diff --git a/.github/workflows/promote-image.yml b/.github/workflows/promote-image.yml
deleted file mode 100644
index 858fcda88..000000000
--- a/.github/workflows/promote-image.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-name: Promote Image to registry.k8s.io
-
-on:
-  schedule:
-    - cron: '0 16 * * *' # Run every day at GMT+8 midnight
-
-  workflow_dispatch: # Use for manaully trigger to debug
-
-jobs:
-  promote-image:
-    runs-on: ubuntu-latest
-    environment: promote-image
-    steps:
-      # This step uses Github's checkout-action: https://github.com/actions/checkout
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Configure Git
-        run: |
-          git config user.name "$GITHUB_ACTOR"
-          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
-
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: 'go.mod'
-
-      # pass XudongLiuHarold in this step because kpromo can only work on a fork, so leverage 
-      # one maintainer(@XudongLiuHarold)'s fork repo
-      - name: Run kpromo command to promote image to registry.k8s.io
-        run: |
-          if hack/match-release-tag.sh >/dev/null 2>&1; then
-            ./hack/kpromo.sh XudongLiuHarold
-          else
-            echo "$(git describe --dirty) is not a release tag, skip promoting to registry.k8s.io"
-          fi
-        env:
-          GITHUB_TOKEN: ${{ secrets.XUDONG_GITHUB_TOKEN }}
diff --git a/cloudbuild-pr.yaml b/cloudbuild-pr.yaml
deleted file mode 100644
index e67f4817a..000000000
--- a/cloudbuild-pr.yaml
+++ /dev/null
@@ -1,21 +0,0 @@
-# See https://cloud.google.com/cloud-build/docs/build-config
-# See https://console.cloud.google.com/gcr/images/k8s-staging-test-infra/global/gcb-docker-gcloud
-timeout: 2700s
-options:
-  substitution_option: ALLOW_LOOSE
-  machineType: 'E2_HIGHCPU_8'
-steps:
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20240210-29014a6e3a'
-    entrypoint: make
-    env:
-    - DOCKER_CLI_EXPERIMENTAL=enabled
-    - TAG=$_GIT_TAG
-    - PULL_BASE_REF=$_PULL_BASE_REF
-    - DOCKER_BUILDKIT=1
-    args:
-    - pr-staging
-substitutions:
-  # _GIT_TAG will be filled with a git-based tag for the image, of the form vYYYYMMDD-hash, and
-  # can be used as a substitution
-  _GIT_TAG: '12345'
-  _PULL_BASE_REF: 'dev'