diff --git a/chapter04/addinguser.xml b/chapter04/addinguser.xml
index e10a884b3..9903981db 100644
--- a/chapter04/addinguser.xml
+++ b/chapter04/addinguser.xml
@@ -80,10 +80,7 @@ useradd -s /bin/bash -g lfs -m -k /dev/null lfs</userinput></screen>
   all the directories under <filename class="directory">$LFS</filename> by making
   <systemitem class="username">lfs</systemitem> the owner:</para>
 
-<screen><userinput>chown -v lfs $LFS/{usr{,/*},lib,var,etc,bin,sbin,tools}
-case $(uname -m) in
-  x86_64) chown -v lfs $LFS/lib64 ;;
-esac</userinput></screen>
+<screen><userinput>chown -v lfs $LFS/{usr{,/*},lib*,var,etc,bin,sbin,tools}</userinput></screen>
 
 <note><para>In some host systems, the following <command>su</command> command does not complete
   properly and suspends the login for the &lfs-user; user to the background.
diff --git a/chapter04/creatingminlayout.xml b/chapter04/creatingminlayout.xml
index d4bfe9af1..90934bd11 100644
--- a/chapter04/creatingminlayout.xml
+++ b/chapter04/creatingminlayout.xml
@@ -27,9 +27,7 @@ for i in bin lib sbin; do
   ln -sv usr/$i $LFS/$i
 done
 
-case $(uname -m) in
-  x86_64) mkdir -pv $LFS/lib64 ;;
-esac</userinput></screen>
+mkdir -pv $LFS/lib64</userinput></screen>
 
   <para>Programs in <xref linkend="chapter-temporary-tools"/> will be compiled
   with a cross-compiler (more details can be found in section <xref
diff --git a/chapter07/changingowner.xml b/chapter07/changingowner.xml
index 8f7b5519c..7defec6fb 100644
--- a/chapter07/changingowner.xml
+++ b/chapter07/changingowner.xml
@@ -33,9 +33,6 @@
   user <systemitem class="username">root</systemitem> by running the following
   command:</para>
 
-<screen><userinput>chown -R root:root $LFS/{usr,lib,var,etc,bin,sbin,tools}
-case $(uname -m) in
-  x86_64) chown -R root:root $LFS/lib64 ;;
-esac</userinput></screen>
+<screen><userinput>chown -R root:root $LFS/{usr,lib,lib64,var,etc,bin,sbin,tools}</userinput></screen>
 
 </sect1>