--- a/devtools/client/inspector/inspector.xhtml
+++ b/devtools/client/inspector/inspector.xhtml
@@ -16,17 +16,16 @@
   <link rel="stylesheet" href="chrome://devtools/skin/computed.css"/>
   <link rel="stylesheet" href="chrome://devtools/skin/fonts.css"/>
   <link rel="stylesheet" href="chrome://devtools/skin/boxmodel.css"/>
   <link rel="stylesheet" href="chrome://devtools/skin/layout.css"/>
   <link rel="stylesheet" href="chrome://devtools/skin/animationinspector.css"/>
   <link rel="stylesheet" href="resource://devtools/client/shared/components/sidebar-toggle.css"/>
   <link rel="stylesheet" href="resource://devtools/client/shared/components/tabs/tabs.css"/>
   <link rel="stylesheet" href="resource://devtools/client/shared/components/tabs/tabbar.css"/>
-  <link rel="stylesheet" href="resource://devtools/client/inspector/components/side-panel.css"/>
   <link rel="stylesheet" href="resource://devtools/client/inspector/components/inspector-tab-panel.css"/>
   <link rel="stylesheet" href="resource://devtools/client/shared/components/splitter/split-box.css"/>
   <link rel="stylesheet" href="resource://devtools/client/inspector/layout/components/Accordion.css"/>
 
   <script type="application/javascript;version=1.8"
           src="chrome://devtools/content/shared/theme-switching.js"></script>
   <script type="application/javascript;version=1.8" src="inspector.js" defer="true"></script>
 </head>