diff --git a/.github/workflows/build-x86_64-apple-darwin.yaml b/.github/workflows/build-x86_64-apple-darwin.yaml
index d16b2ee..7478520 100644
--- a/.github/workflows/build-x86_64-apple-darwin.yaml
+++ b/.github/workflows/build-x86_64-apple-darwin.yaml
@@ -38,8 +38,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest]
-        #os: [macos-x86_64-self-hosted]
+        os: [macos-12]
         include:
           - os: macos-latest
             ASSET_PATH: "build/dist/rust-nightly-x86_64-apple-darwin.tar.xz"
diff --git a/.github/workflows/build-x86_64-pc-windows-msvc.yaml b/.github/workflows/build-x86_64-pc-windows-msvc.yaml
index 898f756..ac24b71 100644
--- a/.github/workflows/build-x86_64-pc-windows-msvc.yaml
+++ b/.github/workflows/build-x86_64-pc-windows-msvc.yaml
@@ -59,7 +59,7 @@ jobs:
         working-directory: "R:"
         shell: powershell
         run: |
-          python src/bootstrap/configure.py --experimental-targets=Xtensa --release-channel=nightly --release-description="${{ github.event.inputs.release_version }}" --enable-extended --tools=clippy,cargo,rustfmt,rust-analyzer-proc-macro-srv --dist-compression-formats='xz' --enable-lld
+          python src/bootstrap/configure.py --experimental-targets=Xtensa --release-channel=nightly --release-description="${{ github.event.inputs.release_version }}" --enable-extended --tools=clippy,cargo,rustfmt,rust-analyzer-proc-macro-srv --dist-compression-formats='xz'
       - name: Build with x.py - dist packages
         working-directory: "R:"
         continue-on-error: true