diff --git a/.github/workflows/nodejs-current-lts-linux.yml b/.github/workflows/nodejs-current-lts-linux.yml
deleted file mode 100644
index 1fa9f75..0000000
--- a/.github/workflows/nodejs-current-lts-linux.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: Node.js Current LTS Linux CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-jobs:
-  build:
-    runs-on: ubuntu-20.04
-
-    strategy:
-      matrix:
-        node-version: [14.x]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm ci
-
-    - run: npm run lint
-    - run: npm run makeCodeCoverageSummaryReport
-    - run: npm run makeCodeCoverageDetailReport
-
-    - name: Coveralls GitHub Action
-      uses: coverallsapp/github-action@v1.1.2
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/nodejs-current-lts-mac-win.yml b/.github/workflows/nodejs-current-lts-mac-win.yml
deleted file mode 100644
index 4165f8a..0000000
--- a/.github/workflows/nodejs-current-lts-mac-win.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: Node.js Current LTS macOS and Windows CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-jobs:
-  build:
-    runs-on: ubuntu-20.04
-
-    strategy:
-      matrix:
-        os: [macos-latest, windows-latest]
-        node-version: [14.x]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Node ${{ matrix.node-version }} on ${{ matrix.os }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm ci
-    - run: npm test
diff --git a/.github/workflows/nodejs-legacy.yml b/.github/workflows/nodejs-legacy.yml
deleted file mode 100644
index f789fd7..0000000
--- a/.github/workflows/nodejs-legacy.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Node.js Legacy CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-jobs:
-  build:
-    runs-on: ubuntu-20.04
-
-    strategy:
-      matrix:
-        node-version: [4.x, 6.x, 8.x]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm install
-    - run: npm test
diff --git a/.github/workflows/nodejs-main.yml b/.github/workflows/nodejs-main.yml
deleted file mode 100644
index 50f1de9..0000000
--- a/.github/workflows/nodejs-main.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Node.js Main CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-jobs:
-  build:
-    runs-on: ubuntu-20.04
-
-    strategy:
-      matrix:
-        node-version: [10.x, 12.x, 14.x, 16.x]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm ci
-    - run: npm test