diff --git a/prototype/UI/index.html b/prototype/UI/index.html
index 6070d92c2..9451efc3b 100644
--- a/prototype/UI/index.html
+++ b/prototype/UI/index.html
@@ -7,18 +7,6 @@
         margin: 0;
         padding: 0;
     }
-    #before {
-        width: 50%;
-        background: #ffecec;
-        float: left;
-        white-space: pre-wrap;
-    }
-    #after {
-        width: 50%;
-        background: #eaffea;
-        float: right;
-        white-space: pre-wrap;
-    }
     .insert {
         background-color: #eaffea;
         outline: 1px solid #c1e9c1;
@@ -114,14 +102,9 @@
     </script>
   </head>
   <body>
-    <div id="before"></div>
-    <div id="after"></div>
     <div id="diff"></div>
     <script type="text/javascript">
     loadJSON('diff.json', function (json) {
-        document.getElementById("before").textContent = json.a;
-        document.getElementById("after").textContent = json.b;
-
         console.log(json.diff);
         diff(json.diff, json.a, json.b);
     });
