diff --git a/.github/workflows/trivy-nightly-scan.yaml b/.github/workflows/trivy-nightly-scan.yaml
deleted file mode 100644
index 62fb4d0dd..000000000
--- a/.github/workflows/trivy-nightly-scan.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Trivy Nightly Scan
-on:
-  schedule:
-    - cron: '0 2 * * *' # run at 2 AM UTC
-
-permissions: read-all 
-jobs:
-  nightly-scan:
-    name: Trivy Scan nightly
-    strategy:
-      fail-fast: false
-      matrix:
-        # maintain the versions of etcd that need to be actively
-        # security scanned
-        versions: [v3.4.22, v3.5.6]
-    permissions:
-      security-events: write  # for github/codeql-action/upload-sarif to upload SARIF results
-
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
-      - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@9ab158e8597f3b310480b9a69402b419bc03dbd5 # master
-        with:
-          image-ref: 'gcr.io/etcd-development/etcd:${{ matrix.versions }}'
-          severity: 'CRITICAL,HIGH'
-          format: 'template'
-          template: '@/contrib/sarif.tpl'
-          output: 'trivy-results.sarif'
-
-      - name: Upload Trivy scan results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@a669cc5936cc5e1b6a362ec1ff9e410dc570d190 # v2.1.36
-        with:
-          sarif_file: 'trivy-results.sarif'