--- a/toolkit/content/widgets/scrollbar.xml
+++ b/toolkit/content/widgets/scrollbar.xml
@@ -6,19 +6,19 @@
 
 <bindings id="scrollbarBindings"
    xmlns="http://www.mozilla.org/xbl"
    xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
    xmlns:xbl="http://www.mozilla.org/xbl">
 
   <binding id="scrollbar" bindToUntrustedContent="true">
     <content clickthrough="always">
-      <xul:scrollbarbutton sbattr="scrollbar-up-top" type="decrement" xbl:inherits="curpos,maxpos,disabled,sborient=orient"/>
-      <xul:scrollbarbutton sbattr="scrollbar-down-top" type="increment" xbl:inherits="curpos,maxpos,disabled,sborient=orient"/>
-      <xul:slider flex="1" xbl:inherits="disabled,curpos,maxpos,pageincrement,increment,orient,sborient=orient">
-        <xul:thumb sbattr="scrollbar-thumb" xbl:inherits="orient,sborient=orient,collapsed=disabled" 
+      <xul:scrollbarbutton sbattr="scrollbar-up-top" type="decrement" xbl:inherits="curpos,maxpos,disabled"/>
+      <xul:scrollbarbutton sbattr="scrollbar-down-top" type="increment" xbl:inherits="curpos,maxpos,disabled"/>
+      <xul:slider flex="1" xbl:inherits="disabled,curpos,maxpos,pageincrement,increment,orient">
+        <xul:thumb sbattr="scrollbar-thumb" xbl:inherits="orient,collapsed=disabled"
                    align="center" pack="center"/>
       </xul:slider>
-      <xul:scrollbarbutton sbattr="scrollbar-up-bottom" type="decrement" xbl:inherits="curpos,maxpos,disabled,sborient=orient"/>
-      <xul:scrollbarbutton sbattr="scrollbar-down-bottom" type="increment" xbl:inherits="curpos,maxpos,disabled,sborient=orient"/>
+      <xul:scrollbarbutton sbattr="scrollbar-up-bottom" type="decrement" xbl:inherits="curpos,maxpos,disabled"/>
+      <xul:scrollbarbutton sbattr="scrollbar-down-bottom" type="increment" xbl:inherits="curpos,maxpos,disabled"/>
     </content>
   </binding>
 </bindings>