diff --git a/src/HtmlUtils.js b/src/HtmlUtils.js
deleted file mode 100644
index 824f59ab..00000000
--- a/src/HtmlUtils.js
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
-Copyright 2015 OpenMarket Ltd
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-'use strict';
-
-var React = require('react');
-var sanitizeHtml = require('sanitize-html');
-var highlight = require('highlight.js');
-
-var sanitizeHtmlParams = {
-    allowedTags: [
-        'font', // custom to matrix. deliberately no h1/h2 to stop people shouting.
-        'h3', 'h4', 'h5', 'h6', 'blockquote', 'p', 'a', 'ul', 'ol',
-        'nl', 'li', 'b', 'i', 'strong', 'em', 'strike', 'code', 'hr', 'br', 'div',
-        'table', 'thead', 'caption', 'tbody', 'tr', 'th', 'td', 'pre'
-    ],
-    allowedAttributes: {
-        // custom ones first:
-        font: [ 'color' ], // custom to matrix
-        a: [ 'href', 'name', 'target' ], // remote target: custom to matrix
-        // We don't currently allow img itself by default, but this
-        // would make sense if we did
-        img: [ 'src' ],
-    },
-    // Lots of these won't come up by default because we don't allow them
-    selfClosing: [ 'img', 'br', 'hr', 'area', 'base', 'basefont', 'input', 'link', 'meta' ],
-    // URL schemes we permit
-    allowedSchemes: [ 'http', 'https', 'ftp', 'mailto' ],
-    allowedSchemesByTag: {},
-    
-    transformTags: { // custom to matrix
-        // add blank targets to all hyperlinks
-        'a': sanitizeHtml.simpleTransform('a', { target: '_blank'} )
-    },
-};
-
-module.exports = {
-    bodyToHtml: function(content, searchTerm) {
-        var originalBody = content.body;
-        var body;
-
-        if (searchTerm) {
-            var lastOffset = 0;
-            var bodyList = [];
-            var k = 0;
-            var offset;
-
-            // XXX: rather than searching for the search term in the body,
-            // we should be looking at the match delimiters returned by the FTS engine
-            if (content.format === "org.matrix.custom.html") {
-
-                var safeBody = sanitizeHtml(content.formatted_body, sanitizeHtmlParams);
-                var safeSearchTerm = sanitizeHtml(searchTerm, sanitizeHtmlParams);
-                while ((offset = safeBody.indexOf(safeSearchTerm, lastOffset)) >= 0) {
-                    // FIXME: we need to apply the search highlighting to only the text elements of HTML, which means
-                    // hooking into the sanitizer parser rather than treating it as a string.  Otherwise
-                    // the act of highlighting a <b/> or whatever will break the HTML badly.
-                    bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeBody.substring(lastOffset, offset) }} />);
-                    bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeSearchTerm }} className="mx_MessageTile_searchHighlight" />);
-                    lastOffset = offset + safeSearchTerm.length;
-                }
-                bodyList.push(<span className="markdown-body" key={ k++ } dangerouslySetInnerHTML={{ __html: safeBody.substring(lastOffset) }} />);
-            }
-            else {
-                while ((offset = originalBody.indexOf(searchTerm, lastOffset)) >= 0) {
-                    bodyList.push(<span key={ k++ } >{ originalBody.substring(lastOffset, offset) }</span>);
-                    bodyList.push(<span key={ k++ } className="mx_MessageTile_searchHighlight">{ searchTerm }</span>);
-                    lastOffset = offset + searchTerm.length;
-                }
-                bodyList.push(<span key={ k++ }>{ originalBody.substring(lastOffset) }</span>);
-            }
-            body = bodyList;
-        }
-        else {
-            if (content.format === "org.matrix.custom.html") {
-                var safeBody = sanitizeHtml(content.formatted_body, sanitizeHtmlParams);
-                body = <span className="markdown-body" dangerouslySetInnerHTML={{ __html: safeBody }} />;
-            }
-            else {
-                body = originalBody;
-            }
-        }
-
-        return body;
-    },
-
-    highlightDom: function(element) {
-        var blocks = element.getElementsByTagName("code");
-        for (var i = 0; i < blocks.length; i++) {
-            highlight.highlightBlock(blocks[i]);
-        }
-    },
-
-}
-