diff --git a/trunk/src/core/srs_core_log.hpp b/trunk/src/core/srs_core_log.hpp
index d2627f6cf..4ded57019 100755
--- a/trunk/src/core/srs_core_log.hpp
+++ b/trunk/src/core/srs_core_log.hpp
@@ -82,5 +82,9 @@ extern ILogContext* log_context;
 	#undef srs_info
 	#define srs_info(msg, ...) (void)0
 #endif
+#if 0
+	#undef srs_trace
+	#define srs_trace(msg, ...) (void)0
+#endif
 
 #endif