diff --git a/.github/workflows/pre-review-ci.yml b/.github/workflows/pre-review-ci.yml
index 626178acd2..b35ef0be22 100644
--- a/.github/workflows/pre-review-ci.yml
+++ b/.github/workflows/pre-review-ci.yml
@@ -32,7 +32,6 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install libc6-dev-i386
-          export RUSTUP_TOOLCHAIN=
           ./.github/scripts/ci-test.sh
 
       # Style checks