diff --git a/.github/workflows/build-reusable.yml b/.github/workflows/build-reusable.yml
index ccbb019..f68662f 100644
--- a/.github/workflows/build-reusable.yml
+++ b/.github/workflows/build-reusable.yml
@@ -71,14 +71,14 @@ jobs:
           - os: macos-15
             python: '3.13'
           # Intel Mac builds (x86_64) - replaces deprecated macos-13
+          # Note: Python 3.13 excluded - PyTorch has no wheels for macOS x86_64 + Python 3.13
+          # (PyTorch <=2.4.1 lacks cp313, PyTorch >=2.5.0 dropped Intel Mac support)
           - os: macos-15-intel
             python: '3.10'
           - os: macos-15-intel
             python: '3.11'
           - os: macos-15-intel
             python: '3.12'
-          - os: macos-15-intel
-            python: '3.13'
           # macOS 26 (beta) - arm64
           - os: macos-26
             python: '3.10'