diff --git a/.github/workflows/hw_mode_test.yml b/.github/workflows/hw_mode_test.yml
index 8b7cde6a..78e0bfbe 100644
--- a/.github/workflows/hw_mode_test.yml
+++ b/.github/workflows/hw_mode_test.yml
@@ -650,41 +650,41 @@ jobs:
       run: docker stop $gvisor_test
 
 
-  Test_rpm_deploy:
-    if: github.event_name == 'push'
-    runs-on: ${{ matrix.self_runner }}
-    strategy:
-      matrix:
-        self_runner: [[self-hosted, SGX1-HW], [self-hosted, SGX2-HW]]
+  # Test_rpm_deploy:
+  #   if: github.event_name == 'push'
+  #   runs-on: ${{ matrix.self_runner }}
+  #   strategy:
+  #     matrix:
+  #       self_runner: [[self-hosted, SGX1-HW], [self-hosted, SGX2-HW]]
 
-    steps:
-    - name: Clean before running
-      run: |
-        sudo chown -R ${{ secrets.CI_ADMIN }} "${{ github.workspace }}"
+  #   steps:
+  #   - name: Clean before running
+  #     run: |
+  #       sudo chown -R ${{ secrets.CI_ADMIN }} "${{ github.workspace }}"
 
-    - name: Checkout code
-      if: github.event_name == 'push'
-      uses: actions/checkout@v2
-      with:
-        submodules: false
+  #   - name: Checkout code
+  #     if: github.event_name == 'push'
+  #     uses: actions/checkout@v2
+  #     with:
+  #       submodules: false
 
-    - name: Test deployment
-      run: |
-        cd demos/deployment
-        if [[ "${{ matrix.self_runner[1] }}" == "SGX1-HW" ]]; then
-          ./deploy_image_test.sh centos8.2
-        elif [[ "${{ matrix.self_runner[1] }}" == "SGX2-HW" ]]; then
-          DEVICE_OPTION="-v /dev/sgx:/dev/sgx" ./deploy_image_test.sh centos8.2
-        else
-          echo "Unsupported Hardware"
-          exit 1
-        fi;
+  #   - name: Test deployment
+  #     run: |
+  #       cd demos/deployment
+  #       if [[ "${{ matrix.self_runner[1] }}" == "SGX1-HW" ]]; then
+  #         ./deploy_image_test.sh centos8.2
+  #       elif [[ "${{ matrix.self_runner[1] }}" == "SGX2-HW" ]]; then
+  #         DEVICE_OPTION="-v /dev/sgx:/dev/sgx" ./deploy_image_test.sh centos8.2
+  #       else
+  #         echo "Unsupported Hardware"
+  #         exit 1
+  #       fi;
 
-    - name: Clean the environment
-      if: ${{ always() }}
-      run: |
-        docker stop centos8.2_deploy_test
-        docker rm -f centos8.2_deploy_test
+  #   - name: Clean the environment
+  #     if: ${{ always() }}
+  #     run: |
+  #       docker stop centos8.2_deploy_test
+  #       docker rm -f centos8.2_deploy_test
 
 
   Test_deb_deploy:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6d98960b..112123e8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -39,34 +39,34 @@ jobs:
       if: ${{ failure() }}
       run: docker exec ${{ github.job }} bash -c "cat /root/occlum/build/test/.fail"
 
-  Make_test_on_centos:
-    runs-on: ubuntu-18.04
+  # Make_test_on_centos:
+  #   runs-on: ubuntu-18.04
 
-    steps:
-    - uses: actions/checkout@v1
-      with:
-        submodules: true
+  #   steps:
+  #   - uses: actions/checkout@v1
+  #     with:
+  #       submodules: true
 
-    - uses: ./.github/workflows/composite_action/sim
-      with:
-        container-name: ${{ github.job }}
-        build-envs: 'OCCLUM_RELEASE_BUILD=1'
-        os: 'centos8.2'
+  #   - uses: ./.github/workflows/composite_action/sim
+  #     with:
+  #       container-name: ${{ github.job }}
+  #       build-envs: 'OCCLUM_RELEASE_BUILD=1'
+  #       os: 'centos8.2'
 
-    - name: Check format
-      run:  docker exec ${{ github.job }} bash -c 'cd /root/occlum; info=$(make format-check);
-        if [[ -n $info ]]; then
-          echo "Format error detected.";
-          echo "$info";
-          exit 1;
-        fi'
+  #   - name: Check format
+  #     run:  docker exec ${{ github.job }} bash -c 'cd /root/occlum; info=$(make format-check);
+  #       if [[ -n $info ]]; then
+  #         echo "Format error detected.";
+  #         echo "$info";
+  #         exit 1;
+  #       fi'
 
-    - name: Integration test
-      run:  docker exec ${{ github.job }} bash -c "cd /root/occlum; OCCLUM_LOG_LEVEL=trace SGX_MODE=SIM make test"
+  #   - name: Integration test
+  #     run:  docker exec ${{ github.job }} bash -c "cd /root/occlum; OCCLUM_LOG_LEVEL=trace SGX_MODE=SIM make test"
 
-    - name: Integration test with Glibc
-      run:  docker exec ${{ github.job }} bash -c "cd /root/occlum; OCCLUM_LOG_LEVEL=trace SGX_MODE=SIM make test-glibc"
+  #   - name: Integration test with Glibc
+  #     run:  docker exec ${{ github.job }} bash -c "cd /root/occlum; OCCLUM_LOG_LEVEL=trace SGX_MODE=SIM make test-glibc"
 
-    - name: Show failed cases
-      if: ${{ failure() }}
-      run: docker exec ${{ github.job }} bash -c "cat /root/occlum/build/test/.fail"
+  #   - name: Show failed cases
+  #     if: ${{ failure() }}
+  #     run: docker exec ${{ github.job }} bash -c "cat /root/occlum/build/test/.fail"