diff --git a/.github/workflows/downstreams.yml b/.github/workflows/downstreams.yml
deleted file mode 100644
index 4e7f094e..00000000
--- a/.github/workflows/downstreams.yml
+++ /dev/null
@@ -1,64 +0,0 @@
-
-name: downstreams
-
-on:
-  pull_request:
-    types: [opened, synchronize]
-  merge_group:
-    types: [checks_requested]
-  push:
-    # Always run on push to main. The build cache can only be reused
-    # if it was saved by a run from the repository's default branch.
-    # The run result will be identical to that from the merge queue
-    # because the commit is identical, yet we need to perform it to
-    # seed the build cache.
-    branches:
-      - main
-
-permissions:
-  contents: read
-
-jobs:
-  compatibility:
-    permissions:
-      # JFrog OIDC authentication.
-      id-token: write
-      # Write test results to the PR.
-      pull-requests: write
-    strategy:
-      fail-fast: false
-      matrix:
-        downstream:
-          # Disabled for UCX as of the 0.17 release:
-          #  - UCX depends on <0.17 so the checks are moot. (And we know they will fail.)
-          #  - The downstream test also force-installs a version of the Databricks SDK that causes many UCX tests to
-          #    fail.
-          # Both will need to be addressed before this can (and should) be enabled again.
-          #- name: ucx
-          - name: remorph
-    runs-on:
-      group: databrickslabs-protected-runner-group
-      labels: linux-ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
-        with:
-          fetch-depth: 0
-
-      - name: Setup uv
-        uses: astral-sh/setup-uv@5a095e7a2014a4212f075830d4f7277575a9d098  # v7.3.1
-        with:
-          version: "0.11.2"
-          checksum: "7ac2ca0449c8d68dae9b99e635cd3bc9b22a4cb1de64b7c43716398447d42981"
-
-      - name: Setup for JFrog
-        uses: ./.github/actions/jfrog-auth
-
-      - name: Acceptance
-        run: printf '::error::%s\n' "Downstream tests disabled pending repository lockdown."
-        #uses: databrickslabs/sandbox/downstreams@3313d06ce86227537b3f37f5974f7eecb2a8e59a  # acceptance/v0.4.4
-        #with:
-        #  repo: ${{ matrix.downstream.name }}
-        #  org: databrickslabs
-        #env:
-        #  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}