diff --git a/.github/workflows/m1_ci.yml b/.github/workflows/m1_ci.yml
deleted file mode 100644
index 0f53ee25..00000000
--- a/.github/workflows/m1_ci.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: CI
-on:
-  # SECURITY: This must be a push event only, otherwise our M1 mac runner would be compromised by
-  # third-party pull requests which could run arbitrary code. This way, we can restrict it to
-  # collaborators of the repository only.
-  #
-  # Whenever GitHub Actions gets official M1 support, we can use that for PRs and get rid of this
-  # self-hosted runner: https://github.com/actions/virtual-environments/issues/2187
-  push:     
-    paths-ignore:
-      - "doc/**"
-      - "README.md"
-      - "**.md"
-      - "LICENSE**"
-jobs:
-  aarch64-macos:
-    if: ${{ github.repository == 'hexops/mach' }}
-    runs-on: [self-hosted, macOS, ARM64]
-    defaults:
-      run:
-        shell: '/usr/bin/arch -arch arm64e /bin/bash --noprofile --norc -eo pipefail {0}'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: test
-        run: zig build test
-      - name: build
-        run: zig build
-      # TODO: get WASM builds working
-      # - name: build (WASM)
-      #   run: zig build -Dtarget=wasm32-freestanding-none