diff --git a/mace/libmace/mace_runtime.cc b/mace/libmace/mace_runtime.cc
index d070e5c6fc021e78d319469d177d08d6d52475bb..45ae962c1e77897e74acb99370c45b587ed2c24d 100644
--- a/mace/libmace/mace_runtime.cc
+++ b/mace/libmace/mace_runtime.cc
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include "mace/core/macros.h"
 #include "mace/core/file_storage.h"
 #include "mace/core/runtime/cpu/cpu_runtime.h"
 #include "mace/public/mace_runtime.h"
@@ -70,7 +71,11 @@ void SetOpenCLBinaryPaths(const std::vector<std::string> &paths) {
 extern std::string kOpenCLParameterPath;
 
 void SetOpenCLParameterPath(const std::string &path) {
+#ifdef MACE_ENABLE_OPENCL
   kOpenCLParameterPath = path;
+#else
+  MACE_UNUSED(path);
+#endif  // MACE_ENABLE_OPENCL
 }
 
 void SetGPUHints(GPUPerfHint gpu_perf_hint, GPUPriorityHint gpu_priority_hint) {