diff --git a/.github/actions/do_build_ock/action.yml b/.github/actions/do_build_ock/action.yml
index 4170b0d5b..41919222d 100644
--- a/.github/actions/do_build_ock/action.yml
+++ b/.github/actions/do_build_ock/action.yml
@@ -82,9 +82,7 @@ runs:
       shell: bash
       run:
         cmake -GNinja
-              -B${{ inputs.build_dir }}
-              -DCMAKE_C_COMPILER_LAUNCHER=sccache
-              -DCMAKE_CXX_COMPILER_LAUNCHER=sccache                
+              -B${{ inputs.build_dir }}         
               -DCA_MUX_TARGETS_TO_ENABLE=${{ inputs.mux_targets_enable }}
               -DCA_ENABLE_API=${{ inputs.enable_api }}
               -DCA_LLVM_INSTALL_DIR=${{ inputs.llvm_install_dir }}
@@ -110,6 +108,12 @@ runs:
               -DCMAKE_INSTALL_PREFIX=${{ inputs.install_dir }}
                ${{ inputs.extra_flags }}
               .      
+
+# Removed for aarch64
+#              -DCMAKE_C_COMPILER_LAUNCHER=sccache
+#              -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
+
+
     - name: build_ock
       shell: bash
       run:
diff --git a/.github/actions/setup_ubuntu_build/action.yml b/.github/actions/setup_ubuntu_build/action.yml
index eebbdaa67..cfbb51950 100644
--- a/.github/actions/setup_ubuntu_build/action.yml
+++ b/.github/actions/setup_ubuntu_build/action.yml
@@ -39,11 +39,12 @@ runs:
         fail-on-cache-miss: true
 
       # note the PR testing usage should set 'save' to false, to avoid PR testing creating new caches on a branch
-    - name: Setup sccache
-      uses: hendrikmuhs/ccache-action@v1.2
-      with:
-        max-size: 200M
-        key: sccache-build
-        variant: sccache
-        save: ${{ inputs.save }}
+    # - name: Setup sccache
+    #   if: ${{ inputs.arch}} == 'x86_64'
+    #   uses: hendrikmuhs/ccache-action@v1.2
+    #   with:
+    #     max-size: 200M
+    #     key: sccache-build
+    #     variant: sccache
+    #     save: ${{ inputs.save }}
  
\ No newline at end of file
diff --git a/.github/workflows/build_ock_aarch64.yml b/.github/workflows/build_ock_aarch64.yml
new file mode 100644
index 000000000..112c2ad77
--- /dev/null
+++ b/.github/workflows/build_ock_aarch64.yml
@@ -0,0 +1,54 @@
+# Simple workflow for testing aarch64 ock
+name: Run ock tests for PR testing
+on:
+  # For testing purposes do on a pull request if this file changes
+  pull_request:
+    paths:
+      - '.github/workflows/build_ock_aarch64.yml'
+      - '.github/actions/setup_ubuntu_build/**'
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+
+  # build and run host aarch64, execute UnitCL and lit tests and build and run offline
+  run_host_aarch64:
+    runs-on: cp-graviton
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: add to path
+        run:
+          echo "PATH=$PATH:/home/ubuntu/.local/bin" >> $GITHUB_ENV
+
+      - name: echo PATH
+        run:
+          echo PATH=$PATH
+      # installs tools, ninja, installs llvm and sets up sccahe
+      - name: setup-ubuntu
+        uses:  ./.github/actions/setup_ubuntu_build
+        with:
+          llvm_version: 18
+          llvm_build_type: RelAssert
+          arch: aarch64
+  
+      # These need to match the configurations of build_pr_cache to use the cache effectively
+      - name: build host x86_64 online release
+        uses: ./.github/actions/do_build_ock
+        with:
+          build_type: ReleaseAssert
+
+      - name: run just online lit
+        run:
+          ninja -C build check-ock-all-lit
+
+      - name: run host online check
+        run:
+          ninja -C build check-ock-UnitCL
+
+    
\ No newline at end of file