diff --git a/CMakeLists.txt b/CMakeLists.txt
index 44441a102c46858585a91e03f674047ecdb2485f..50117a1eb0e0f296c51703887f26215d256c51fb 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,6 @@ if(WIN32)
   include_directories(../libdap/src/win32/)
   include_directories(../3rdparty/libmemcached/)
   include_directories(../3rdparty/libmemcached/win32/)
-  include_directories(../3rdparty/wepoll/include/)
   include_directories(../3rdparty/uthash/src/)
   include_directories(../3rdparty/libjson-c/)
   include_directories(../3rdparty/curl/include/)
diff --git a/src/dap_client.c b/src/dap_client.c
index 3642652d8ddb3bd91abf595cbfce1511e5d2db30..e5c4f5a7787a55cff30bee5a9180147df1b446d2 100644
--- a/src/dap_client.c
+++ b/src/dap_client.c
@@ -9,14 +9,11 @@
 #include <unistd.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/src/dap_client_pool.c b/src/dap_client_pool.c
index f7720be28f9300fb71839de70efb5ec34689b63c..86648cca0e5848e9a36057d1a9c2f299183fe967 100644
--- a/src/dap_client_pool.c
+++ b/src/dap_client_pool.c
@@ -11,14 +11,11 @@
 #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 <wepoll.h>
 #endif
 
 #include <pthread.h>
diff --git a/src/dap_client_pvt.c b/src/dap_client_pvt.c
index ed8f8e77ad0bcbdbfb442ac4c52d34e243e0fb4b..cd2ec98be96c7170ece9a49f1c8d4529bbcd3ce2 100644
--- a/src/dap_client_pvt.c
+++ b/src/dap_client_pvt.c
@@ -37,14 +37,11 @@
 #include <fcntl.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>
 #else
 #include <sys/types.h>          /* See NOTES */
 #include <sys/socket.h>