diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5b6197c3..a56fcd03 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -138,6 +138,7 @@ jobs:
       run: git add . && git diff --quiet && git diff --cached --quiet
 
     - uses: actions/upload-artifact@v4
+      if: ${{ matrix.os }} != "windows-2025" && ${{ matrix.os }} != "macos-15"
       with:
         name: "timings_${{ runner.os }}"
         path: |