diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4ccbc4aae336c37fa08f1d40ea1b3ab875331b05..5b64979025742cc8193d92468327aee6f77052ac 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,8 +4,6 @@ project (dap_chain_mempool)
 file(GLOB DAP_CHAIN_MEMPOOL_SRC *.c)
 file(GLOB DAP_CHAIN_MEMPOOL_HDR *.h)
 
-add_definitions ("-DNODE_NETNAME=\"kelvin\"")
-
 if(WIN32)
   include_directories(../3rdparty/wepoll/)
   include_directories(../3rdparty/uthash/src/)