diff --git a/newlib/libc/sys/rtems/include/sys/socket.h b/newlib/libc/sys/rtems/include/sys/socket.h
index cec6a2418..87d0f33e6 100644
--- a/newlib/libc/sys/rtems/include/sys/socket.h
+++ b/newlib/libc/sys/rtems/include/sys/socket.h
@@ -111,7 +111,15 @@ typedef	__uintptr_t	uintptr_t;
  */
 #define	SOCK_CLOEXEC	0x10000000
 #define	SOCK_NONBLOCK	0x20000000
-#endif
+#ifdef _KERNEL
+/*
+ * Flags for accept1(), kern_accept4() and solisten_dequeue, in addition
+ * to SOCK_CLOEXEC and SOCK_NONBLOCK.
+ */
+#define ACCEPT4_INHERIT 0x1
+#define ACCEPT4_COMPAT  0x2
+#endif	/* _KERNEL */
+#endif	/* __BSD_VISIBLE */
 
 /*
  * Option flags per-socket.
@@ -704,9 +712,5 @@ void so_sowwakeup(struct socket *so);
 void so_lock(struct socket *so);
 void so_unlock(struct socket *so);
 
-void so_listeners_apply_all(struct socket *so, void (*func)(struct socket *, void *), void *arg);
-
-#endif
-
-
+#endif /* _KERNEL */
 #endif /* !_SYS_SOCKET_H_ */