diff --git a/dap_chain_net_srv.c b/dap_chain_net_srv.c
index 27e49aefb82340635658bc41f071a036e24a0bd3..1e9b4c0a8fe0f493f5269fba967d0eba6eb99208 100755
--- a/dap_chain_net_srv.c
+++ b/dap_chain_net_srv.c
@@ -30,14 +30,11 @@
 #include <stdint.h>
 
 #ifdef WIN32
-#undef _WIN32_WINNT
-#define _WIN32_WINNT 0x0600
 #include <winsock2.h>
 #include <windows.h>
 #include <mswsock.h>
 #include <ws2tcpip.h>
 #include <io.h>
-#include <wepoll.h>
 #endif
 
 #include <pthread.h>
diff --git a/dap_chain_net_srv_common.c b/dap_chain_net_srv_common.c
index 6d40e663dd368d82d4c7effbd85cf75e8c6ad2bc..57bcc568d233ab09f655021eea64fed1cb78a94c 100755
--- a/dap_chain_net_srv_common.c
+++ b/dap_chain_net_srv_common.c
@@ -31,14 +31,11 @@
 #include <stdint.h>
 
 #ifdef WIN32
-#undef _WIN32_WINNT
-#define _WIN32_WINNT 0x0600
 #include <winsock2.h>
 #include <windows.h>
 #include <mswsock.h>
 #include <ws2tcpip.h>
 #include <io.h>
-#include <wepoll.h>
 #endif
 
 #include <pthread.h>