diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 2ca6f8c93..fbd7b4014 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -90,6 +90,10 @@ First a summary, then a detailed log.</para>
 </itemizedlist>
 </listitem>
 
+<listitem><para>June 21st, 2005 [archaic]: Removed --with-included-regex from
+chapter05/grep since there seems to no longer be a valid reason to use it and
+the explanation of it was incorrect.</para></listitem>
+
 <listitem><para>June 21st, 2005 [archaic]: Updated to findutils-4.2.23.
 </para></listitem>
 
diff --git a/chapter05/grep.xml b/chapter05/grep.xml
index 4cd4f6ebf..6c4b9b01c 100644
--- a/chapter05/grep.xml
+++ b/chapter05/grep.xml
@@ -32,7 +32,7 @@
 <para>Prepare Grep for compilation:</para>
 
 <screen><userinput>./configure --prefix=/tools \
-    --disable-perl-regexp --with-included-regex</userinput></screen>
+    --disable-perl-regexp</userinput></screen>
 
 <para>The meaning of the configure options:</para>
 
@@ -45,13 +45,6 @@ Expression (PCRE) library that may be present on the host and would
 not be available once we enter the chroot
 environment.</para></listitem>
 </varlistentry>
-
-<varlistentry>
-<term><parameter>--with-included-regex</parameter></term>
-<listitem><para>This ensures that Grep uses its internal regular
-expression code.  Without this switch, Grep will use the code from
-Glibc, which is known to be buggy.</para></listitem>
-</varlistentry>
 </variablelist>
 
 <para>Compile the package:</para>