diff --git a/client_mempool.c b/client_mempool.c
index ae50a2d6e255c1d289c07dd70d9269ebc1469ee8..e4ec2670245ff4317d573b5e4fd91cc27b756eb2 100755
--- a/client_mempool.c
+++ b/client_mempool.c
@@ -30,15 +30,12 @@
 #include <errno.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 <time.h>
-#include <wepoll.h>
 #include <pthread.h>
 #endif
 
diff --git a/dap_chain_mempool.c b/dap_chain_mempool.c
index 7348370b70fd604e73d6ec1f10a5bca563a6e120..addc0971cf31efeedda270dae707fed5d08d6dc5 100755
--- a/dap_chain_mempool.c
+++ b/dap_chain_mempool.c
@@ -30,15 +30,12 @@
 #include <memory.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 <time.h>
-#include <wepoll.h>
 #include <pthread.h>
 #endif