diff --git a/third_party/protozero/.github/workflows/ci.yml b/third_party/protozero/.github/workflows/ci.yml
deleted file mode 100644
index b02b4caa8..000000000
--- a/third_party/protozero/.github/workflows/ci.yml
+++ /dev/null
@@ -1,176 +0,0 @@
-name: CI
-
-on: [ push, pull_request ]
-
-jobs:
-  linux:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        image:
-          - "ubuntu:18.04"        # gcc  7.5.0, clang  6.0.0, cmake 3.10.2
-          - "ubuntu:20.04"        # gcc  9.3.0, clang 10.0.0, cmake 3.16.3
-          - "ubuntu:21.04"        # gcc 10.3.0, clang 12.0.0, cmake 3.18.4
-          - "ubuntu:21.10"        # gcc 11.2.0, clang 13.0.0, cmake 3.18.4
-          - "debian:stretch"      # gcc  6.3.0, clang  3.8.1, cmake 3.7.2
-          - "debian:buster"       # gcc  8.3.0, clang  7.0.1, cmake 3.13.4
-          - "debian:bullseye"     # gcc 10.2.1, clang 11.0.1, cmake 3.18.4
-          - "debian:testing"      # gcc 10.3.0, clang 11.1.0, cmake 3.21.3
-          - "debian:experimental" # gcc 11.0.0, clang 14.0.0, cmake 3.21.3
-          - "fedora:34"           # gcc 11.2.1, clang 12.0.1, cmake 3.20.5
-          - "fedora:35"           # gcc 11.2.1, clang 13.0.0, cmake 3.22.0
-        build_type: [Debug]
-        cpp_compiler: [g++]
-        cpp_version: [11]
-        include:
-          - image: "debian:bullseye"
-            cpp_version: 14
-          - image: "debian:bullseye"
-            cpp_version: 17
-          - image: "debian:bullseye"
-            cpp_version: 20
-          - image: "debian:bullseye"
-            c_compiler: clang
-            cpp_compiler: clang++
-            cpp_version: 14
-          - image: "debian:bullseye"
-            c_compiler: clang
-            cpp_compiler: clang++
-            cpp_version: 17
-          - image: "debian:bullseye"
-            c_compiler: clang
-            cpp_compiler: clang++
-            cpp_version: 20
-          - image: "debian:bullseye"
-            build_type: Release
-          - image: "debian:bullseye"
-            c_compiler: clang
-            cpp_compiler: clang++
-          - image: "debian:bullseye"
-            c_compiler: clang
-            cpp_compiler: clang++
-            data_view: std::string_view
-# Disabled because it fails due to a bug in the protobuf library
-# See https://github.com/protocolbuffers/protobuf/issues/7224
-#          - image: "debian:bullseye"
-#            c_compiler: clang
-#            cpp_compiler: clang++
-#            CXXFLAGS: "-fsanitize=address,undefined,integer -fno-sanitize-recover=all -fno-omit-frame-pointer"
-#            LDFLAGS: "-fsanitize=address,undefined,integer"
-          - image: "debian:testing"
-            c_compiler: clang
-            cpp_compiler: clang++
-          - image: "debian:experimental"
-            c_compiler: clang-14
-            cpp_compiler: clang++-14
-    container:
-      image: ${{ matrix.image }}
-      env:
-        BUILD_TYPE: ${{ matrix.build_type }}
-        CC: ${{ matrix.c_compiler }}
-        CXX: ${{ matrix.cpp_compiler }}
-        CXXFLAGS: ${{ matrix.CXXFLAGS }}
-        LDFLAGS: ${{ matrix.LDFLAGS }}
-        CPP_VERSION: ${{ matrix.cpp_version }}
-        PROTOZERO_DATA_VIEW: ${{ matrix.data_view }}
-        APT_LISTCHANGES_FRONTEND: none
-        DEBIAN_FRONTEND: noninteractive
-    steps:
-      - name: Prepare container (apt)
-        shell: bash
-        if: startsWith(matrix.image, 'debian:') || startsWith(matrix.image, 'ubuntu:')
-        run: |
-          apt-get update -qq
-          apt-get install -y \
-            clang \
-            cmake \
-            doxygen \
-            g++ \
-            graphviz \
-            libprotobuf-dev \
-            make \
-            protobuf-compiler
-      - name: Install compiler
-        shell: bash
-        if: matrix.cpp_compiler == 'clang++-14'
-        run: apt-get install -y --no-install-suggests --no-install-recommends clang-14
-      - name: Prepare container (dnf)
-        shell: bash
-        if: startsWith(matrix.image, 'fedora:')
-        run: |
-          dnf install --quiet --assumeyes \
-            cmake \
-            doxygen \
-            gcc-c++ \
-            graphviz \
-            make \
-            protobuf-devel \
-            protobuf-lite-static
-      - uses: actions/checkout@v2
-      - uses: ./.github/actions/cmake
-      - uses: ./.github/actions/build
-      - uses: ./.github/actions/ctest
-
-  ubuntu-latest:
-    runs-on: ubuntu-20.04
-    env:
-      CC: clang-13
-      CXX: clang++-13
-      BUILD_TYPE: Debug
-    steps:
-      - name: Install new clang
-        run: |
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo add-apt-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-13 main'
-        shell: bash
-      - uses: actions/checkout@v2
-      - uses: ./.github/actions/install-ubuntu
-      - uses: ./.github/actions/cmake
-      - uses: ./.github/actions/build
-      - uses: ./.github/actions/ctest
-
-  macos:
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - "macos-10.15"
-          - "macos-11.0"
-        build_type: [Debug]
-        include:
-          - os: "macos-11.0"
-            build_type: Release
-    runs-on: ${{ matrix.os }}
-    env:
-      CC: clang
-      CXX: clang++
-      BUILD_TYPE: ${{ matrix.build_type }}
-    steps:
-      - run: brew install protobuf
-      - uses: actions/checkout@v2
-      - uses: ./.github/actions/cmake
-      - uses: ./.github/actions/build
-      - uses: ./.github/actions/ctest
-
-  windows:
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - windows-2019
-          - windows-2022
-    runs-on: ${{ matrix.os }}
-    steps:
-      - run: |
-          vcpkg install \
-            protobuf:x64-windows \
-            protobuf-c:x64-windows
-        shell: bash
-      - uses: actions/checkout@v2
-        with:
-          submodules: true
-      - uses: ./.github/actions/cmake-windows
-      - uses: ./.github/actions/build-windows
-      - uses: ./.github/actions/ctest-windows
-