diff --git a/.github/workflows/ci-cross-version-upgrade.yaml b/.github/workflows/ci-cross-version-upgrade.yaml
deleted file mode 100644
index 1bfe081001..0000000000
--- a/.github/workflows/ci-cross-version-upgrade.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: CI Cross-Version Upgrade
-
-permissions:
-  contents: read
-
-on:
-  push:
-    tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
-  workflow_dispatch:
-
-jobs:
-  cross-version-upgrade:
-    timeout-minutes: 45
-    runs-on: ubuntu-latest
-    steps:
-      - name: Placeholder
-        run: echo "Cross-version upgrade CI — not yet implemented"