diff --git a/.github/workflows/linux-ci.yml b/.github/workflows/linux-ci.yml
index 24c70718..4e5aa1ed 100644
--- a/.github/workflows/linux-ci.yml
+++ b/.github/workflows/linux-ci.yml
@@ -24,17 +24,14 @@ jobs:
         download_requirements: [sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnauty2-dev]
         include:
           - os: macos-13
-            arch: auto
             build_static: false
             flags: CC=clang OSX=13
             download_requirements: brew install metis bash
           - os: macos-13
-            arch: auto
             build_static: false
             flags: CC=gcc-13 CXX=g++-13 OSX=13
             download_requirements: brew install metis bash
           - os: macos-13
-            arch: arm64
             build_static: false
             flags: CC=clang OSX=13
             download_requirements: brew install metis bash