diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index f5e061be..4e6f484a 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -2,7 +2,6 @@ name: Continuous integration
 
 on:
   push:
-    branches: master
   pull_request:
     branches: master
   workflow_dispatch: # allows manual triggering
@@ -15,60 +14,60 @@ concurrency:
   cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
 
 jobs:
-  test-nixpkgs:
-    name: Build & Test - Nixpkgs - ${{ matrix.bzlmodEnabled && 'bzlmod' || 'workspace' }} ${{ matrix.withNixRemote && '- NixRemote ' || '' }}- ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-latest
-          - macos-12
-        bzlmodEnabled:
-          - true
-          - false
-        withNixRemote:
-          - true
-          - false
-        exclude:
-          # skip nix remote jobs on MacOS
-          - os: macos-12
-            withNixRemote: true
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v30
-        with:
-          nix_path: nixpkgs=./docs/nixpkgs.nix
-      - uses: ./.github/actions/configure_bazelrc
-        with:
-          buildbuddy_api_key: ${{ secrets.BUILDBUDDY_API_KEY }}
-      - name: Start remote Nix server
-        if: matrix.withNixRemote
-        run: |
-          # Generate temporary SSH keys.
-          mkdir -p $HOME/.ssh
-          mkdir -p .github/nix-server/keys
-          ssh-keygen -t ed25519 -f .github/nix-server/keys/ci -C ci-nix-server -q -N ""
-
-          docker build -t nix-server -f .github/nix-server/Dockerfile .
-          docker run -d -p 2222:22 nix-server
-
-          cp .github/nix-server/keys/* $HOME/.ssh/
-
-          sudo cp .github/nix-server/config /etc/ssh/ssh_config
-
-          echo "Setting BAZEL_NIX_REMOTE env variable"
-          echo BAZEL_NIX_REMOTE=nix-server >> "$GITHUB_ENV"
-      - name: Build & test
-        env:
-          BZLMOD_ENABLED: ${{ matrix.bzlmodEnabled }}
-        run: |
-          nix-shell --pure \
-            --keep GITHUB_STEP_SUMMARY \
-            --keep GITHUB_REPOSITORY \
-            --keep BZLMOD_ENABLED \
-            --keep BAZEL_NIX_REMOTE \
-            --run 'bash .github/build-and-test'
+  # test-nixpkgs:
+  #   name: Build & Test - Nixpkgs - ${{ matrix.bzlmodEnabled && 'bzlmod' || 'workspace' }} ${{ matrix.withNixRemote && '- NixRemote ' || '' }}- ${{ matrix.os }}
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       os:
+  #         - ubuntu-latest
+  #         - macos-12
+  #       bzlmodEnabled:
+  #         - true
+  #         - false
+  #       withNixRemote:
+  #         - true
+  #         - false
+  #       exclude:
+  #         # skip nix remote jobs on MacOS
+  #         - os: macos-12
+  #           withNixRemote: true
+  #   runs-on: ${{ matrix.os }}
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #     - uses: cachix/install-nix-action@v30
+  #       with:
+  #         nix_path: nixpkgs=./docs/nixpkgs.nix
+  #     - uses: ./.github/actions/configure_bazelrc
+  #       with:
+  #         buildbuddy_api_key: ${{ secrets.BUILDBUDDY_API_KEY }}
+  #     - name: Start remote Nix server
+  #       if: matrix.withNixRemote
+  #       run: |
+  #         # Generate temporary SSH keys.
+  #         mkdir -p $HOME/.ssh
+  #         mkdir -p .github/nix-server/keys
+  #         ssh-keygen -t ed25519 -f .github/nix-server/keys/ci -C ci-nix-server -q -N ""
+
+  #         docker build -t nix-server -f .github/nix-server/Dockerfile .
+  #         docker run -d -p 2222:22 nix-server
+
+  #         cp .github/nix-server/keys/* $HOME/.ssh/
+
+  #         sudo cp .github/nix-server/config /etc/ssh/ssh_config
+
+  #         echo "Setting BAZEL_NIX_REMOTE env variable"
+  #         echo BAZEL_NIX_REMOTE=nix-server >> "$GITHUB_ENV"
+  #     - name: Build & test
+  #       env:
+  #         BZLMOD_ENABLED: ${{ matrix.bzlmodEnabled }}
+  #       run: |
+  #         nix-shell --pure \
+  #           --keep GITHUB_STEP_SUMMARY \
+  #           --keep GITHUB_REPOSITORY \
+  #           --keep BZLMOD_ENABLED \
+  #           --keep BAZEL_NIX_REMOTE \
+  #           --run 'bash .github/build-and-test'
   test-examples:
     name: Build & Test - Examples
     strategy:
@@ -158,13 +157,13 @@ jobs:
           working-directory: examples/flakes
           run: bazel run --crosstool_top=@nixpkgs_config_cc//:toolchain :hello
 
-  all_ci_tests:
-    runs-on: ubuntu-latest
-    needs:
-      - test-nixpkgs
-      - test-examples
-    if: ${{ always() }}
-    steps:
-      - uses: cgrindel/gha_join_jobs@794a2d117251f22607f1aab937d3fd3eaaf9a2f5 # v1
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
+  # all_ci_tests:
+  #   runs-on: ubuntu-latest
+  #   needs:
+  #     - test-nixpkgs
+  #     - test-examples
+  #   if: ${{ always() }}
+  #   steps:
+  #     - uses: cgrindel/gha_join_jobs@794a2d117251f22607f1aab937d3fd3eaaf9a2f5 # v1
+  #       with:
+  #         github_token: ${{ secrets.GITHUB_TOKEN }}