diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6eb6d91..8abcdc44 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,15 +16,9 @@ jobs:
 
     strategy:
       matrix:
-        os: [centos, fedora]
-        tier: [tier-0, tier-1]
+        os: [fedora]
+        tier: [tier-1]
         include:
-        - os: centos
-          version: stream9
-        - os: centos
-          variant: ""
-        - os: centos
-          variant: "-rt"
         - os: fedora
           version: eln
 
diff --git a/.tekton/centos-tier-0-stream9-pull-request.yaml b/.tekton/centos-tier-0-stream9-pull-request.yaml
deleted file mode 100644
index 009d9bf1..00000000
--- a/.tekton/centos-tier-0-stream9-pull-request.yaml
+++ /dev/null
@@ -1,81 +0,0 @@
-apiVersion: tekton.dev/v1beta1
-kind: PipelineRun
-metadata:
-  annotations:
-    build.appstudio.openshift.io/repo: https://github.com/CentOS/sagano?rev={{revision}}
-    build.appstudio.redhat.com/commit_sha: '{{revision}}'
-    build.appstudio.redhat.com/pull_request_number: '{{pull_request_number}}'
-    build.appstudio.redhat.com/target_branch: '{{target_branch}}'
-    pipelinesascode.tekton.dev/max-keep-runs: "3"
-    pipelinesascode.tekton.dev/on-cel-expression: event == "pull_request" && target_branch
-      == "main"
-  creationTimestamp: null
-  labels:
-    appstudio.openshift.io/application: sagano
-    appstudio.openshift.io/component: centos-tier-0-stream9
-    pipelines.appstudio.openshift.io/type: build
-  name: centos-tier-0-stream9-on-pull-request
-  namespace: project-sagano-tenant
-spec:
-  params:
-    - name: image-file
-      value: centos-tier-0-stream9.yaml
-    - name: git-url
-      value: '{{repo_url}}'
-    - name: output-image
-      value: quay.io/redhat-user-workloads/project-sagano-tenant/sagano/centos-tier-0-stream9:on-pr-{{revision}}
-    - name: path-context
-      value: .
-    - name: revision
-      value: '{{revision}}'
-  pipelineRef:
-    name: ostree-build
-  workspaces:
-    - name: workspace
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 1Gi
-        status: {}
-    - name: workspace-arm64
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 2Gi
-        status: {}
-    - name: workspace-s390x
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 2Gi
-        status: {}
-    - name: workspace-ppc64le
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 2Gi
-        status: {}
-    - name: git-auth
-      secret:
-        secretName: '{{ git_auth_secret }}'
-status: {}
diff --git a/.tekton/centos-tier-0-stream9-push.yaml b/.tekton/centos-tier-0-stream9-push.yaml
deleted file mode 100644
index 206d5a4b..00000000
--- a/.tekton/centos-tier-0-stream9-push.yaml
+++ /dev/null
@@ -1,80 +0,0 @@
-apiVersion: tekton.dev/v1beta1
-kind: PipelineRun
-metadata:
-  annotations:
-    build.appstudio.openshift.io/repo: https://github.com/CentOS/sagano?rev={{revision}}
-    build.appstudio.redhat.com/commit_sha: '{{revision}}'
-    build.appstudio.redhat.com/target_branch: '{{target_branch}}'
-    pipelinesascode.tekton.dev/max-keep-runs: "3"
-    pipelinesascode.tekton.dev/on-cel-expression: event == "push" && target_branch
-      == "main"
-  creationTimestamp: null
-  labels:
-    appstudio.openshift.io/application: sagano
-    appstudio.openshift.io/component: centos-tier-0-stream9
-    pipelines.appstudio.openshift.io/type: build
-  name: centos-tier-0-stream9-on-push
-  namespace: project-sagano-tenant
-spec:
-  params:
-  - name: dockerfile
-    value: Dockerfile
-  - name: git-url
-    value: '{{repo_url}}'
-  - name: output-image
-    value: quay.io/redhat-user-workloads/project-sagano-tenant/sagano/centos-tier-0-stream9:{{revision}}
-  - name: path-context
-    value: .
-  - name: revision
-    value: '{{revision}}'
-  pipelineRef:
-    name: ostree-build
-  workspaces:
-    - name: workspace
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 1Gi
-        status: {}
-    - name: workspace-arm64
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 2Gi
-        status: {}
-    - name: workspace-s390x
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 2Gi
-        status: {}
-    - name: workspace-ppc64le
-      volumeClaimTemplate:
-        metadata:
-          creationTimestamp: null
-        spec:
-          accessModes:
-            - ReadWriteOnce
-          resources:
-            requests:
-              storage: 2Gi
-        status: {}
-    - name: git-auth
-      secret:
-        secretName: '{{ git_auth_secret }}'
-status: {}
diff --git a/.tekton/fedora-tier-1-eln-pull-request.yaml b/.tekton/fedora-tier-1-eln-pull-request.yaml
index 320fa98b..3e19d8b3 100644
--- a/.tekton/fedora-tier-1-eln-pull-request.yaml
+++ b/.tekton/fedora-tier-1-eln-pull-request.yaml
@@ -15,410 +15,67 @@ metadata:
     appstudio.openshift.io/component: fedora-tier-1-eln
     pipelines.appstudio.openshift.io/type: build
   name: fedora-tier-1-eln-on-pull-request
-  namespace: centos-boot-tenant
+  namespace: project-centos-boot-tenant
 spec:
   params:
-  - name: dockerfile
-    value: Containerfile
-  - name: git-url
-    value: '{{repo_url}}'
-  - name: image-expires-after
-    value: 5d
-  - name: output-image
-    value: quay.io/redhat-user-workloads/centos-boot-tenant/centos-boot/fedora-tier-1-eln:on-pr-{{revision}}
-  - name: path-context
-    value: .
-  - name: revision
-    value: '{{revision}}'
-  pipelineSpec:
-    finally:
-    - name: show-sbom
-      params:
-      - name: IMAGE_URL
-        value: $(tasks.build-container.results.IMAGE_URL)
-      taskRef:
-        params:
-        - name: name
-          value: show-sbom
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-show-sbom:0.1@sha256:7db0af43dcebaeb33e34413148370e17078c30fd2fc78fb84c8941b444199f36
-        - name: kind
-          value: task
-        resolver: bundles
-    - name: show-summary
-      params:
-      - name: pipelinerun-name
-        value: $(context.pipelineRun.name)
-      - name: git-url
-        value: $(tasks.clone-repository.results.url)?rev=$(tasks.clone-repository.results.commit)
-      - name: image-url
-        value: $(params.output-image)
-      - name: build-task-status
-        value: $(tasks.build-container.status)
-      taskRef:
-        params:
-        - name: name
-          value: summary
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-summary:0.1@sha256:243b13105967b251c1facd55159165809a9fa797215af613997ac6a16798db73
-        - name: kind
-          value: task
-        resolver: bundles
-    params:
-    - description: Source Repository URL
-      name: git-url
-      type: string
-    - default: ""
-      description: Revision of the Source Repository
-      name: revision
-      type: string
-    - description: Fully Qualified Output Image
-      name: output-image
-      type: string
-    - default: .
-      description: Path to the source code of an application's component from where
-        to build image.
-      name: path-context
-      type: string
-    - default: Dockerfile
-      description: Path to the Dockerfile inside the context specified by parameter
-        path-context
-      name: dockerfile
-      type: string
-    - default: "false"
-      description: Force rebuild image
-      name: rebuild
-      type: string
-    - default: "false"
-      description: Skip checks against built image
-      name: skip-checks
-      type: string
-    - default: "true"
-      description: Skip optional checks, set false if you want to run optional checks
-      name: skip-optional
-      type: string
-    - default: "false"
-      description: Execute the build with network isolation
-      name: hermetic
-      type: string
-    - default: ""
-      description: Build dependencies to be prefetched by Cachi2
-      name: prefetch-input
-      type: string
-    - default: "false"
-      description: Java build
-      name: java
-      type: string
-    - default: ""
-      description: Image tag expiration time, time values could be something like
-        1h, 2d, 3w for hours, days, and weeks, respectively.
-      name: image-expires-after
-    - default: "false"
-      description: Build a source image.
-      name: build-source-image
-      type: string
-    results:
-    - description: ""
-      name: IMAGE_URL
-      value: $(tasks.build-container.results.IMAGE_URL)
-    - description: ""
-      name: IMAGE_DIGEST
-      value: $(tasks.build-container.results.IMAGE_DIGEST)
-    - description: ""
-      name: CHAINS-GIT_URL
-      value: $(tasks.clone-repository.results.url)
-    - description: ""
-      name: CHAINS-GIT_COMMIT
-      value: $(tasks.clone-repository.results.commit)
-    - description: ""
-      name: JAVA_COMMUNITY_DEPENDENCIES
-      value: $(tasks.build-container.results.JAVA_COMMUNITY_DEPENDENCIES)
-    tasks:
-    - name: init
-      params:
-      - name: image-url
-        value: $(params.output-image)
-      - name: rebuild
-        value: $(params.rebuild)
-      - name: skip-checks
-        value: $(params.skip-checks)
-      - name: skip-optional
-        value: $(params.skip-optional)
-      - name: pipelinerun-name
-        value: $(context.pipelineRun.name)
-      - name: pipelinerun-uid
-        value: $(context.pipelineRun.uid)
-      taskRef:
-        params:
-        - name: name
-          value: init
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-init:0.1@sha256:26586a7ef08c3e86dfdaf0a5cc38dd3d70c4c02db1331b469caaed0a0f5b3d86
-        - name: kind
-          value: task
-        resolver: bundles
-    - name: clone-repository
-      params:
-      - name: url
-        value: $(params.git-url)
-      - name: revision
-        value: $(params.revision)
-      runAfter:
-      - init
-      taskRef:
-        params:
-        - name: name
-          value: git-clone
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-git-clone:0.1@sha256:d9e1ab10d72953e7a85dab69b8b96f5b41580a6d4026f77b6a5ba6f3ed227cc3
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(tasks.init.results.build)
-        operator: in
-        values:
-        - "true"
-      workspaces:
-      - name: output
-        workspace: workspace
-      - name: basic-auth
-        workspace: git-auth
-    - name: prefetch-dependencies
-      params:
-      - name: input
-        value: $(params.prefetch-input)
-      runAfter:
-      - clone-repository
-      taskRef:
-        params:
-        - name: name
-          value: prefetch-dependencies
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-prefetch-dependencies:0.1@sha256:ca366af4f096e94dad40a327a09328a5e4bed4d0292a213165861e9e19bf380e
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.hermetic)
-        operator: in
-        values:
-        - "true"
-      workspaces:
-      - name: source
-        workspace: workspace
-    - name: build-container
-      params:
-      - name: IMAGE
-        value: $(params.output-image)
-      - name: DOCKERFILE
-        value: $(params.dockerfile)
-      - name: CONTEXT
-        value: $(params.path-context)
-      - name: HERMETIC
-        value: $(params.hermetic)
-      - name: PREFETCH_INPUT
-        value: $(params.prefetch-input)
-      - name: IMAGE_EXPIRES_AFTER
-        value: $(params.image-expires-after)
-      - name: COMMIT_SHA
-        value: $(tasks.clone-repository.results.commit)
-      runAfter:
-      - prefetch-dependencies
-      taskRef:
-        params:
-        - name: name
-          value: buildah
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-buildah:0.1@sha256:fabd9af8e999f2d11b024fbe21dd5ed2dcf029b71b4d7e21de3b106c3d6ff74d
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(tasks.init.results.build)
-        operator: in
-        values:
-        - "true"
-      workspaces:
-      - name: source
-        workspace: workspace
-    - name: build-source-image
-      params:
-      - name: BINARY_IMAGE
-        value: $(params.output-image)
-      - name: BASE_IMAGES
-        value: $(tasks.build-container.results.BASE_IMAGES_DIGESTS)
-      runAfter:
-      - build-container
-      taskRef:
-        params:
-        - name: name
-          value: source-build
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-source-build:0.1@sha256:e751a76622743cf51b35ba230768be9886535b7cf51491c2b8513979e7a577d8
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(tasks.init.results.build)
-        operator: in
-        values:
-        - "true"
-      - input: $(params.build-source-image)
-        operator: in
-        values:
-        - "true"
-      workspaces:
-      - name: workspace
-        workspace: workspace
-    - name: inspect-image
-      params:
-      - name: IMAGE_URL
-        value: $(tasks.build-container.results.IMAGE_URL)
-      - name: IMAGE_DIGEST
-        value: $(tasks.build-container.results.IMAGE_DIGEST)
-      runAfter:
-      - build-container
-      taskRef:
-        params:
-        - name: name
-          value: inspect-image
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-inspect-image:0.1@sha256:3a5d3f611240eb5b7b12799c2be22a71803df80dbc12cce2e1e2a252ab543423
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.skip-checks)
-        operator: in
-        values:
-        - "false"
-      workspaces:
-      - name: source
-        workspace: workspace
-    - name: deprecated-base-image-check
-      params:
-      - name: BASE_IMAGES_DIGESTS
-        value: $(tasks.build-container.results.BASE_IMAGES_DIGESTS)
-      runAfter:
-      - build-container
-      taskRef:
-        params:
-        - name: name
-          value: deprecated-image-check
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-deprecated-image-check:0.3@sha256:35e2708505614397ede771474a2e2d6f04e911efc46afae47ca4a63e2f6fc9a0
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.skip-checks)
-        operator: in
-        values:
-        - "false"
-    - name: clair-scan
-      params:
-      - name: image-digest
-        value: $(tasks.build-container.results.IMAGE_DIGEST)
-      - name: image-url
-        value: $(tasks.build-container.results.IMAGE_URL)
-      runAfter:
-      - build-container
-      taskRef:
-        params:
-        - name: name
-          value: clair-scan
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-clair-scan:0.1@sha256:f6a5a24cb8faa590d4f3adc204a197fd89da1bcea365963af9ac66838c030816
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.skip-checks)
-        operator: in
-        values:
-        - "false"
-    - name: sast-snyk-check
-      runAfter:
-      - clone-repository
-      taskRef:
-        params:
-        - name: name
-          value: sast-snyk-check
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-sast-snyk-check:0.1@sha256:edd4ba638b71de52c2662abd3e93fd876e6e75cd07b162d13fae014d3a1a1fac
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.skip-checks)
-        operator: in
-        values:
-        - "false"
-      workspaces:
-      - name: workspace
-        workspace: workspace
-    - name: clamav-scan
-      params:
-      - name: image-digest
-        value: $(tasks.build-container.results.IMAGE_DIGEST)
-      - name: image-url
-        value: $(tasks.build-container.results.IMAGE_URL)
-      runAfter:
-      - build-container
-      taskRef:
-        params:
-        - name: name
-          value: clamav-scan
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-clamav-scan:0.1@sha256:b7d194547892219c663c4414d3bbb18e0c1798353e3922e4dc2b63ef9169adb9
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.skip-checks)
-        operator: in
-        values:
-        - "false"
-    - name: sbom-json-check
-      params:
-      - name: IMAGE_URL
-        value: $(tasks.build-container.results.IMAGE_URL)
-      - name: IMAGE_DIGEST
-        value: $(tasks.build-container.results.IMAGE_DIGEST)
-      runAfter:
-      - build-container
-      taskRef:
-        params:
-        - name: name
-          value: sbom-json-check
-        - name: bundle
-          value: quay.io/redhat-appstudio-tekton-catalog/task-sbom-json-check:0.1@sha256:0ca48e1dffde39efe97b3252386f529241d6b276fe812a88774a9f37fc45f742
-        - name: kind
-          value: task
-        resolver: bundles
-      when:
-      - input: $(params.skip-checks)
-        operator: in
-        values:
-        - "false"
-    workspaces:
+    - name: image-file
+      value: fedora-tier-1-eln.yaml
+    - name: git-url
+      value: '{{repo_url}}'
+    - name: output-image
+      value: quay.io/redhat-user-workloads/project-centos-boot-tenant/centos-boot/fedora-tier-1-eln:on-pr-{{revision}}
+    - name: path-context
+      value: .
+    - name: revision
+      value: '{{revision}}'
+  pipelineRef:
+    name: ostree-build
+  workspaces:
     - name: workspace
+      volumeClaimTemplate:
+        metadata:
+          creationTimestamp: null
+        spec:
+          accessModes:
+            - ReadWriteOnce
+          resources:
+            requests:
+              storage: 1Gi
+        status: {}
+    - name: workspace-arm64
+      volumeClaimTemplate:
+        metadata:
+          creationTimestamp: null
+        spec:
+          accessModes:
+            - ReadWriteOnce
+          resources:
+            requests:
+              storage: 2Gi
+        status: {}
+    - name: workspace-s390x
+      volumeClaimTemplate:
+        metadata:
+          creationTimestamp: null
+        spec:
+          accessModes:
+            - ReadWriteOnce
+          resources:
+            requests:
+              storage: 2Gi
+        status: {}
+    - name: workspace-ppc64le
+      volumeClaimTemplate:
+        metadata:
+          creationTimestamp: null
+        spec:
+          accessModes:
+            - ReadWriteOnce
+          resources:
+            requests:
+              storage: 2Gi
+        status: {}
     - name: git-auth
-      optional: true
-  workspaces:
-  - name: workspace
-    volumeClaimTemplate:
-      metadata:
-        creationTimestamp: null
-      spec:
-        accessModes:
-        - ReadWriteOnce
-        resources:
-          requests:
-            storage: 1Gi
-      status: {}
-  - name: git-auth
-    secret:
-      secretName: '{{ git_auth_secret }}'
+      secret:
+        secretName: '{{ git_auth_secret }}'
 status: {}
diff --git a/.tekton/ostree-build.yaml b/.tekton/ostree-build.yaml
index 43029d86..f70a28d8 100644
--- a/.tekton/ostree-build.yaml
+++ b/.tekton/ostree-build.yaml
@@ -191,34 +191,6 @@ spec:
           workspace: workspace-s390x
         - name: basic-auth
           workspace: git-auth
-    - name: clone-repository-ppc64le
-      params:
-        - name: url
-          value: $(params.git-url)
-        - name: revision
-          value: $(params.revision)
-      runAfter:
-        - init
-      taskRef:
-        kind: Task
-        params:
-          - name: name
-            value: git-clone
-          - name: bundle
-            value: quay.io/redhat-appstudio-tekton-catalog/task-git-clone:0.1@sha256:d9e1ab10d72953e7a85dab69b8b96f5b41580a6d4026f77b6a5ba6f3ed227cc3
-          - name: kind
-            value: task
-        resolver: bundles
-      when:
-        - input: $(tasks.init.results.build)
-          operator: in
-          values:
-            - "true"
-      workspaces:
-        - name: output
-          workspace: workspace-ppc64le
-        - name: basic-auth
-          workspace: git-auth
     - name: build-container-amd64
       params:
         - name: IMAGE
@@ -324,41 +296,6 @@ spec:
       workspaces:
         - name: source
           workspace: workspace-s390x
-    - name: build-container-ppc64le
-      params:
-        - name: IMAGE
-          value: $(params.output-image)-ppc64le
-        - name: IMAGE_FILE
-          value: $(params.image-file)
-        - name: CONTEXT
-          value: $(params.path-context)
-        - name: IMAGE_EXPIRES_AFTER
-          value: $(params.image-expires-after)
-        - name: COMMIT_SHA
-          value: $(tasks.clone-repository.results.commit)
-        - name: PLATFORM
-          value: linux/ppc64le
-        - name: BUILDER_IMAGE
-          value: quay.io/centos-boot/builder:latest
-      runAfter:
-        - clone-repository-ppc64le
-      taskRef:
-        params:
-          - name: name
-            value: rpm-ostree
-          - name: bundle
-            value: quay.io/redhat-appstudio-tekton-catalog/task-rpm-ostree:0.1@sha256:b7dbe76640d10cd7b7ff39573ad7f5ca7523237449e38447c9bdca0ec3e1f187
-          - name: kind
-            value: task
-        resolver: bundles
-      when:
-        - input: $(tasks.init.results.build)
-          operator: in
-          values:
-            - "true"
-      workspaces:
-        - name: source
-          workspace: workspace-s390x
     - name: build-container
       params:
         - name: IMAGE
@@ -370,12 +307,10 @@ spec:
             - $(tasks.build-container-amd64.results.IMAGE_URL)@$(tasks.build-container-amd64.results.IMAGE_DIGEST)
             - $(tasks.build-container-arm64.results.IMAGE_URL)@$(tasks.build-container-arm64.results.IMAGE_DIGEST)
             - $(tasks.build-container-s390x.results.IMAGE_URL)@$(tasks.build-container-s390x.results.IMAGE_DIGEST)
-            - $(tasks.build-container-ppc64le.results.IMAGE_URL)@$(tasks.build-container-ppc64le.results.IMAGE_DIGEST)
       runAfter:
         - build-container-amd64
         - build-container-arm64
         - build-container-s390x
-        - build-container-ppc64le
       taskRef:
         params:
           - name: name
@@ -500,7 +435,6 @@ spec:
   workspaces:
     - name: workspace
     - name: workspace-arm64
-    - name: workspace-ppc64le
     - name: workspace-s390x
     - name: git-auth
       optional: true