diff --git a/.github/workflows/testing_dev.yml b/.github/workflows/testing_dev.yml
index b15de3a9c..e041c9fa9 100644
--- a/.github/workflows/testing_dev.yml
+++ b/.github/workflows/testing_dev.yml
@@ -19,7 +19,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, macos-13] #, windows-latest]
+#        os: [ubuntu-latest, macos-latest, macos-13] #, windows-latest]
+        os : []
         include:
           - os: ubuntu-latest
             label: environments/environment-Linux.yml