diff --git a/chapter08/autoconf.xml b/chapter08/autoconf.xml
index 38375665f..8b2afb168 100644
--- a/chapter08/autoconf.xml
+++ b/chapter08/autoconf.xml
@@ -61,17 +61,6 @@
     To run the tests anyway, issue:</para>
  -->
 <screen><userinput remap="test">make check</userinput></screen>
-<!--
-    <para>This takes a long time, about &autoconf-fin-sbu-tests; SBUs. In addition,
-    several tests are skipped that use Automake. For full test coverage,
-    Autoconf can be re-tested after Automake has been installed.  In addition,
-    two tests fail due to changes in libtool-2.4.3 and later.</para>
--->
-    <note><para>The test time for autoconf can be reduced significantly on a
-    system with multiple cores.  To do this, append
-    <command>TESTSUITEFLAGS=-j&lt;N&gt;</command> to the line above.  For
-    instance, using -j4 can reduce the test time by over 60
-    percent.</para></note>
 
     <para>Install the package:</para>
 
diff --git a/chapter08/libtool.xml b/chapter08/libtool.xml
index 63a50ce3e..8a5bc9365 100644
--- a/chapter08/libtool.xml
+++ b/chapter08/libtool.xml
@@ -54,12 +54,6 @@
 
 <screen><userinput remap="test">make -k check</userinput></screen>
 
-    <note><para>The test time for Libtool can be reduced significantly on a
-    system with multiple cores.  To do this, append
-    <command>TESTSUITEFLAGS=-j&lt;N&gt;</command> to the line above.  For
-    instance, using -j4 can reduce the test time by over 60
-    percent.</para></note>
-
     <para>Five tests are known to fail in the LFS build environment due
     to a circular dependency, but these tests pass if rechecked after
     automake has been installed.  Additionally, with grep-3.8, two tests will
diff --git a/chapter08/tar.xml b/chapter08/tar.xml
index ea5f44ebb..802f04d2e 100644
--- a/chapter08/tar.xml
+++ b/chapter08/tar.xml
@@ -72,13 +72,6 @@
 
 <screen><userinput remap="test">make check</userinput></screen>
 
-    <!-- On one system the -j4 improvement is 167s - 46s = 121s (72.46%) -->
-    <note><para>The test time for Tar can be reduced significantly on a
-    system with multiple cores.  To do this, append
-    <command>TESTSUITEFLAGS=-j&lt;N&gt;</command> to the line above.  For
-    instance, using -j4 can reduce the test time by over 70
-    percent.</para></note>
-
     <para>One test, capabilities: binary store/restore, is known to fail if it is
     run because LFS lacks selinux, but will be skipped if the host kernel does
     not support extended attributes or security labels on the filesystem