diff --git a/configure.in b/configure.in
index 97a9701..0270800 100644
--- a/configure.in
+++ b/configure.in
@@ -19,12 +19,7 @@ m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
 dnl
 dnl The GNU folks apparently haven't heard that some people don't use
 dnl Texinfo. Use this sorcery to use "docdir" instead of "infodir".
-m4_define([info], [doc])
-m4_define([infodir], [docdir])
 AC_INIT([PostgreSQL], [7.4.17], [pgsql-bugs@postgresql.org])
-m4_undefine([infodir])
-m4_undefine([info])
-AC_SUBST(docdir)
 
 AC_PREREQ(2.53)
 AC_COPYRIGHT([Copyright 2004 PostgreSQL Global Development Group])