diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a7f000c0..37819ac6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -245,9 +245,6 @@ jobs:
       - name: Make OpenSSL
         if: matrix.goal == 'build' && steps.cache-python-ssl.outputs.cache-hit != 'true'
         run: |
-          if [[ "${RUNNER_OS}" == "Windows" ]]; then
-            export CL="/MP"
-          fi
           for openssl_arch in $openssl_archs; do
             cd "${GITHUB_WORKSPACE}/src/openssl-${openssl_arch}"
             $MAKE "${MAKEOPT}"