diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 72a4716b3..7ebf289a6 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -32,7 +32,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define VERSION_MAJOR       3
 #define VERSION_MINOR       0
 #define VERSION_REVISION    0
-#define VERSION_REVISION    143
 
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"