diff --git a/dap_stream_ch_chain_net.c b/dap_stream_ch_chain_net.c
index 6402d3491104e5044630526511f715f2bd9fd2ba..8bc2dc12a8496256448f94e31a5b1ecb547864b7 100755
--- a/dap_stream_ch_chain_net.c
+++ b/dap_stream_ch_chain_net.c
@@ -30,15 +30,12 @@
 #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 "wrappers.h"
-#include <wepoll.h>
 #endif
 
 #include <errno.h>
diff --git a/dap_stream_ch_chain_net_pkt.c b/dap_stream_ch_chain_net_pkt.c
index d1762c84f564aa50f0f7bebfb04310a6cd9f68a3..7c66fa0a15294af5a4c209dccc59d1f07f8631f5 100755
--- a/dap_stream_ch_chain_net_pkt.c
+++ b/dap_stream_ch_chain_net_pkt.c
@@ -7,15 +7,12 @@
 #include <string.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 "wrappers.h"
-#include <wepoll.h>
 #include <pthread.h>
 #endif