # Open the firewall ports. Other scenarios get this behavior by
-    # embedding settings in the blueprint, but there is no blueprint
-    # for this scenario. We need do this step before running the RF
-    # suite so that suite can assume it can reach all of the same
-    # ports as for any other test.
-    configure_vm_firewall host1
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-    run_tests host1 suites/standard1/networking-smoke.robot
-}
diff --git a/test/scenarios-bootc/periodics/cos9-src@multi-nic.sh b/test/scenarios-bootc/periodics/cos9-src@multi-nic.sh
deleted file mode 100644
index 17ea364a5c..0000000000
--- a/test/scenarios-bootc/periodics/cos9-src@multi-nic.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc.ks.template cos9-bootc-source
-    # Using multus as secondary network to have 2 nics in different networks.
-    launch_vm --boot_blueprint centos9-bootc --network default,"${VM_MULTUS_NETWORK}"
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-    local -r vmname=$(full_vm_name host1)
-    local -r vm_ip1=$("${ROOTDIR}/scripts/devenv-builder/manage-vm.sh" ip -n "${vmname}" | head -1)
-    local -r vm_ip2=$("${ROOTDIR}/scripts/devenv-builder/manage-vm.sh" ip -n "${vmname}" | tail -1)
-
-    run_tests host1 \
-        --variable "USHIFT_HOST_IP1:${vm_ip1}" \
-        --variable "USHIFT_HOST_IP2:${vm_ip2}" \
-        suites/network/multi-nic.robot
-}
diff --git a/test/scenarios-bootc/periodics/cos9-src@optional.sh b/test/scenarios-bootc/periodics/cos9-src@optional.sh
deleted file mode 100644
index 7e6d9791cd..0000000000
--- a/test/scenarios-bootc/periodics/cos9-src@optional.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-# Redefine network-related settings to use the dedicated network bridge
-VM_BRIDGE_IP="$(get_vm_bridge_ip "${VM_MULTUS_NETWORK}")"
-# shellcheck disable=SC2034  # used elsewhere
-WEB_SERVER_URL="http://${VM_BRIDGE_IP}:${WEB_SERVER_PORT}"
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc.ks.template cos9-bootc-source-optionals
-    # Two nics - one for macvlan, another for ipvlan (they cannot enslave the same interface)
-    launch_vm --boot_blueprint centos9-bootc --network "${VM_MULTUS_NETWORK},${VM_MULTUS_NETWORK}"
-
-    # Open the firewall ports. Other scenarios get this behavior by
-    # embedding settings in the blueprint, but there is no blueprint
-    # for this scenario. We need do this step before running the RF
-    # suite so that suite can assume it can reach all of the same
-    # ports as for any other test.
-    configure_vm_firewall host1
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-        run_tests host1 \
-        --variable "PROMETHEUS_HOST:$(hostname)" \
-        --variable "PROMETHEUS_PORT:9093" \
-        --variable "LOKI_HOST:$(hostname)" \
-        --variable "LOKI_PORT:3200" \
-        --variable "PROM_EXPORTER_PORT:8889" \
-        suites/optional/
-}
diff --git a/test/scenarios-bootc/presubmits/cos9-src@standard-suite1.sh b/test/scenarios-bootc/presubmits/cos9-src@standard-suite1.sh
deleted file mode 100644
index c491b2c1d4..0000000000
--- a/test/scenarios-bootc/presubmits/cos9-src@standard-suite1.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc.ks.template cos9-bootc-source
-    launch_vm --boot_blueprint centos9-bootc
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-    run_tests host1 \
-        --variable "EXPECTED_OS_VERSION:9" \
-        suites/standard1/ suites/selinux/validate-selinux-policy.robot
-}
diff --git a/test/scenarios-bootc/presubmits/cos9-src@standard-suite2.sh b/test/scenarios-bootc/presubmits/cos9-src@standard-suite2.sh
deleted file mode 100644
index 2f4c410e25..0000000000
--- a/test/scenarios-bootc/presubmits/cos9-src@standard-suite2.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-# Sourced from scenario.sh and uses functions defined there.
-
-scenario_create_vms() {
-    prepare_kickstart host1 kickstart-bootc.ks.template cos9-bootc-source
-    launch_vm --boot_blueprint centos9-bootc
-}
-
-scenario_remove_vms() {
-    remove_vm host1
-}
-
-scenario_run_tests() {
-    run_tests host1 suites/standard2
-}