diff --git a/README.md b/README.md
index 70e15e156..b3c9d40ba 100755
--- a/README.md
+++ b/README.md
@@ -158,7 +158,6 @@ For previous versions, please read:
 
 ## V3 changes
 
-* v3.0, 2020-01-28, Use multiple revisions. 3.0.111
 * v3.0, 2020-01-28, Fix [#1230][bug #1230], racing condition in source fetch or create. 3.0.110
 * v3.0, 2020-01-27, Fix [#1303][bug #1303], do not dispatch previous meta when not publishing. 3.0.109
 * v3.0, 2020-01-26, Allow use libst.so for ST is MPL license.
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 590ed030f..0f8f8c3c7 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -27,12 +27,7 @@
 // The version config.
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-// Version for SRS3.
-#define SRS3_VERSION_REVISION    111
-// Version for SRS4.
-#define SRS4_VERSION_REVISION    2
-// Version we used.
-#define VERSION_REVISION SRS4_VERSION_REVISION
+#define VERSION_REVISION    2
 
 // The macros generated by configure script.
 #include <srs_auto_headers.hpp>