diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index ef3f18f..74649e1 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -40,15 +40,12 @@ jobs:
         include:
         - target: x86_64-pc-windows-gnu
           runs-on: windows-latest
-          simd-def: RAPIDJSON_SSE42
         # - target: x86_64-unknown-linux-musl
         #   runs-on: ubuntu-latest
         - target: x86_64-unknown-linux-gnu
           runs-on: ubuntu-latest
-          simd-def: RAPIDJSON_SSE42
         - target: arm64e-apple-darwin
           runs-on: macos-latest
-          simd-def: RAPIDJSON_NEON
 
     runs-on: ${{ matrix.runs-on }}
     steps:
@@ -59,8 +56,6 @@ jobs:
     - run: rustup default nightly
     - name: compile
       run: cargo build --release
-      env:
-        ${{ matrix.simd-def }}: true
 
     - name: upload bin to release
       if: ${{ runner.os != 'Windows' }}