diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4718a68..a1b113a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,8 @@
 name: Continuous integration
 on:
   push:
+    branches:
+      - 'main'
   pull_request:
 permissions:
   contents: write
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
deleted file mode 100644
index 1fd82fb..0000000
--- a/.github/workflows/tests.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Continuous Integration
-on: push
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - name: Create .env file
-        run: cat env.example env.development > .env
-      - name: Load .env file
-        uses: xom9ikk/dotenv@ac290ca23a42155a0cba1031d23afa46240116a9 # v2.3.0
-      - name: Set up Ruby 4.0
-        uses: ruby/setup-ruby@3ff19f5e2baf30647122352b96108b1fbe250c64 # v1.299.0
-        with:
-          ruby-version: 4.0
-          bundler-cache: true
-      - name: Run linter for Ruby
-        run: bundle exec standardrb
-      - name: Run tests
-        run: bundle exec rspec