diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 908296291..01770a7dd 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2010-06-07  Corinna Vinschen  <corinna@vinschen.de>
+
+	* include/sys/stdio.h: Remove _GNU_SOURCE guard around getline
+	and getdelim prototypes since they are SUSv4 now.
+
 2010-06-02  Corinna Vinschen  <corinna@vinschen.de>
 
 	* ntdll.h (STATUS_BAD_NETWORK_PATH): Define.
diff --git a/winsup/cygwin/include/sys/stdio.h b/winsup/cygwin/include/sys/stdio.h
index 7aa46a000..b61110281 100644
--- a/winsup/cygwin/include/sys/stdio.h
+++ b/winsup/cygwin/include/sys/stdio.h
@@ -1,6 +1,6 @@
 /* sys/stdio.h
 
-   Copyright 2004, 2005 Red Hat, Inc.
+   Copyright 2004, 2005, 2006, 2007, 2010 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -34,10 +34,8 @@ details. */
 
 __BEGIN_DECLS
 
-#ifdef _GNU_SOURCE
 ssize_t	_EXFUN(getline, (char **, size_t *, FILE *));
 ssize_t	_EXFUN(getdelim, (char **, size_t *, int, FILE *));
-#endif /* _GNU_SOURCE */
 
 __END_DECLS