diff --git a/ci/test.sh b/ci/test.sh
index 670845b53f..1c9a8f0d36 100755
--- a/ci/test.sh
+++ b/ci/test.sh
@@ -65,9 +65,7 @@ set_llvm_env() {
     export LD_LIBRARY_PATH="${LLVM_DIRECTORY}/lib":${LD_LIBRARY_PATH:-}
   else
     llvm_download $base_url `llvm_macos_target_triple ${LLVM_VERSION_TRIPLE}`
-    export DYLD_LIBRARY_PATH="${LLVM_DIRECTORY}/lib":${DYLD_LIBRARY_PATH:-}
     export CARGO_TARGET_AARCH64_APPLE_DARWIN_LINKER="${LLVM_DIRECTORY}/bin/clang"
-    export MACOSX_DEPLOYMENT_TARGET="10.6"
   fi
   export LD="${LLVM_DIRECTORY}/bin/clang"
   export CC="${LLVM_DIRECTORY}/bin/clang"
@@ -108,8 +106,6 @@ get_cargo_args() {
 
 if [ ! -z "$RUST_CROSS_COMPILER" ]; then
   export RUSTFLAGS="-C linker=${RUST_CROSS_COMPILER}-gcc"
-else
-  export RUSTFLAGS="-C linker=${LLVM_DIRECTORY}/bin/clang"
 fi
 
 CARGO_ARGS=`get_cargo_args`