diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 89563e2a..7f8ad77c 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -14,7 +14,7 @@ jobs:
   test:
     strategy:
       matrix:
-        os: [macos-latest, macos-12, macos-13, ubuntu-latest]
+        os: [macos-latest, ubuntu-latest]
         llvm: [17]
     runs-on: ${{ matrix.os }}
     steps:
@@ -63,6 +63,7 @@ jobs:
         run: go install ./...
       
       - name: LLGO tests
+        if: matrix.os != 'ubuntu-latest'
         run: |
           echo "Test result on ${{ matrix.os }} with LLVM ${{ matrix.llvm }}" > result.md
           LLGOROOT=$PWD bash .github/workflows/test_llgo.sh