diff --git a/.github/workflows/test_cc.yml b/.github/workflows/test_cc.yml
index 744ad89999..01c65204ae 100644
--- a/.github/workflows/test_cc.yml
+++ b/.github/workflows/test_cc.yml
@@ -51,8 +51,6 @@ jobs:
         TF_INTER_OP_PARALLELISM_THREADS: 1
         LMP_CXX11_ABI_0: 1
         CMAKE_GENERATOR: Ninja
-        CC: clang
-        CXX: clang++
         CXXFLAGS: ${{ matrix.check_memleak && '-fsanitize=leak' || '' }}
         LSAN_OPTIONS: suppressions=${{ github.workspace }}/.github/workflows/suppr.txt
     # test lammps