1 files changed, 1 insertions, 32 deletions
diff --git a/components/dfs/include/dfs_poll.h b/components/dfs/include/dfs_poll.h
index 096a5fe712..11d17cc1ff 100644
--- a/components/dfs/include/dfs_poll.h
+++ b/components/dfs/include/dfs_poll.h
@@ -10,37 +10,6 @@
 #ifndef DFS_POLL_H__
 #define DFS_POLL_H__
 
-#include <rtthread.h>
-
-#ifdef RT_USING_POSIX
-#include <sys/time.h> /* for struct timeval */
-
-#if !defined(POLLIN) && !defined(POLLOUT)
-#define POLLIN          (0x01)
-#define POLLRDNORM      (0x01)
-#define POLLRDBAND      (0x01)
-#define POLLPRI         (0x01)
-
-#define POLLOUT         (0x02)
-#define POLLWRNORM      (0x02)
-#define POLLWRBAND      (0x02)
-
-#define POLLERR         (0x04)
-#define POLLHUP         (0x08)
-#define POLLNVAL        (0x10)
-
-typedef unsigned int nfds_t;
-
-struct pollfd
-{
-    int fd;
-    short events;
-    short revents;
-};
-#endif /* !defined(POLLIN) && !defined(POLLOUT) */
-
-#define POLLMASK_DEFAULT (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
-int poll(struct pollfd *fds, nfds_t nfds, int timeout);
-#endif /* RT_USING_POSIX */
+#include <poll.h>
 
 #endif /* DFS_POLL_H__ */