diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index 0f43f0d199..90d965f6d5 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -257,12 +257,6 @@
                         <literallayout class='monospaced'>
      $ sudo apt-get install make xsltproc docbook-utils fop dblatex xmlto
                         </literallayout></para></listitem>
-                    <listitem><para><emphasis>SDK Installer Extras:</emphasis>
-                        Packages needed if you are going to be using the
-                        the standard or extensible SDK:
-                        <literallayout class='monospaced'>
-     $ sudo apt-get install autoconf automake libtool libglib2.0-dev libarchive-dev
-                        </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run
                         <filename>oe-selftest</filename>:
@@ -301,12 +295,6 @@
      $ sudo dnf install make docbook-style-dsssl docbook-style-xsl \
      docbook-dtds docbook-utils fop libxslt dblatex xmlto xsltproc
                         </literallayout></para></listitem>
-                    <listitem><para><emphasis>SDK Installer Extras:</emphasis>
-                        Packages needed if you are going to be using the
-                        standard or extensible SDK:
-                        <literallayout class='monospaced'>
-     $ sudo dnf install autoconf automake libtool glib2-devel libarchive-devel
-                        </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run
                         <filename>oe-selftest</filename>:
@@ -344,12 +332,6 @@
                         <literallayout class='monospaced'>
      $ sudo zypper install make fop xsltproc dblatex xmlto
                         </literallayout></para></listitem>
-                    <listitem><para><emphasis>SDK Installer Extras:</emphasis>
-                        Packages needed if you are going to be using the
-                        standard or extensible SDK:
-                        <literallayout class='monospaced'>
-     $ sudo zypper install autoconf automake libtool glib2-devel libarchive-devel
-                        </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run
                         <filename>oe-selftest</filename>:
@@ -399,12 +381,6 @@
      $ sudo yum install make docbook-style-dsssl docbook-style-xsl \
      docbook-dtds docbook-utils fop libxslt dblatex xmlto xsltproc
                         </literallayout></para></listitem>
-                    <listitem><para><emphasis>SDK Installer Extras:</emphasis>
-                        Packages needed if you are going to be using the
-                        standard or extensible SDK:
-                        <literallayout class='monospaced'>
-     $ sudo yum install autoconf automake libtool glib2-devel libarchive-devel
-                        </literallayout></para></listitem>
                     <listitem><para><emphasis>OpenEmbedded Self-Test (<filename>oe-selftest</filename>):</emphasis>
                         Packages needed if you are going to run
                         <filename>oe-selftest</filename>: