diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
deleted file mode 100644
index d635401..0000000
--- a/.github/workflows/actions.yml
+++ /dev/null
@@ -1,83 +0,0 @@
-# ref: https://github.com/actions/runner-images
-name: build_and_test
-
-# Controls when the action will run.
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-  workflow_dispatch:
-
-concurrency:
-  # Each run on master gets its own group, so that master runs are never
-  # cancelled and every commit gets a CI result. Setting
-  # cancel-in-progress to false would not suffice: a new run still cancels
-  # a pending run in the same group.
-  group: ${{github.workflow}}-${{github.ref == 'refs/heads/master' && github.run_id || github.ref}}
-  cancel-in-progress: true
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  unix:
-    strategy:
-      fail-fast: false
-      matrix:
-        runs-on: [ubuntu-latest]
-        build_tool: [bazel, cmake]
-
-    name: "script ${{matrix.build_tool}}"
-    runs-on: ${{matrix.runs-on}}
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      - name: Show env
-        run: env
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v7
-
-      - name: Setup bazel
-        if: matrix.build_tool == 'bazel'
-        uses: bazel-contrib/setup-bazel@0.19.1
-        with:
-          bazelisk-cache: true
-          disk-cache: ${{ github.workflow }}
-          repository-cache: true
-          # Only master saves caches; pull requests restore master's caches
-          # (by key prefix), so they pay only for what they change, and the
-          # repository's 10 GB cache storage is not filled with per-PR copies.
-          cache-save: ${{github.ref == 'refs/heads/master'}}
-          # Bazel 9 also keeps extracted repositories (e.g. Python toolchains)
-          # in the repository cache, which grew the saved cache from about
-          # 0.4 GB to 1.6 GB; restoring that takes longer than re-extracting.
-          bazelrc: common --repo_contents_cache=
-
-      - name: Show bazel version
-        if: matrix.build_tool == 'bazel'
-        run: bazel --version
-
-      - name: Show cmake version
-        if: matrix.build_tool == 'cmake'
-        run: cmake --version
-
-      # The runner's system Python is managed by Debian (pip cannot replace its
-      # packages) and may be newer than the versions with requirements lock
-      # files, so use a Python from actions/setup-python instead.
-      - name: Setup Python
-        uses: actions/setup-python@v7
-        with:
-          python-version: '3.12'
-
-      - name: Show platform info
-        run: python -m platform
-
-      - name: Install virtualenv
-        run: python -m pip install virtualenv
-
-      - name: Show nproc
-        run: echo nproc=$(nproc)
-
-      - name: Build and run tests
-        run: bash ./scripts/build_and_run_tests_${{matrix.build_tool}}.sh -j $(nproc)
diff --git a/.github/workflows/ubuntu-build.yml b/.github/workflows/ubuntu-build.yml
deleted file mode 100644
index 3a07cc8..0000000
--- a/.github/workflows/ubuntu-build.yml
+++ /dev/null
@@ -1,107 +0,0 @@
-# ref: https://github.com/actions/runner-images
-name: ubuntu-build
-
-# Controls when the action will run.
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-  workflow_dispatch:
-
-concurrency:
-  # Each run on master gets its own group, so that master runs are never
-  # cancelled and every commit gets a CI result. Setting
-  # cancel-in-progress to false would not suffice: a new run still cancels
-  # a pending run in the same group.
-  group: ci-${{github.workflow}}-${{github.ref == 'refs/heads/master' && github.run_id || github.ref}}
-  cancel-in-progress: true
-
-jobs:
-  cmake:
-    name: ubuntu-latest cmake
-    runs-on: ubuntu-latest
-    steps:
-      - name: Show env
-        run: env
-      - uses: actions/checkout@v7
-      - name: Install Build Dependencies
-        run: >
-          sudo apt update &&
-          sudo apt install --no-install-recommends -y
-          cmake make
-      - name: Show Python version and platform info
-        run: |
-          python --version
-          python -m platform
-      - name: Show CMake version
-        run: cmake --version
-      - name: CMake Configure
-        run: cmake -S. -Bbuild -DCMAKE_VERBOSE_MAKEFILE=ON
-      - name: CMake Build
-        run: cmake --build build -j$(nproc)
-
-  bazel_inner:
-    strategy:
-      matrix:
-        options: [
-          {version: 17, flags: "-std=c++17"},
-          {version: 20, flags: "-std=c++20"},
-        ]
-      fail-fast: false # Don't cancel all jobs if one fails.
-    name: bazel c++${{ matrix.options.version }}
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v7
-      - name: Setup Python
-        uses: actions/setup-python@v7
-        with:
-          python-version: 3.11 # Current default version in MODULE.bazel
-      - name: Show Python version and platform info
-        run: |
-          python --version
-          python -m platform
-      - uses: bazel-contrib/setup-bazel@0.19.1
-        with:
-          bazelisk-cache: true
-          # One disk cache per C++ standard: a cache is written once per key,
-          # and C++17 and C++20 builds do not share compile actions.
-          disk-cache: ${{ github.workflow }}-cxx${{ matrix.options.version }}
-          repository-cache: true
-          # Only master saves caches; pull requests restore master's caches
-          # (by key prefix), so they pay only for what they change, and the
-          # repository's 10 GB cache storage is not filled with per-PR copies.
-          cache-save: ${{github.ref == 'refs/heads/master'}}
-          # Bazel 9 also keeps extracted repositories (e.g. Python toolchains)
-          # in the repository cache, which grew the saved cache from about
-          # 0.4 GB to 1.6 GB; restoring that takes longer than re-extracting.
-          bazelrc: common --repo_contents_cache=
-      - name: Show Bazel version
-        run: bazel --version
-      - name: Bazel Build
-        shell: bash
-        run: >
-          bazel build
-          --config=ci
-          --cxxopt=${{ matrix.options.flags }} --host_cxxopt=${{ matrix.options.flags }}
-          --subcommands=pretty_print
-          --enable_bzlmod
-          //...
-      - name: Bazel Test
-        shell: bash
-        run: >
-          bazel test
-          --config=ci
-          --cxxopt=${{ matrix.options.flags }} --host_cxxopt=${{ matrix.options.flags }}
-          --subcommands=pretty_print
-          --enable_bzlmod
-          //...
-
-  bazel:
-    name: ubuntu-latest bazel
-    runs-on: ubuntu-latest
-    needs: bazel_inner
-    steps:
-      - uses: actions/checkout@v7
diff --git a/pybind11_abseil/scripts/build_and_run_tests_bazel.sh b/pybind11_abseil/scripts/build_and_run_tests_bazel.sh
deleted file mode 100755
index 0fe2d4e..0000000
--- a/pybind11_abseil/scripts/build_and_run_tests_bazel.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/bin/bash
-
-# The following script builds and runs tests
-
-set -e  # exit when any command fails
-set -x  # Prints all executed commands
-
-MYDIR="$(dirname "$(realpath "$0")")"
-
-BAZEL=$(which bazel || true)
-if [[ -z $BAZEL || ! -x $BAZEL ]]
-then
-  echo -e -n '\e[1m\e[93m'
-  echo -n 'Bazel not found (bazel (https://bazel.build/) is needed to '
-  echo -n 'compile & test). '
-  echo -e 'Exiting...\e[0m'
-  exit 1
-fi
-
-echo "Building and testing in $PWD using 'python' (version $PYVERSION)."
-
-bazel clean --expunge # Force a deep update
-
-# Can't use BAZEL_CXXOPTS since it will be override by the bazelrc cxxopt need
-# to use --cxxopt on the command line instead which will override the bazelrc
-# cxxopt config.
-bazel test --cxxopt=-std=c++17 ... --test_output=errors "$@" --enable_bzlmod
-bazel test --cxxopt=-std=c++20 ... --test_output=errors "$@" --enable_bzlmod
diff --git a/pybind11_abseil/scripts/build_and_run_tests_cmake.sh b/pybind11_abseil/scripts/build_and_run_tests_cmake.sh
deleted file mode 100755
index b6dc855..0000000
--- a/pybind11_abseil/scripts/build_and_run_tests_cmake.sh
+++ /dev/null
@@ -1,105 +0,0 @@
-#!/bin/bash
-
-# The following scripts:
-# - creates a virtualenv
-# - installs the pip package dependencies
-# - builds and runs tests
-
-set -e  # exit when any command fails
-set -x  # Prints all executed commands
-
-MYDIR="$(dirname "$(realpath "$0")")"
-
-CMAKE=$(which cmake || true)
-if [[ -z $CMAKE || ! -x $CMAKE ]]
-then
-  echo -e -n '\e[1m\e[93m'
-  echo -n 'CMake not found (cmake is needed to '
-  echo -n 'compile & test). '
-  echo -e 'Exiting...\e[0m'
-  exit 1
-fi
-
-VIRTUAL_ENV_BINARY=$(which virtualenv || true)
-if [[ -z $VIRTUAL_ENV_BINARY || ! -x $VIRTUAL_ENV_BINARY ]]
-then
-  echo -e -n '\e[1m\e[93m'
-  echo -n 'virtualenv command not found '
-  echo -n '(try `python3 -m pip install virtualenv`, possibly as root). '
-  echo -e 'Exiting...\e[0m'
-  exit 1
-fi
-
-is_in_virtual_env="false"
-# if we are in a virtual_env, we will not create a new one inside.
-if [[ "$VIRTUAL_ENV" != "" ]]
-then
-  echo -e "\e[1m\e[93mVirtualenv already detected. We do not create a new one.\e[0m"
-  is_in_virtual_env="true"
-fi
-
-echo -e "\e[33mRunning ${0} from $PWD\e[0m"
-PYBIN=$(which python3 || true)
-if [[ -z $PYBIN || ! -x $PYBIN ]]
-then
-  echo -e '\e[1m\e[93mpython3 not found! Skip build and test.\e[0m'
-  exit 1
-fi
-
-PYVERSION=$($PYBIN -c 'import sys; print(".".join(map(str, sys.version_info[:3])))')
-
-VENV_DIR="./venv"
-
-if [[ $is_in_virtual_env == "false" ]]; then
-  if ! [ -d "$VENV_DIR" ]; then
-    echo "Installing..."
-    echo -e "\e[33mInstalling a virtualenv to $VENV_DIR. The setup is long the first time, please wait.\e[0m"
-    virtualenv -p "$PYBIN" "$VENV_DIR"
-  else
-    echo -e "\e[33mReusing virtualenv from $VENV_DIR.\e[0m"
-  fi
-  source "${VENV_DIR}/bin/activate"
-fi
-
-# We only exit the virtualenv if we created one.
-function cleanup {
-  if [[ $is_in_virtual_env == "true" ]]; then
-    echo "Exiting virtualenv"
-    deactivate
-  fi
-}
-trap cleanup EXIT
-
-echo -e "\e[33mInstalling the requirements (use --noinstall to skip).\e[0m"
-pip3 install --upgrade -r $(python3 -c 'import sys; print("./pybind11_abseil/requirements/requirements_lock_%d_%d.txt" % (sys.version_info[:2]))')
-
-echo "Building and testing in $PWD using 'python' (version $PYVERSION)."
-
-PYTHON_BIN_PATH="$(which python3)"
-export PYTHON_BIN_PATH
-PYTHON_LIB_PATH=$(python3 -c "import sysconfig; print(sysconfig.get_path('include'))")
-export PYTHON_LIB_PATH
-echo "Using PYTHON_BIN_PATH: $PYTHON_BIN_PATH"
-echo "Using PYTHON_LIB_PATH: $PYTHON_LIB_PATH"
-
-if [ -e tmp_build ]; then
-  rm -r tmp_build
-fi
-
-mkdir tmp_build
-cd tmp_build
-
-# C++17
-cmake ../ -DCMAKE_CXX_STANDARD=17 -DCMAKE_VERBOSE_MAKEFILE=ON
-make "$@"
-ctest --output-on-failure --extra-verbose
-
-rm -r ./*
-
-# C++20
-cmake ../ -DCMAKE_CXX_STANDARD=20 -DCMAKE_VERBOSE_MAKEFILE=ON
-make "$@"
-ctest --output-on-failure --extra-verbose
-
-cd ../
-rm -r tmp_build