diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index 2f078ae69..beb98e60e 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -148,7 +148,7 @@ jobs:
       CC: clang
     strategy:
       matrix:
-        os: [ubuntu-20.04, macos-13]
+        os: [ubuntu-20.04]
       fail-fast: false
     steps:
       - name: Checkout Yosys