diff --git a/.github/workflows/blank.yml b/.github/workflows/blank.yml
index d3bd62541..cb78ad6c9 100644
--- a/.github/workflows/blank.yml
+++ b/.github/workflows/blank.yml
@@ -12,13 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         os:
-#          - macos-latest
           - ubuntu-latest
-#          - windows-latest
         ocaml-compiler:
-#          - "4.11.1"
-          # - 4.10.x
-          # - 4.11.x
           - 4.13.1
 
     runs-on: ${{ matrix.os }}