diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 1d6c45d356..1bbd075b87 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1388,22 +1388,6 @@
     </para>
 </section>
 
-<section id='ref-classes-image-swab'>
-    <title><filename>image-swab.bbclass</filename></title>
-
-    <para>
-        The <filename>image-swab</filename> class enables the
-        <ulink url='&YOCTO_HOME_URL;/tools-resources/projects/swabber'>Swabber</ulink>
-        tool in order to detect and log accesses to the host system during
-        the OpenEmbedded build process.
-        <note>
-            This class is currently unmaintained.
-            The <filename>strace</filename> package needs to be installed
-            in the build host as a dependency for this tool.
-        </note>
-    </para>
-</section>
-
 <section id='ref-classes-image-vm'>
     <title><filename>image-vm.bbclass</filename></title>