diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 04945b7e6..e020d997d 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2005-08-08  Christopher Faylor  <cgf@timesys.com>
+
+	* include/sys/cdefs.h: Remove extra line.
+
 2005-08-08  Corinna Vinschen  <corinna@vinschen.de>
 
 	* security.cc (get_reg_security): New static function.
diff --git a/winsup/cygwin/include/sys/cdefs.h b/winsup/cygwin/include/sys/cdefs.h
index 75b30b218..c401ce794 100644
--- a/winsup/cygwin/include/sys/cdefs.h
+++ b/winsup/cygwin/include/sys/cdefs.h
@@ -19,6 +19,5 @@ details. */
 #endif
 #define __P(protos)     protos		/* full-blown ANSI C */
 #define  __CONCAT(__x,__y)   __x##__y
-#define  __CONCAT(__x,__y)   __x##__y
 #endif