1 files changed, 1 insertions, 6 deletions

diff --git a/src/s/aix4-2.h b/src/s/aix4-2.h
index c2715fffe01..37b041396f9 100644
--- a/src/s/aix4-2.h
+++ b/src/s/aix4-2.h
@@ -1,5 +1,5 @@
 /*
-Copyright (C) 1999, 2001-2011  Free Software Foundation, Inc.
+Copyright (C) 1999, 2001-2012  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -47,11 +47,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* AIX doesn't define this.  */
 #define unix 1
 
-/* string.h defines rindex as a macro, at least with native cc, so we
-   lose declaring char * rindex without this.
-   It is just a guess which versions of AIX need this definition.  */
-#undef HAVE_STRING_H
-
 /* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct.  */
 #define SIGNALS_VIA_CHARACTERS
 #define CLASH_DETECTION