diff --git a/.github/workflows/pytest-workflow.yml b/.github/workflows/pytest-workflow.yml
index 40ec97ae..84cc8eb1 100644
--- a/.github/workflows/pytest-workflow.yml
+++ b/.github/workflows/pytest-workflow.yml
@@ -81,7 +81,7 @@ jobs:
       # Test the module
       - name: Run pytest-workflow
         # only use one thread for pytest-workflow to avoid race condition on conda cache. 
-        run: TMPDIR=~ PROFILE=${{ matrix.profile }} pytest --tag ${{ matrix.tags }} --symlink --wt 1 --kwdof
+        run: TMPDIR=~ PROFILE=${{ matrix.profile }} pytest --tag ${{ matrix.tags }} --symlink --kwdof
 
       - name: Upload logs on failure
         if: failure()