diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 310517aea..ecc572a46 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -35,10 +35,6 @@ jobs:
           python-version: '3.10'
           label: linux-64-py-3-10
 
-        - operating-system: ubuntu-latest
-          python-version: 3.9
-          label: linux-64-py-3-9
-
     steps:
     - uses: actions/checkout@v4
     - name: Setup Mambaforge