diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ef6be71..b19a6c3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,72 +10,6 @@ on:
       - 'master'
   workflow_dispatch:
 jobs:
-  ubuntu-focal:
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v2
-      # Prepare testing environment
-      - name: Prepare testing environment
-        run: |
-          cp .env.dist .env
-          sed -i "s/FIX_BROKEN_INSTALL=false/FIX_BROKEN_INSTALL=true/g" .env
-          sed -i "s/ENVIRONMENT=\"production\"/ENVIRONMENT=\"development\"/g" .env
-          sed -i "s/SERVER_HOSTNAME=\"\"/SERVER_HOSTNAME=\"gh-ci.lemper.cloud\"/g" .env
-          sed -i "s/SERVER_IP=\"\"/SERVER_IP=\"127.0.0.1\"/g" .env
-          sed -i "s/AUTO_INSTALL=false/AUTO_INSTALL=true/g" .env
-          sed -i "s/FORCE_INSTALL=false/FORCE_INSTALL=true/g" .env
-          sed -i "s/AUTO_REMOVE=false/AUTO_REMOVE=true/g" .env
-          sed -i "s/FORCE_REMOVE=false/FORCE_REMOVE=true/g" .env
-          sed -i "s/LEMPER_ADMIN_EMAIL=\"mail@example.com\"/LEMPER_ADMIN_EMAIL=\"me@masedi.net\"/g" .env
-          sed -i "s/NGINX_INSTALLER=\"source\"/NGINX_INSTALLER=\"repo\"/g" .env
-          sed -i "s/NGX_PAGESPEED=true/NGX_PAGESPEED=false/g" .env
-          sed -i "s/INSTALL_PHP_LOADER=false/INSTALL_PHP_LOADER=true/g" .env
-          sed -i "s/PHP_LOADER=\"none\"/PHP_LOADER=\"ioncube\"/g" .env
-          sed -i "s/IMAGEMAGICK_INSTALLER=\"source\"/IMAGEMAGICK_INSTALLER=\"repo\"/g" .env
-          sed -i "s/INSTALL_POSTGRES=false/INSTALL_POSTGRES=true/g" .env
-          sed -i "s/INSTALL_MEMCACHED=false/INSTALL_MEMCACHED=true/g" .env
-          sed -i "s/INSTALL_MONGODB=false/INSTALL_MONGODB=true/g" .env
-          sed -i "s/INSTALL_REDIS=false/INSTALL_REDIS=true/g" .env
-          sed -i "s/INSTALL_MAILER=true/INSTALL_MAILER=false/g" .env
-          sed -i "s/INSTALL_SPFDKIM=true/INSTALL_SPFDKIM=false/g" .env
-          sed -i "s/SENDER_DOMAIN=\"example.com\"/SENDER_DOMAIN=\"lemper.test\"/g" .env
-          sed -i "s/INSTALL_FAIL2BAN=false/INSTALL_FAIL2BAN=true/g" .env
-      # Install Dependencies
-      - name: Install testing dependencies
-        run: |
-          set -ex
-          sudo apt-get update -q -y
-          sudo apt-get install -q -y bash curl
-          sudo curl -sSL -o /usr/local/bin/shunit2 https://raw.githubusercontent.com/kward/shunit2/master/shunit2
-          sudo chmod +x /usr/local/bin/shunit2
-          sudo curl -sSLO https://github.com/koalaman/shellcheck/releases/download/v0.10.0/shellcheck-v0.10.0.linux.x86_64.tar.xz
-          sudo tar -xf shellcheck-v0.10.0.linux.x86_64.tar.xz
-          sudo mv shellcheck-v0.10.0/shellcheck /usr/local/bin/
-          sudo chmod +x /usr/local/bin/shellcheck
-      # Shellcheck Tests
-      - name: Run shellcheck testing
-        env:
-          TERM: xterm-256color
-        run: |
-          set -ex
-          shellcheck -s bash -x lemper.sh
-          shellcheck -s bash -x install.sh
-          shellcheck -s bash -x remove.sh
-          shellcheck -s bash -x bin/lemper-*.sh
-          shellcheck -s bash -x lib/lemper-*.sh
-          shellcheck -s bash -x scripts/utils.sh
-          shellcheck -s bash -x scripts/server_*.sh
-          shellcheck -s bash -x scripts/install_*.sh
-          shellcheck -s bash -x scripts/remove_*.sh
-      # Simple Unit Tests
-      - name: Run unit testing
-        env:
-          TERM: xterm-256color
-        run: |
-          set -ex
-          sudo bash scripts/server_cleanup.sh
-          sudo bash scripts/install_dependencies.sh
-          sudo bash shunit2/run_test.sh
   ubuntu-latest:
     runs-on: ubuntu-latest
     steps: