diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
deleted file mode 100644
index ed8be0b..0000000
--- a/.github/workflows/master.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: Development
-
-on:
-  push:
-
-jobs:
-  tests:
-    name: Tests
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        ruby_version:
-          - 2.7.7
-          - 3.0.5
-          - 3.1.3
-        ar:
-          - "~> 6.0.0"
-          - "~> 6.1.0"
-    env:
-      NOKOGIRI_USE_SYSTEM_LIBRARIES: 1
-      AR: ${{ matrix.ar }}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: ${{ matrix.ruby_version }}
-          bundler-cache: true
-      - run: bundle exec rake spec