diff --git a/.github/workflows/macosx.yml b/.github/workflows/macosx.yml
deleted file mode 100644
index d8072f3..0000000
--- a/.github/workflows/macosx.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: MacOS CI
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-
-jobs:
-  build:
-    runs-on: macos-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: make
-      run: |
-        brew install boost htslib
-        make