diff --git a/src/unpack.c b/src/unpack.c
index 4afc05e2..4c2d75f1 100644
--- a/src/unpack.c
+++ b/src/unpack.c
@@ -462,7 +462,9 @@ bool msgpack_unpack_next(msgpack_unpacked* result,
 	return true;
 }
 
+#if defined(MSGPACK_OLD_COMPILER_BUS_ERROR_WORKAROUND)
 // FIXME: Dirty hack to avoid a bus error caused by OS X's old gcc.
 static void dummy_function_to_avoid_bus_error()
 {
 }
+#endif