diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f0c4fdf2316..f16327f7242 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -120,7 +120,6 @@ jobs:
   monaco:
     runs-on: ubuntu-latest
     env:
-      CHILD_CONCURRENCY: "1"
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2