diff --git a/dap_chain_net_srv.c b/dap_chain_net_srv.c
index fcb83915c5b31a16caeaf35048433a738b7b0489..58d0765d951c0c8b1e94ffe02b62f7c2215bb52f 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 8e11977568307a6719aadb712a2f4713e5c178e7..468d8adb7c52fe7de545b21319a4fe7e081962d4 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>