Index: introduction/welcome/changelog.xml
===================================================================
--- introduction/welcome/changelog.xml	(revision 511fbee98fd63b6171d5a7ef99f9ce3af0d9f03c)
+++ introduction/welcome/changelog.xml	(revision e3dfe5e67ca85c7d4a6c759d9b139c12ee453a95)
@@ -46,4 +46,8 @@
       <itemizedlist>
         <listitem>
+          <para>[ken] - Fix texlive build failure with poppler-20.08
+          by removing instructions to use system poppler.</para>
+        </listitem>
+        <listitem>
           <para>[renodr] - Adapt the Lua-5.4 sed in VIM to the latest version
           of VIM.</para>
Index: pst/typesetting/texlive.xml
===================================================================
--- pst/typesetting/texlive.xml	(revision 511fbee98fd63b6171d5a7ef99f9ce3af0d9f03c)
+++ pst/typesetting/texlive.xml	(revision e3dfe5e67ca85c7d4a6c759d9b139c12ee453a95)
@@ -223,5 +223,5 @@
 
     <caution>
-      <para>
+  <!--<para>
         The instructions here for dealing with <application>poppler</application>
         will only work with versions of poppler used in BLFS-9.1 and later, i.e.
@@ -232,8 +232,8 @@
         which version of <application>poppler</application> is installed and use
         the appropriate versions of these files.
-      </para>
-
-      <para>
-        Similarly, if you wish to upgrade to current <application>texlive</application>
+      </para>-->
+
+      <para>
+        If you wish to upgrade to current <application>texlive</application>
         on an older system where extra packages (<application>asymptote</application>.
         <application>biber</application>, <application>dvisvgm</application> or
@@ -258,32 +258,4 @@
 EOF</userinput></screen>
 
-    <para>
-      <application>TexLive</application> ships with a very old version of
-      <application>poppler</application>, and some updated files for newer versions.
-      To use the system version, first identify it and then copy the correct
-      versions of the updated files (please read the Caution above):
-    </para>
-
-<!-- on a release, drop this back to current version but update the
- Caution above and ideally keep this commented, every other (expletive
- deleted) poppler update tends to break this. -->
-<screen><userinput>SYSPOP= &amp;&amp;
-let MYPOPPLER=$(pkg-config --modversion poppler | cut -d '.' -f2)
-if [ "$MYPOPPLER" -lt 85 ]; then
-    # BLFS-9.1 uses 0.85.0, ignore earlier versions in this script.
-    SYSPOP=
-else
-    SYSPOP="--with-system-poppler --with-system-xpdf --with-system-potrace"
-    if [ $MYPOPPLER -lt 86 ]; then
-        mv -v texk/web2c/pdftexdir/pdftoepdf{-poppler0.83.0,}.cc
-    else # 0.86.0 or later.
-        mv -v texk/web2c/pdftexdir/pdftoepdf{-poppler0.86.0,}.cc
-    fi
-    # For pdftosrc BLFS-9.1 uses 0.83.0 and that is the latest variant.
-    mv -v texk/web2c/pdftexdir/pdftosrc{-poppler0.83.0,}.cc
-fi &amp;&amp;
-export SYSPOP &amp;&amp;
-unset MYPOPPLER</userinput></screen>
-
     <note>
       <para>
@@ -299,4 +271,10 @@
 <!-- after the export!
 patch -Np1 -i ../texlive-&texlive-version;-source-upstream_fixes-1.patch &amp;&amp;-->
+
+<!-- System poppler was removed from upstream in
+ https://tug.org/svn/texlive?view=revision&revision=55138
+ so for remaining lifetime of TL2020 use its shipped version
+ because it does not build with current system poppler -->
+
 <screen><userinput>export TEXARCH=$(uname -m | sed -e 's/i.86/i386/' -e 's/$/-linux/') &amp;&amp;
 
@@ -327,10 +305,8 @@
     --with-system-mpfr                                          \
     --with-system-pixman                                        \
-    ${SYSPOP}                                                   \
     --with-system-zlib                                          \
     --with-banner-add=" - BLFS" &amp;&amp;
 
-make &amp;&amp;
-unset SYSPOP</userinput></screen>
+make</userinput></screen>
 
     <para>
Index: xincludes/texrecommendlibs.xml
===================================================================
--- xincludes/texrecommendlibs.xml	(revision 511fbee98fd63b6171d5a7ef99f9ce3af0d9f03c)
+++ xincludes/texrecommendlibs.xml	(revision e3dfe5e67ca85c7d4a6c759d9b139c12ee453a95)
@@ -18,7 +18,7 @@
   <xref linkend="icu"/>,
   <xref linkend="libpaper"/> (used by at least context and xelatex),
-   and <xref linkend="libpng"/>, also
-  <xref linkend="poppler"/> and
-  <xref linkend="potrace"/> (both only used if suitable file versions
-  are available in <filename class="directory">texk/web2c/pdftexdir</filename>)
+   and <xref linkend="libpng"/>
+<!-- System poppler was removed from upstream in
+ https://tug.org/svn/texlive?view=revision&revision=55138
+ so for remaining lifetime of TL2020 use its shipepd version -->
 </para>
