diff --git a/.github/workflows/unittests_codecov.yml b/.github/workflows/unittests_codecov.yml
index f6b925fd3..03622d89d 100644
--- a/.github/workflows/unittests_codecov.yml
+++ b/.github/workflows/unittests_codecov.yml
@@ -16,7 +16,7 @@ jobs:
       USING_COVERAGE: '3.10'
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest]
         python-version: ["3.10"]
     steps:
     - uses: actions/checkout@master