diff --git a/ChangeLog b/ChangeLog
index a3dfa2056..10e22b9b2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2001-06-27  Michael Livshin  <mlivshin@bigfoot.com>
+
+	* autogen.sh: don't run flex here.
+
+	* HACKING: clarify that newer versions of flex should be just
+	fine.
+
 2001-06-26  Martin Grabmueller  <mgrabmue@cs.tu-berlin.de>
 
 	* HACKING, ANON-CVS: Removed mentioning of guile-doc CVS module.
diff --git a/HACKING b/HACKING
index ffbfa6dfe..0d2353dba 100644
--- a/HACKING
+++ b/HACKING
@@ -57,8 +57,8 @@ libtool 1.4 --- a system for managing the zillion hairy options needed
 	on various systems to produce shared libraries.  Available in
 	"ftp://ftp.gnu.org/pub/gnu/libtool"
 
-flex 2.5.4 --- a tokenizer generator.  earlier versions will most
-        probably work too.
+flex 2.5.4 (or newer) --- a scanner generator.  earlier versions will
+        most probably work too.
 
 You are lost in a little maze of automatically generated files, all
 different.
diff --git a/autogen.sh b/autogen.sh
index 9a9c9abfa..1e92ab4b9 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -11,7 +11,6 @@ libtoolize --copy --automake --ltdl
 autoheader
 autoconf
 automake --add-missing
-flex -t libguile/c-tokenize.lex > libguile/c-tokenize.c
 
 ( echo "guile-readline..."; cd guile-readline; ./autogen.sh )