diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 7e28d23..d2b6f22 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -5,12 +5,13 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-          - windows-latest
+          # - windows-latest
           - macos-latest
         lisp:
-          # windows-latest, sbcl: Tests isn't actually, but everything is green
+          # windows-latest, sbcl-bin: Tests isn't actually, but everything is green
           # ref https://github.com/simendsjo/sijo-version/actions/runs/8207665322/job/22449443638
           # sbcl-bin
+          # windows-latest, ccl-bin: ccl-bin/system does not exist.stop.
           - ccl-bin
           # - ecl
           # - abcl-bin