diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 6a36e654..00000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,123 +0,0 @@
-name: CI
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build-gcc-linux:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-18.04, ubuntu-20.04]
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Build and run
-      run: |
-        cmake -DBUILD_TESTS=ON ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-gcc-linux-no-stl:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-18.04, ubuntu-20.04]
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Build and run
-      run: |
-        cmake -DBUILD_TESTS=ON -DNO_STL=ON ./
-        gcc --version
-        make
-    
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-clang-9-linux:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-18.04]
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Build and run
-      run: |
-        export CC=clang-9
-        export CXX=clang++-9
-        cmake -D BUILD_TESTS=ON ./
-        clang --version
-        make
-
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-clang-9-linux-no-stl:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-18.04]
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Build and run
-      run: |
-        export CC=clang-9
-        export CXX=clang++-9
-        cmake -D BUILD_TESTS=ON -DNO_STL=ON ./
-        clang --version
-        make
-
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-clang-10-osx:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [macos-10.15]
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Build and run
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -D BUILD_TESTS=ON ./
-        clang --version
-        make
-
-    - name: Run tests
-      run: ./test/etl_tests
-
-  build-clang-10-osx-no-stl:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [macos-10.15]
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Build and run
-      run: |
-        export CC=clang
-        export CXX=clang++
-        cmake -D BUILD_TESTS=ON -DNO_STL=ON ./
-        clang --version
-        make
-
-    - name: Run tests
-      run: ./test/etl_tests