diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 720a4894..00000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,96 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: ubuntu-20.04
-    continue-on-error: ${{ matrix.experimental }}
-
-    strategy:
-      matrix:
-        include:
-          - mediawiki_version: '1.35'
-            semantic_mediawiki_version: 3.2.3
-            mermaid_version: 3.0.1
-            coverage: true
-            experimental: false
-          - mediawiki_version: '1.36'
-            semantic_mediawiki_version: dev-master
-            mermaid_version: dev-master
-            coverage: false
-            experimental: true
-
-    container:
-      image: gesinn/docker-mediawiki:${{ matrix.mediawiki_version }}
-
-    env:
-      EXT_NAME: SemanticResultFormats
-      MW_INSTALL_PATH: /var/www/html
-      MW_DB_PATH: /var/www/data
-      MW_EXT_PATH: /var/www/html/extensions
-
-    steps:
-      - name: Install SemanticMediaWiki
-        run: |
-          COMPOSER=composer.local.json composer require --update-with-dependencies --working-dir ${{ env.MW_INSTALL_PATH }} mediawiki/semantic-media-wiki ${{ matrix.semantic_mediawiki_version }}
-          composer update --working-dir ${{ env.MW_INSTALL_PATH }}
-          echo "wfLoadExtension( 'SemanticMediaWiki' );" >> ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-          echo "enableSemantics( 'localhost' );" >> ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-          tail -n5 ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-          php ${{ env.MW_INSTALL_PATH }}/maintenance/update.php --skip-external-dependencies --quick
-
-      - name: Install Mermaid
-        run: |
-          COMPOSER=composer.local.json composer require --update-with-dependencies --working-dir ${{ env.MW_INSTALL_PATH }} mediawiki/mermaid ${{ matrix.mermaid_version }}
-          composer update --working-dir ${{ env.MW_INSTALL_PATH }}
-          echo "wfLoadExtension( 'Mermaid' );" >> ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-          tail -n5 ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-
-      - name: Checkout Extension
-        uses: actions/checkout@v2
-        with:
-          path: ${{ env.EXT_NAME }}
-
-      # Setting actions/checkout@v2 path to env.MW_EXT_PATH fails with "Repository path '/var/www/html/extensions' is not under ..."
-      # See also open PR https://github.com/actions/checkout/pull/388
-      - name: Move Extension
-        run: |
-          mkdir -p ${{ env.MW_EXT_PATH }}
-          mv ${{ env.EXT_NAME }} ${{ env.MW_EXT_PATH }}
-
-      - name: Install SemanticResultFormats
-        run: |
-          COMPOSER=composer.local.json composer require --no-update --working-dir ${{ env.MW_INSTALL_PATH }} mediawiki/semantic-result-formats @dev
-          COMPOSER=composer.local.json composer config repositories.semantic-result-formats '{"type": "path", "url": "extensions/SemanticResultFormats"}' --working-dir ${{ env.MW_INSTALL_PATH }}
-          composer update --working-dir ${{ env.MW_INSTALL_PATH }}
-          echo "wfLoadExtension( '${{ env.EXT_NAME }}' );" >> ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-          tail -n5 ${{ env.MW_INSTALL_PATH }}/LocalSettings.php
-          php ${{ env.MW_INSTALL_PATH }}/maintenance/update.php --quick
-
-      - name: Run Tests
-        run: >
-          php ${{ env.MW_INSTALL_PATH }}/tests/phpunit/phpunit.php
-          --configuration ${{ env.MW_EXT_PATH }}/${{ env.EXT_NAME }}
-          --testdox
-        if: matrix.coverage == false
-
-      - name: Run Tests With Coverage
-        run: >
-          php ${{ env.MW_INSTALL_PATH }}/tests/phpunit/phpunit.php
-          --configuration ${{ env.MW_EXT_PATH }}/${{ env.EXT_NAME }}
-          --testdox
-          --coverage-clover ${{ env.MW_INSTALL_PATH }}/docs/coverage.xml
-        if: matrix.coverage == true
-
-      - name: Upload code coverage
-        uses: codecov/codecov-action@v2
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          files: ${{ env.MW_INSTALL_PATH }}/docs/coverage.xml
-        if: matrix.coverage == true