--- a/browser/tools/mozscreenshots/mozscreenshots/extension/install.rdf
+++ b/browser/tools/mozscreenshots/mozscreenshots/extension/install.rdf
@@ -7,19 +7,16 @@
 <RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
      xmlns:em="http://www.mozilla.org/2004/em-rdf#">
 
   <Description about="urn:mozilla:install-manifest">
     <em:id>mozscreenshots@mozilla.org</em:id>
 #expand <em:version>__MOZILLA_VERSION_U__</em:version>
     <em:bootstrap>true</em:bootstrap>
 
-    <!-- for running custom screenshot binaries -->
-    <em:unpack>false</em:unpack>
-
     <!-- Front End MetaData -->
     <em:name>mozscreenshots</em:name>
     <em:description>Take screenshots of Mozilla applications in various UI configurations.</em:description>
     <em:creator>Mozilla</em:creator>
 
     <em:targetApplication>
       <Description>
         <!-- Firefox -->