diff --git a/.github/workflows/overcloud-host-image-build.yml b/.github/workflows/overcloud-host-image-build.yml
index e8584ef7e..02c9c9e23 100644
--- a/.github/workflows/overcloud-host-image-build.yml
+++ b/.github/workflows/overcloud-host-image-build.yml
@@ -27,10 +27,16 @@ jobs:
   overcloud-host-image-build:
     name: Build overcloud host images
     if: github.repository == 'stackhpc/stackhpc-kayobe-config'
-    runs-on: [self-hosted, stackhpc-kayobe-config-kolla-builder-rl9]
+    runs-on: arc-skc-aio-runner
     permissions: {}
     steps:
-      - uses: actions/checkout@v4
+      - name: Install package dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y build-essential git unzip nodejs python3-wheel python3-pip python3-venv
+
+      - name: Checkout
+        uses: actions/checkout@v4
         with:
           path: src/kayobe-config
 
@@ -55,30 +61,15 @@ jobs:
           rm -f /tmp/updated_images.txt
 
       - name: Clone StackHPC Kayobe repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: stackhpc/kayobe
           ref: refs/heads/stackhpc/${{ steps.openstack_release.outputs.openstack_release }}
           path: src/kayobe
 
-      - name: Install dependencies
-        run: |
-          sudo dnf -y install zstd debootstrap
-
-      - name: Setup networking
+      - name: Install image build dependencies
         run: |
-          if ! ip l show breth1 >/dev/null 2>&1; then
-              sudo ip l add breth1 type bridge
-          fi
-          sudo ip l set breth1 up
-          if ! ip a show breth1 | grep 192.168.33.3/24; then
-              sudo ip a add 192.168.33.3/24 dev breth1
-          fi
-          if ! ip l show dummy1 >/dev/null 2>&1; then
-              sudo ip l add dummy1 type dummy
-          fi
-          sudo ip l set dummy1 up
-          sudo ip l set dummy1 master breth1
+          sudo apt -y install zstd debootstrap
 
       - name: Install Kayobe
         run: |
@@ -93,20 +84,12 @@ jobs:
         run: |
           source venvs/kayobe/bin/activate &&
           source src/kayobe-config/kayobe-env --environment ci-builder &&
-          kayobe control host bootstrap
-
-      - name: Configure the seed host
-        run: |
-          source venvs/kayobe/bin/activate &&
-          source src/kayobe-config/kayobe-env --environment ci-builder &&
-          kayobe seed host configure
-        env:
-          KAYOBE_VAULT_PASSWORD: ${{ secrets.KAYOBE_VAULT_PASSWORD }}
+          kayobe control host bootstrap --skip-tags bootstrap
 
       - name: Create bifrost_httpboot Docker volume
         run: |
-          if [[ $(sudo docker volume ls -f Name=bifrost_httpboot -q | wc -l) = 0 ]]; then
-            sudo docker volume create bifrost_httpboot
+          if [[ $(docker volume ls -f Name=bifrost_httpboot -q | wc -l) = 0 ]]; then
+            docker volume create bifrost_httpboot
           fi
 
       - name: Generate clouds.yaml
diff --git a/.github/workflows/stackhpc-container-image-build.yml b/.github/workflows/stackhpc-container-image-build.yml
index 7cd09b585..15dce8bd1 100644
--- a/.github/workflows/stackhpc-container-image-build.yml
+++ b/.github/workflows/stackhpc-container-image-build.yml
@@ -40,7 +40,7 @@ jobs:
   generate-tag:
     name: Generate container image tag
     if: github.repository == 'stackhpc/stackhpc-kayobe-config'
-    runs-on: [self-hosted, stackhpc-kayobe-config-kolla-builder-rl9]
+    runs-on: arc-skc-aio-runner
     permissions: {}
     outputs:
       datetime_tag: ${{ steps.datetime_tag.outputs.datetime_tag }}
@@ -48,7 +48,7 @@ jobs:
       openstack_release: ${{ steps.openstack_release.outputs.openstack_release }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Determine OpenStack release
         id: openstack_release
@@ -88,7 +88,7 @@ jobs:
   container-image-build:
     name: Build Kolla container images
     if: github.repository == 'stackhpc/stackhpc-kayobe-config'
-    runs-on: [self-hosted, stackhpc-kayobe-config-kolla-builder-rl9]
+    runs-on: arc-skc-aio-runner
     timeout-minutes: 720
     permissions: {}
     strategy:
@@ -97,32 +97,23 @@ jobs:
     needs:
       - generate-tag
     steps:
-      - uses: actions/checkout@v3
+      - name: Install package dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y build-essential git unzip nodejs python3-wheel python3-pip python3-venv
+
+      - name: Checkout
+        uses: actions/checkout@v4
         with:
           path: src/kayobe-config
 
       - name: Clone StackHPC Kayobe repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: stackhpc/kayobe
           ref: refs/heads/stackhpc/${{ needs.generate-tag.outputs.openstack_release }}
           path: src/kayobe
 
-      - name: Setup networking
-        run: |
-          if ! ip l show breth1 >/dev/null 2>&1; then
-              sudo ip l add breth1 type bridge
-          fi
-          sudo ip l set breth1 up
-          if ! ip a show breth1 | grep 192.168.33.3/24; then
-              sudo ip a add 192.168.33.3/24 dev breth1
-          fi
-          if ! ip l show dummy1 >/dev/null 2>&1; then
-              sudo ip l add dummy1 type dummy
-          fi
-          sudo ip l set dummy1 up
-          sudo ip l set dummy1 master breth1
-
       - name: Install Kayobe
         run: |
           mkdir -p venvs &&
@@ -132,23 +123,14 @@ jobs:
           pip install -U pip &&
           pip install ../src/kayobe
 
-      - name: Bootstrap the control host
+      # Required for Docker registry login. Normally installed during host configure.
+      - name: Install Docker Python SDK
         run: |
-          source venvs/kayobe/bin/activate &&
-          source src/kayobe-config/kayobe-env --environment ci-builder &&
-          kayobe control host bootstrap
-
-      - name: Configure the seed host
-        run: |
-          source venvs/kayobe/bin/activate &&
-          source src/kayobe-config/kayobe-env --environment ci-builder &&
-          kayobe seed host configure
-        env:
-          KAYOBE_VAULT_PASSWORD: ${{ secrets.KAYOBE_VAULT_PASSWORD }}
+          pip install --user docker
 
       - name: Prune local Kolla container images over 1 week old
         run: |
-          sudo docker image prune --all --force --filter until=168h --filter="label=kolla_version"
+          docker image prune --all --force --filter until=168h --filter="label=kolla_version"
 
       - name: Build and push kolla overcloud images
         run: |
@@ -183,7 +165,7 @@ jobs:
 
       - name: Get built container images
         run: |
-          sudo docker image ls --filter "reference=ark.stackhpc.com/stackhpc-dev/*:*${{ matrix.distro }}*${{ needs.generate-tag.outputs.datetime_tag }}" > ${{ matrix.distro }}-container-images
+          docker image ls --filter "reference=ark.stackhpc.com/stackhpc-dev/*:*${{ matrix.distro }}*${{ needs.generate-tag.outputs.datetime_tag }}" > ${{ matrix.distro }}-container-images
 
       - name: Fail if no images have been built
         run: if [ $(wc -l < ${{ matrix.distro }}-container-images) -le 1 ]; then exit 1; fi
diff --git a/etc/kayobe/environments/ci-builder/inventory/groups b/etc/kayobe/environments/ci-builder/inventory/groups
index 155f353e2..d5fe93e74 100644
--- a/etc/kayobe/environments/ci-builder/inventory/groups
+++ b/etc/kayobe/environments/ci-builder/inventory/groups
@@ -1,8 +1,5 @@
 [seed]
 
-[container-image-builders:children]
-seed
-
 [network]
 
 [docker:children]
diff --git a/etc/kayobe/environments/ci-builder/inventory/hosts b/etc/kayobe/environments/ci-builder/inventory/hosts
index 33fda8b73..3706e9301 100644
--- a/etc/kayobe/environments/ci-builder/inventory/hosts
+++ b/etc/kayobe/environments/ci-builder/inventory/hosts
@@ -1,3 +1,3 @@
-# A 'seed' host used for building images.
+# Use localhost for container and disk image builds.
 [seed]
-builder
+localhost ansible_connection=local ansible_python_interpreter=/usr/bin/python3