diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b873f235..0b418963b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -93,12 +93,12 @@ jobs:
       run: |
         echo "BUILD_TYPE=Release" >> $GITHUB_ENV
         echo "CODE_COVERAGE=0" >> $GITHUB_ENV
-        os="${{ matrix.os }}"
-        if [[ "${os}" == "macos*" ]]; then
-          echo "ncpus=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
-        else
-          echo "ncpus=$(nproc --all)" >> $GITHUB_ENV
-        fi
+        # os="${{ matrix.os }}"
+        # if [[ "${os}" == "macos*" ]]; then
+        #   echo "ncpus=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
+        # else
+        #   echo "ncpus=$(nproc --all)" >> $GITHUB_ENV
+        # fi
 
     - name: Setup compiler on Linux
       if: runner.os == 'Linux'
@@ -170,6 +170,7 @@ jobs:
     - name: Build LLVM/Cling on Unix if the cache is invalid
       if: ${{ runner.os != 'windows' && steps.cache.outputs.cache-hit != 'true' }}
       run: |
+        os="${{ matrix.os }}"
         cling_on=$(echo "${{ matrix.cling }}" | tr '[:lower:]' '[:upper:]')
         if [[ "${cling_on}" == "ON" ]]; then
           git clone --depth=1 https://github.com/root-project/cling.git