diff --git a/trunk/src/core/srs_core_performance.hpp b/trunk/src/core/srs_core_performance.hpp
index 47bc59cc3..a870b06f8 100644
--- a/trunk/src/core/srs_core_performance.hpp
+++ b/trunk/src/core/srs_core_performance.hpp
@@ -7,8 +7,6 @@
 #ifndef SRS_CORE_PERFORMANCE_HPP
 #define SRS_CORE_PERFORMANCE_HPP
 
-#include <srs_core.hpp>
-
 /**
  * this file defines the perfromance options.
  */