diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ae09902..1ebc895 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -13,7 +13,7 @@ concurrency:
   cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 jobs:
   test:
-    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }}
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     timeout-minutes: 60
     permissions: # needed to allow julia-actions/cache to proactively delete old caches that it has created
@@ -29,14 +29,11 @@ jobs:
           - ubuntu-latest
           - windows-latest
           - macos-latest
-        arch:
-          - x64
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v3
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1