diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index c0b06d36b..950a7597a 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -18,7 +18,6 @@ jobs:
        uses: actions/checkout@v3
        with:
         lfs: 'true'
-        ref: ${{ github.event.pull_request.head.sha }} # we want to test against our branch not against a merge commit
      - name: Setup Python environment
        uses: actions/setup-python@v4
        with: