diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 884ef7c442..8d7a6d35b5 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -278,6 +278,7 @@ jobs:
             UBSAN_OPTIONS=""
             RUSTFLAGS=""
             CARGO_FLAGS="--locked --release"
+            unset CC
           fi
           {
             echo "cov_prefix=${cov_prefix}"