diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
deleted file mode 100644
index 5b26f87..0000000
--- a/.github/workflows/build.yml
+++ /dev/null
@@ -1,110 +0,0 @@
-name: Build
-'on':
-  - push
-jobs:
-  ubuntu-20-04-build-gcc:
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout repository code
-        uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
-      - name: update apt
-        run: sudo apt update
-      - name: install dependencies
-        run: sudo apt install -y cmake gcc g++
-      - name: cmake
-        run: mkdir build && cd build && cmake ..
-      - name: make
-        run: cd build && make
-      - name: tests
-        run: cd build && ctest --output-on-failure
-  ubuntu-latest-build-gcc:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository code
-        uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
-      - name: update apt
-        run: sudo apt update
-      - name: install dependencies
-        run: sudo apt install -y cmake gcc g++
-      - name: cmake
-        run: mkdir build && cd build && cmake ..
-      - name: make
-        run: cd build && make
-      - name: tests
-        run: cd build && ctest --output-on-failure
-  ubuntu-20-04-build-clang:
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout repository code
-        uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
-      - name: update apt
-        run: sudo apt update
-      - name: install dependencies
-        run: sudo apt install -y cmake clang
-      - name: cmake
-        run: mkdir build && cd build && cmake ..
-        shell: bash
-        env:
-          CC: clang
-          CXX: clang++
-      - name: make
-        run: cd build && make
-      - name: tests
-        run: cd build && ctest --output-on-failure
-  ubuntu-latest-build-clang:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository code
-        uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
-      - name: update apt
-        run: sudo apt update
-      - name: install dependencies
-        run: sudo apt install -y cmake clang
-      - name: cmake
-        run: mkdir build && cd build && cmake ..
-        shell: bash
-        env:
-          CC: clang
-          CXX: clang++
-      - name: make
-        run: cd build && make
-      - name: tests
-        run: cd build && ctest --output-on-failure
-  macos-latest-build:
-    runs-on: macOS-latest
-    steps:
-      - name: Checkout repository code
-        uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
-      - name: install dependencies
-        run: brew install cmake
-      - name: cmake
-        run: mkdir build && cd build && cmake ..
-      - name: make
-        run: cd build && make
-      - name: tests
-        run: cd build && ctest --output-on-failure
-  macos-12-build:
-    runs-on: macOS-12
-    steps:
-      - name: Checkout repository code
-        uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
-      - name: install dependencies
-        run: brew install cmake
-      - name: cmake
-        run: mkdir build && cd build && cmake ..
-      - name: make
-        run: cd build && make
-      - name: tests
-        run: cd build && ctest --output-on-failure
diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
deleted file mode 100644
index c2fcdac..0000000
--- a/.github/workflows/container.yml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: "Container image build"
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-
-jobs:
-
-  image:
-    env:
-      REGISTRY: ghcr.io
-      IMAGE_NAME: ${{ github.repository }}
-
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Log in to the Container registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=raw,value={{date 'YYYY-MM-DDTHH-mm'}}
-            type=raw,value=latest
-
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          push: ${{ github.ref == 'refs/heads/master' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}