diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 887626714..7d492d6f1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -138,74 +138,6 @@ jobs:
             build/libqrack-*.sh
             build/benchmarks
 
-  build_mac_13:
-    runs-on: macos-13  # Use a Mac OS runner
-    strategy:
-      matrix:
-        platform:
-          - macosx_13_0_x86_64
-    steps:
-      - name: Checkout Qrack
-        uses: actions/checkout@v4
-
-      - name: Install Homebrew (MacOS)
-        uses: Homebrew/actions/setup-homebrew@master
-
-      - name: Prepare Build Environment (MacOS)
-        run: |
-          brew upgrade
-          brew install cmake opencl-clhpp-headers
-
-      - name: Build Qrack MacOS
-        run: |
-          mkdir build
-          cd build
-          cmake -DQBCAPPOW=12 -DCPP_STD=14 -DENABLE_RDRAND=OFF -DCMAKE_CXX_FLAGS=-isystem\ /usr/local/opt/opencl-clhpp-headers/include ..
-          make qrack_pinvoke benchmarks
-          sudo cpack
-
-      - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: libqrack-${{ matrix.platform }}
-          path: |
-            build/libqrack-*.sh
-            build/benchmarks
-
-  build_mac_12:
-    runs-on: macos-12  # Use a Mac OS runner
-    strategy:
-      matrix:
-        platform:
-          - macosx_12_0_x86_64
-    steps:
-      - name: Checkout Qrack
-        uses: actions/checkout@v4
-
-      - name: Install Homebrew (MacOS)
-        uses: Homebrew/actions/setup-homebrew@master
-
-      - name: Prepare Build Environment (MacOS)
-        run: |
-          brew upgrade rustup
-          brew install cmake opencl-clhpp-headers
-
-      - name: Build Qrack MacOS
-        run: |
-          mkdir build
-          cd build
-          cmake -DQBCAPPOW=12 -DCPP_STD=14 -DENABLE_RDRAND=OFF -DCMAKE_CXX_FLAGS=-isystem\ /usr/local/opt/opencl-clhpp-headers/include ..
-          make qrack_pinvoke benchmarks
-          sudo cpack
-
-      - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: libqrack-${{ matrix.platform }}
-          path: |
-            build/libqrack-*.sh
-            build/benchmarks
-
   build_windows:
     runs-on: windows-latest  # Use a Windows runner
     strategy: