diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index 163ea925f1..893a50fc3c 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -338,7 +338,7 @@
                         Yocto Project documentation manuals:
                         <literallayout class='monospaced'>
      $ sudo dnf install make docbook-style-dsssl docbook-style-xsl \
-     docbook-dtds docbook-utils fop libxslt dblatex xmlto xsltproc
+     docbook-dtds docbook-utils fop libxslt dblatex xmlto
                         </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run
@@ -375,7 +375,7 @@
                         Packages needed if you are going to build out the
                         Yocto Project documentation manuals:
                         <literallayout class='monospaced'>
-     $ sudo zypper install make fop xsltproc dblatex xmlto
+     $ sudo zypper install make dblatex xmlto
                         </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run
@@ -444,7 +444,7 @@
                         Yocto Project documentation manuals:
                         <literallayout class='monospaced'>
      $ sudo yum install make docbook-style-dsssl docbook-style-xsl \
-     docbook-dtds docbook-utils fop libxslt dblatex xmlto xsltproc
+     docbook-dtds docbook-utils fop libxslt dblatex xmlto
                         </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run