diff --git a/libc/include/poll.h b/libc/include/poll.h
index 3287a0c..0f5758d 100644
--- a/libc/include/poll.h
+++ b/libc/include/poll.h
@@ -42,87 +42,9 @@
 int ppoll(struct pollfd*, nfds_t, const struct timespec*, const sigset_t*)
         __overloadable __RENAME_CLANG(ppoll) __INTRODUCED_IN(21);
 
-int __poll_chk(struct pollfd*, nfds_t, int, size_t) __INTRODUCED_IN(23);
-int __ppoll_chk(struct pollfd*, nfds_t, const struct timespec*, const sigset_t*, size_t)
-  __INTRODUCED_IN(23);
-
-#if defined(__BIONIC_FORTIFY)
-#if __ANDROID_API__ >= __ANDROID_API_M__
-#if defined(__clang__)
-__BIONIC_ERROR_FUNCTION_VISIBILITY
-int poll(struct pollfd* fds, nfds_t fd_count, int timeout) __overloadable
-        __enable_if(__bos(fds) != __BIONIC_FORTIFY_UNKNOWN_SIZE &&
-                    __bos(fds) < sizeof(*fds) * fd_count,
-                    "selected when there aren't fd_count fds")
-        __errorattr("too many fds specified");
-
-__BIONIC_FORTIFY_INLINE
-int poll(struct pollfd* const fds __pass_object_size, nfds_t fd_count,
-        int timeout) __overloadable {
-  size_t bos_fds = __bos(fds);
-
-  if (bos_fds == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-      return __call_bypassing_fortify(poll)(fds, fd_count, timeout);
-  }
-
-  return __poll_chk(fds, fd_count, timeout, bos_fds);
-}
-
-__BIONIC_ERROR_FUNCTION_VISIBILITY
-int ppoll(struct pollfd* fds, nfds_t fd_count, const struct timespec* timeout,
-          const sigset_t* mask)  __overloadable
-        __enable_if(__bos(fds) != __BIONIC_FORTIFY_UNKNOWN_SIZE &&
-                    __bos(fds) < sizeof(*fds) * fd_count,
-                    "selected when there aren't fd_count fds")
-        __errorattr("too many fds specified");
-
-__BIONIC_FORTIFY_INLINE
-int ppoll(struct pollfd* const fds __pass_object_size, nfds_t fd_count,
-          const struct timespec* timeout, const sigset_t* mask) __overloadable {
-  size_t bos_fds = __bos(fds);
-
-  if (bos_fds == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-      return __call_bypassing_fortify(ppoll)(fds, fd_count, timeout, mask);
-  }
-
-  return __ppoll_chk(fds, fd_count, timeout, mask, bos_fds);
-}
-#else /* defined(__clang__) */
-int __poll_real(struct pollfd*, nfds_t, int) __RENAME(poll);
-__errordecl(__poll_too_small_error, "poll: pollfd array smaller than fd count");
-
-int __ppoll_real(struct pollfd*, nfds_t, const struct timespec*, const sigset_t*) __RENAME(ppoll)
-  __INTRODUCED_IN(21);
-__errordecl(__ppoll_too_small_error, "ppoll: pollfd array smaller than fd count");
-
-__BIONIC_FORTIFY_INLINE
-int poll(struct pollfd* fds, nfds_t fd_count, int timeout) {
-  if (__bos(fds) != __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-    if (!__builtin_constant_p(fd_count)) {
-      return __poll_chk(fds, fd_count, timeout, __bos(fds));
-    } else if (__bos(fds) / sizeof(*fds) < fd_count) {
-      __poll_too_small_error();
-    }
-  }
-  return __poll_real(fds, fd_count, timeout);
-}
-
-__BIONIC_FORTIFY_INLINE
-int ppoll(struct pollfd* fds, nfds_t fd_count, const struct timespec* timeout,
-          const sigset_t* mask) {
-  if (__bos(fds) != __BIONIC_FORTIFY_UNKNOWN_SIZE) {
-    if (!__builtin_constant_p(fd_count)) {
-      return __ppoll_chk(fds, fd_count, timeout, mask, __bos(fds));
-    } else if (__bos(fds) / sizeof(*fds) < fd_count) {
-      __ppoll_too_small_error();
-    }
-  }
-  return __ppoll_real(fds, fd_count, timeout, mask);
-}
-
-#endif /* defined(__clang__) */
-#endif /* __ANDROID_API__ >= __ANDROID_API_M__ */
-#endif /* defined(__BIONIC_FORTIFY) */
+#if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
+#include <bits/fortify/poll.h>
+#endif
 
 __END_DECLS