diff --git a/src/os/win32/ngx_files.h b/src/os/win32/ngx_files.h
index 8cd58ef..f5e50cc 100644
--- a/src/os/win32/ngx_files.h
+++ b/src/os/win32/ngx_files.h
@@ -22,7 +22,10 @@
 #define ngx_open_file(name, flags)                                          \
             CreateFile(name, flags,                                         \
                        FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,  \
+                       NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL)
+/*
                        NULL, OPEN_EXISTING, 0, NULL)
+*/
 
 #define ngx_open_file_n             "CreateFile()"
 
diff --git a/src/os/win32/ngx_sendfile.h b/src/os/win32/ngx_sendfile.h
deleted file mode 100644
index a80750b..0000000
--- a/src/os/win32/ngx_sendfile.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef _NGX_SENDFILE_H_INCLUDED_
-#define _NGX_SENDFILE_H_INCLUDED_
-
-
-#include <ngx_config.h>
-#include <ngx_types.h>
-#include <ngx_files.h>
-#include <ngx_socket.h>
-#include <ngx_log.h>
-#include <ngx_sendv.h>
-
-int ngx_sendfile(ngx_socket_t s,
-                 ngx_iovec_t *headers, int hdr_cnt,
-                 ngx_fd_t fd, off_t offset, size_t nbytes,
-                 ngx_iovec_t *trailers, int trl_cnt,
-                 off_t *sent,
-                 ngx_log_t *log);
-
-
-#endif /* _NGX_SENDFILE_H_INCLUDED_ */