diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 6070ddb283..96220f284e 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -8839,17 +8839,20 @@ as .putsy.conf and edit it.</programlisting>
 	  A port will actually install into
 	  <makevar>DESTDIR</makevar>/<makevar>PREFIX</makevar>, and register
 	  with the package database in <makevar>DESTDIR</makevar>/var/db/pkg.
-	  It is very important to write ports that respect
-	  <makevar>DESTDIR</makevar>.</para>
+	  As <makevar>DESTDIR</makevar> is handled automatically by the
+	  ports infrastructure via calling &man.chroot.8;, you do not
+	  need any modifications or any extra care to write
+	  <makevar>DESTDIR</makevar>-compliant ports.</para>
 
 	<para>The value of <makevar>PREFIX</makevar> will be set
-	  to <makevar>LOCALBASE_REL</makevar> (default
+	  to <makevar>LOCALBASE</makevar> (default
 	  <filename>/usr/local</filename>).  If
 	  <makevar>USE_X_PREFIX</makevar> or <makevar>USE_IMAKE</makevar> is
-	  set, <makevar>PREFIX</makevar> will be <makevar>X11BASE_REL</makevar> (default
-	  <filename>/usr/X11R6</filename>).  If
+	  set, <makevar>PREFIX</makevar> will be <makevar>X11BASE</makevar>
+	  (default <makevar>LOCALBASE</makevar> for compatibility reasons,
+	  but it is going to be completely removed later).  If
 	  <makevar>USE_LINUX_PREFIX</makevar> is set, <makevar>PREFIX</makevar>
-	  will be <makevar>LINUXBASE_REL</makevar> (default
+	  will be <makevar>LINUXBASE</makevar> (default
 	  <filename>/compat/linux</filename>).</para>
 
 	<para>Avoiding the hard-coding of <filename>/usr/local</filename> or
@@ -8900,48 +8903,6 @@ as .putsy.conf and edit it.</programlisting>
 	  <literal>-DPAGER=\"/usr/local/bin/less\"</literal>. This way it will
 	  have a better chance of working if the system administrator has
 	  moved the whole <filename>/usr/local</filename> tree somewhere else.</para>
-
-	<para>Note that <makevar>LOCALBASE</makevar>,
-	  <makevar>LINUXBASE</makevar>, <makevar>X11BASE</makevar>,
-	  <makevar>DOCSDIR</makevar>, <makevar>EXAMPLESDIR</makevar>,
-	  <makevar>DATADIR</makevar>, <makevar>DESKTOPDIR</makevar> variables
-	  already contain <makevar>DESTDIR</makevar>.  Using
-	  <makevar>DESTDIR</makevar>&nbsp;<makevar>LOCALBASE</makevar> is
-	  wrong.  Use <makevar>LOCALBASE_REL</makevar>,
-	  <makevar>LINUXBASE_REL</makevar>, <makevar>X11BASE_REL</makevar>
-	  if you need a variable relative to <makevar>DESTDIR</makevar>.
-	  To keep things terse, <makevar>TARGETDIR</makevar> can be used to
-	  replace <makevar>DESTDIR</makevar>&nbsp;<makevar>PREFIX</makevar>.</para>
-
-	<para>Example of correct usage:</para>
-
-	<programlisting>post-install:
-	${INSTALL_PROGRAM} ${WRKSRC}/helper ${TARGETDIR}/bin/helper
-	${INSTALL_DATA} ${WRKSRC}/guide.txt ${DOCSDIR}</programlisting>
-
-	<para>When referencing dependencies in the port, the
-	  <makevar>LOCALBASE</makevar> is used, as we are working with
-	  dependencies inside the target environment.  For hardcoding file
-	  paths in the software, <makevar>LOCALBASE_REL</makevar> must
-	  be used, because the software will run inside the target
-	  environment.</para>
-
-	<para>Example of correct usage:</para>
-
-	<programlisting>RUN_DEPENDS=	${LOCALBASE}/share/gonzo/launch.dat:${PORTSDIR}/games/gonzo
-
-post-patch:
-	@${REINPLACE_CMD} -e 's|/usr/gonzo/launch.dat|${LOCALBASE_REL}/share/gonzo/launch.dat}' ${WRKSRC}/main.c
-	@${REINPLACE_CMD} -e 's|/etc/game.conf|${PREFIX}/etc/game.conf|' ${WRKSRC}/loader.c
-
-post-install:
-	@${INSTALL_DATA} ${WRKSRC}/example/conf ${TARGETDIR}/etc/game.conf</programlisting>
-
-	<para>In packing lists and in <filename>pkg-*</filename> scripts,
-	  <literal>%%LOCALBASE%%</literal>, <literal>%%LINUXBASE%%</literal>
-	  and <literal>%%X11BASE%%</literal> expansions will contain paths
-	  stripped of <makevar>DESTDIR</makevar>, as all these files are
-	  processed of a context of target environment.</para>
       </sect1>
       
       <sect1 id="testing-tinderbox">