diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
deleted file mode 100644
index 5d7c6c1..0000000
--- a/.github/workflows/build-test.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: build-test
-
-on:
-  pull_request:
-    paths-ignore:
-      - '**.md'    
-  push:    
-    branches:
-      - master
-      - releases/*
-    paths-ignore:
-      - '**.md'
-      
-jobs:
-  build:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-latest]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup node 12
-        uses: actions/setup-node@v1
-        with:
-          node-version: 12.x
-      - run: npm ci
-      - run: npm run build
-      - run: npm run format-check
-      - run: npm test
-      - name: Verify no unstaged changes
-        if: runner.os != 'windows'
-        run: __tests__/verify-no-unstaged-changes.sh
diff --git a/.github/workflows/proxy.yml b/.github/workflows/proxy.yml
deleted file mode 100644
index 6eaa157..0000000
--- a/.github/workflows/proxy.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-name: proxy
-
-on:
-  pull_request:
-    paths-ignore:
-      - '**.md'    
-  push:    
-    branches:
-      - master
-      - releases/*
-    paths-ignore:
-      - '**.md'
-      
-jobs:
-  test-proxy:
-    runs-on: ubuntu-latest
-    strategy:    
-      fail-fast: false    
-    container:
-      image: ubuntu:latest
-      options: --dns 127.0.0.1
-    services:
-      squid-proxy:
-        image: datadog/squid:latest
-        ports:
-          - 3128:3128
-    env:
-      https_proxy: http://squid-proxy:3128
-    steps:
-      - uses: actions/checkout@v2
-      - name: Clear tool cache
-        run: rm -rf $RUNNER_TOOL_CACHE/*
-      - name: Setup node 10
-        uses: ./
-        with:
-          node-version: 10.x
-      - name: Verify node and npm
-        run: __tests__/verify-node.sh 10
-
-  test-bypass-proxy:
-    runs-on: ubuntu-latest
-    strategy:    
-      fail-fast: false
-    env:
-      https_proxy: http://no-such-proxy:3128
-      no_proxy: api.github.com,github.com,nodejs.org,registry.npmjs.org,*.s3.amazonaws.com,s3.amazonaws.com
-    steps:
-      - uses: actions/checkout@v2
-      - name: Clear tool cache
-        run: rm -rf $RUNNER_TOOL_CACHE/*
-      - name: Setup node 11
-        uses: ./
-        with:
-          node-version: 11
-      - name: Verify node and npm
-        run: __tests__/verify-node.sh 11
diff --git a/.github/workflows/versions.yml b/.github/workflows/versions.yml
deleted file mode 100644
index 38017ef..0000000
--- a/.github/workflows/versions.yml
+++ /dev/null
@@ -1,99 +0,0 @@
-name: versions
-
-on:
-  pull_request:
-    paths-ignore:
-      - '**.md'    
-  push:    
-    branches:
-      - master
-      - releases/*
-    paths-ignore:
-      - '**.md'
-      
-jobs:
-  local-cache:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [10, 12, 14]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Node
-        uses: ./
-        with:
-          node-version: ${{ matrix.node-version }}
-      - name: Verify node and npm
-        run: __tests__/verify-node.sh "${{ matrix.node-version }}"
-        shell: bash
-
-  manifest:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [10.15, 12.16.0, 14.2.0]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Node
-        uses: ./
-        with:
-          node-version: ${{ matrix.node-version }}
-      - name: Verify node and npm
-        run: __tests__/verify-node.sh "${{ matrix.node-version }}"
-        shell: bash
-
-  check-latest:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [10, 11, 12, 14]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Node and check latest
-        uses: ./
-        with:
-          node-version: ${{ matrix.node-version }}
-          check-latest: true
-      - name: Verify node and npm
-        run: __tests__/verify-node.sh "${{ matrix.node-version }}"
-        shell: bash
-
-  node-dist:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [11, 13]
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Node from dist
-        uses: ./
-        with:
-          node-version: ${{ matrix.node-version }}
-      - name: Verify node and npm
-        run: __tests__/verify-node.sh "${{ matrix.node-version }}"
-        shell: bash
-
-  old-versions:
-    runs-on: ${{ matrix.operating-system }}
-    strategy:
-      fail-fast: false
-      matrix:
-        operating-system: [ubuntu-latest, windows-latest, macos-latest]
-    steps:
-      - uses: actions/checkout@v2
-      # test old versions which didn't have npm and layout different
-      - name: Setup node 0.12.18 from dist
-        uses: ./
-        with:
-          node-version: 0.12.18
-      - name: Verify node
-        run: __tests__/verify-node.sh 0.12.18 SKIP_NPM
-        shell: bash
\ No newline at end of file