diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
index 421db0f0b61a..512cef4ea5e8 100755
--- a/.devcontainer/setup.sh
+++ b/.devcontainer/setup.sh
@@ -2,12 +2,6 @@
 
 BAZELRC_FILE=~/.bazelrc bazel/setup_clang.sh /opt/llvm
 
-# TODO(phlax): use user.bazelrc
-# Use generated toolchain config because we know the base container is the one we're using in RBE.
-# Not using libc++ here because clangd will raise some tidy issue in libc++ header as of version 9.
-echo "build --config=rbe-toolchain-clang-libc++" >> ~/.bazelrc
-echo "build ${BAZEL_BUILD_EXTRA_OPTIONS}" | tee -a ~/.bazelrc
-
 # Ideally we want this line so bazel doesn't pollute things outside of the devcontainer, but some of
 # API tooling (proto_sync) depends on symlink like bazel-bin.
 # TODO(lizan): Fix API tooling and enable this again