--- a/toolkit/content/widgets/toolbarbutton.xml
+++ b/toolkit/content/widgets/toolbarbutton.xml
@@ -70,23 +70,16 @@
                          anonid="button" flex="1" allowevents="true"
                          xbl:inherits="disabled,crop,image,label,accesskey,command,wrap,badge,
                                        align,dir,pack,orient,tooltiptext=buttontooltiptext"/>
       <xul:dropmarker type="menu-button" class="toolbarbutton-menubutton-dropmarker"
                       anonid="dropmarker" xbl:inherits="align,dir,pack,orient,disabled,label,open,consumeanchor"/>
     </content>
   </binding>
 
-  <binding id="toolbarbutton-image"
-           extends="chrome://global/content/bindings/toolbarbutton.xml#toolbarbutton">
-    <content>
-      <xul:image class="toolbarbutton-icon" xbl:inherits="src=image"/>
-    </content>
-  </binding>
-
   <binding id="toolbarbutton-badged"
            extends="chrome://global/content/bindings/toolbarbutton.xml#toolbarbutton">
     <content>
       <children includes="observes|template|menupopup|panel|tooltip"/>
       <xul:stack class="toolbarbutton-badge-stack">
         <children/>
         <xul:image class="toolbarbutton-icon" xbl:inherits="validate,src=image,label,consumeanchor"/>
         <xul:label class="toolbarbutton-badge" xbl:inherits="value=badge,style=badgeStyle" top="0" end="0" crop="none"/>