diff --git a/background.html b/background.html
index 31679aa95..3622ec4b0 100644
--- a/background.html
+++ b/background.html
@@ -311,7 +311,6 @@
   <script type="text/javascript" src="js/models/conversations.js"></script>
 
   <script type="text/javascript" src="js/chromium.js"></script>
-  <script type="text/javascript" src="js/bimap.js"></script>
   <script type="text/javascript" src="js/conversation_controller.js"></script>
   <script type="text/javascript" src="js/panel_controller.js"></script>