diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 012186e0b4a..400e725e5f2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -170,8 +170,6 @@ jobs:
 
   build_std:
     runs-on: ubuntu-latest
-    env:
-      CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse
     steps:
     - uses: actions/checkout@v3
     - run: rustup update nightly && rustup default nightly