diff --git a/.github/workflows/macos_oneshot_build.yml b/.github/workflows/macos_oneshot_build.yml
deleted file mode 100644
index 4c4d6d0..0000000
--- a/.github/workflows/macos_oneshot_build.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-# One-shot build for sanity checking the MacOS runtime.
-name: MacOS Runtime OneShot Sanity
-
-on:
-  workflow_dispatch:
-
-jobs:
-  build_core:
-    name: "MacOS Runtime OneShot"
-    runs-on: macos-latest
-
-    env:
-      CIBW_BUILD_VERBOSITY: 1
-      CIBW_ENVIRONMENT_MACOS: "REPO_DIR=${{ github.workspace }}/main_checkout"
-      CIBW_BUILD: "cp36-* cp37-* cp38-* cp39-*"
-      CIBW_SKIP: "*-win32 *-manylinux_i686"
-
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          path: 'main_checkout'
-          submodules: true
-
-      - uses: actions/setup-python@v2
-        name: Install Python
-        with:
-          python-version: '3.8'
-
-      - name: Install cibuildwheel
-        shell: bash
-        run: |
-          python -m pip install cibuildwheel==1.7.2
-
-      # Runtime wheels are version specific, so we build one for each python
-      # version. We do this serially by deleting the CMakeCache and install
-      # directory between runs. Most of the build will be incremental.
-      # We save a little bit of time by disabling the compiler build.
-      - name: Build runtime wheels
-        shell: bash
-        run: |
-          # TODO: Find a cross-platform way to invoke install/strip (it does
-          # not exist on Windows).
-          package_dir="./iree-install/python_packages/iree_runtime"
-          export CIBW_BEFORE_BUILD="rm -f ./iree-build/CMakeCache.txt && \
-            rm -Rf ./iree-install && \
-            python ./main_checkout/build_tools/cmake/cmake_ci.py \
-              -B./iree-build -DCMAKE_INSTALL_PREFIX=./iree-install \
-              -DCMAKE_BUILD_TYPE=Release \
-              -DIREE_BUILD_COMPILER=OFF \
-              -DIREE_BUILD_PYTHON_BINDINGS=ON \
-              -DIREE_BUILD_SAMPLES=OFF && \
-            python ./main_checkout/build_tools/cmake/cmake_ci.py \
-              --build ./iree-build --target install"
-          # TODO: cibuildwheel sanity checks this, but our setup.py is the
-          # *output* of the build :( File a bug.
-          mkdir -p $package_dir && touch $package_dir/setup.py
-          python -m cibuildwheel --output-dir wheelhouse $package_dir
-
-      - uses: actions/upload-artifact@v2
-        with:
-          path: ./wheelhouse/*.whl
-          retention-days: 1