diff --git a/libnativebridge/native_bridge.cc b/libnativebridge/native_bridge.cc
index 9997b2a1b..a2d8d81ef 100644
--- a/libnativebridge/native_bridge.cc
+++ b/libnativebridge/native_bridge.cc
@@ -33,6 +33,11 @@
 
 namespace android {
 
+#ifdef __APPLE__
+template <typename T>
+void UNUSED(const T&) {}
+#endif
+
 extern "C" {
 
 // Environment values required by the apps running with native bridge.
@@ -254,10 +259,6 @@ bool NeedsNativeBridge(const char* instruction_set) {
   return strncmp(instruction_set, ABI_STRING, strlen(ABI_STRING) + 1) != 0;
 }
 
-#ifdef __APPLE__
-template<typename T> void UNUSED(const T&) {}
-#endif
-
 bool PreInitializeNativeBridge(const char* app_data_dir_in, const char* instruction_set) {
   if (state != NativeBridgeState::kOpened) {
     ALOGE("Invalid state: native bridge is expected to be opened.");