diff --git a/ci-operator/config/devfile/registry-operator/devfile-registry-operator-main__v4.15.yaml b/ci-operator/config/devfile/registry-operator/devfile-registry-operator-main__v4.15.yaml
index 92951a78a34d2..9c4e9fd9237b0 100644
--- a/ci-operator/config/devfile/registry-operator/devfile-registry-operator-main__v4.15.yaml
+++ b/ci-operator/config/devfile/registry-operator/devfile-registry-operator-main__v4.15.yaml
@@ -7,7 +7,7 @@ build_root:
   image_stream_tag:
     name: release
     namespace: openshift
-    tag: golang-1.21
+    tag: golang-1.22
 images:
 - build_args:
   - name: TARGETARCH
diff --git a/ci-operator/config/devfile/registry-operator/devfile-registry-operator-release-v0__v4.15.yaml b/ci-operator/config/devfile/registry-operator/devfile-registry-operator-release-v0__v4.15.yaml
deleted file mode 100644
index 43c6f740aab39..0000000000000
--- a/ci-operator/config/devfile/registry-operator/devfile-registry-operator-release-v0__v4.15.yaml
+++ /dev/null
@@ -1,61 +0,0 @@
-base_images:
-  cli:
-    name: "4.15"
-    namespace: ocp
-    tag: cli
-build_root:
-  image_stream_tag:
-    name: release
-    namespace: openshift
-    tag: golang-1.21
-images:
-- build_args:
-  - name: TARGETARCH
-    value: amd64
-  dockerfile_path: Dockerfile
-  to: registry-operator
-releases:
-  initial:
-    integration:
-      name: "4.15"
-      namespace: ocp
-  latest:
-    integration:
-      include_built_images: true
-      name: "4.15"
-      namespace: ocp
-resources:
-  '*':
-    limits:
-      memory: 4Gi
-    requests:
-      cpu: 100m
-      memory: 200Mi
-tests:
-- as: registry-operator-integration-test
-  steps:
-    cluster_profile: aws-devfile
-    env:
-      BASE_DOMAIN: devfile-ci.com
-    test:
-    - as: registry-operator-integration-test-steps
-      commands: |
-        export PATH=$PATH:/tmp/bin
-        mkdir /tmp/bin
-        curl -L --fail https://mirror.openshift.com/pub/openshift-v4/x86_64/clients/ocp/candidate-4.15/openshift-client-linux.tar.gz | tar xvzf - -C /tmp/bin/ oc
-        chmod ug+x /tmp/bin/oc
-        .ci/openshift_integration.sh
-      dependencies:
-      - env: REGISTRY_OPERATOR
-        name: registry-operator
-      from: src
-      resources:
-        requests:
-          cpu: 100m
-          memory: 200Mi
-    workflow: ipi-aws
-zz_generated_metadata:
-  branch: release-v0
-  org: devfile
-  repo: registry-operator
-  variant: v4.15
diff --git a/ci-operator/jobs/devfile/registry-operator/devfile-registry-operator-release-v0-presubmits.yaml b/ci-operator/jobs/devfile/registry-operator/devfile-registry-operator-release-v0-presubmits.yaml
deleted file mode 100644
index 0972db671500b..0000000000000
--- a/ci-operator/jobs/devfile/registry-operator/devfile-registry-operator-release-v0-presubmits.yaml
+++ /dev/null
@@ -1,135 +0,0 @@
-presubmits:
-  devfile/registry-operator:
-  - agent: kubernetes
-    always_run: true
-    branches:
-    - ^release-v0$
-    - ^release-v0-
-    cluster: build07
-    context: ci/prow/v4.15-images
-    decorate: true
-    decoration_config:
-      skip_cloning: true
-    labels:
-      ci-operator.openshift.io/variant: v4.15
-      ci.openshift.io/generator: prowgen
-      pj-rehearse.openshift.io/can-be-rehearsed: "true"
-    name: pull-ci-devfile-registry-operator-release-v0-v4.15-images
-    rerun_command: /test v4.15-images
-    spec:
-      containers:
-      - args:
-        - --gcs-upload-secret=/secrets/gcs/service-account.json
-        - --image-import-pull-secret=/etc/pull-secret/.dockerconfigjson
-        - --report-credentials-file=/etc/report/credentials
-        - --target=[images]
-        - --variant=v4.15
-        command:
-        - ci-operator
-        image: ci-operator:latest
-        imagePullPolicy: Always
-        name: ""
-        resources:
-          requests:
-            cpu: 10m
-        volumeMounts:
-        - mountPath: /secrets/gcs
-          name: gcs-credentials
-          readOnly: true
-        - mountPath: /secrets/manifest-tool
-          name: manifest-tool-local-pusher
-          readOnly: true
-        - mountPath: /etc/pull-secret
-          name: pull-secret
-          readOnly: true
-        - mountPath: /etc/report
-          name: result-aggregator
-          readOnly: true
-      serviceAccountName: ci-operator
-      volumes:
-      - name: manifest-tool-local-pusher
-        secret:
-          secretName: manifest-tool-local-pusher
-      - name: pull-secret
-        secret:
-          secretName: registry-pull-credentials
-      - name: result-aggregator
-        secret:
-          secretName: result-aggregator
-    trigger: (?m)^/test( | .* )v4.15-images,?($|\s.*)
-  - agent: kubernetes
-    always_run: true
-    branches:
-    - ^release-v0$
-    - ^release-v0-
-    cluster: build07
-    context: ci/prow/v4.15-registry-operator-integration-test
-    decorate: true
-    decoration_config:
-      skip_cloning: true
-    labels:
-      ci-operator.openshift.io/cloud: aws
-      ci-operator.openshift.io/cloud-cluster-profile: aws-devfile
-      ci-operator.openshift.io/variant: v4.15
-      ci.openshift.io/generator: prowgen
-      pj-rehearse.openshift.io/can-be-rehearsed: "true"
-    name: pull-ci-devfile-registry-operator-release-v0-v4.15-registry-operator-integration-test
-    rerun_command: /test v4.15-registry-operator-integration-test
-    spec:
-      containers:
-      - args:
-        - --gcs-upload-secret=/secrets/gcs/service-account.json
-        - --image-import-pull-secret=/etc/pull-secret/.dockerconfigjson
-        - --lease-server-credentials-file=/etc/boskos/credentials
-        - --report-credentials-file=/etc/report/credentials
-        - --secret-dir=/secrets/ci-pull-credentials
-        - --target=registry-operator-integration-test
-        - --variant=v4.15
-        command:
-        - ci-operator
-        image: ci-operator:latest
-        imagePullPolicy: Always
-        name: ""
-        resources:
-          requests:
-            cpu: 10m
-        volumeMounts:
-        - mountPath: /etc/boskos
-          name: boskos
-          readOnly: true
-        - mountPath: /secrets/ci-pull-credentials
-          name: ci-pull-credentials
-          readOnly: true
-        - mountPath: /secrets/gcs
-          name: gcs-credentials
-          readOnly: true
-        - mountPath: /secrets/manifest-tool
-          name: manifest-tool-local-pusher
-          readOnly: true
-        - mountPath: /etc/pull-secret
-          name: pull-secret
-          readOnly: true
-        - mountPath: /etc/report
-          name: result-aggregator
-          readOnly: true
-      serviceAccountName: ci-operator
-      volumes:
-      - name: boskos
-        secret:
-          items:
-          - key: credentials
-            path: credentials
-          secretName: boskos-credentials
-      - name: ci-pull-credentials
-        secret:
-          secretName: ci-pull-credentials
-      - name: manifest-tool-local-pusher
-        secret:
-          secretName: manifest-tool-local-pusher
-      - name: pull-secret
-        secret:
-          secretName: registry-pull-credentials
-      - name: result-aggregator
-        secret:
-          secretName: result-aggregator
-    trigger: (?m)^/test( | .* )v4.15-registry-operator-integration-test,?($|\s.*)