diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index d96012d..01b47f8 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -34,8 +34,6 @@ jobs:
   build:
     name: build
     runs-on: macOS-latest
-    env:
-        DEVELOPER_DIR: /Applications/Xcode_11.1.app/Contents/Developer
     steps:
       - name: Checkout
         uses: actions/checkout@master