diff --git a/chrome/content/zotero/xpcom/utilities_translate.js b/chrome/content/zotero/xpcom/utilities_translate.js
index 1b22224eb..4fd1c2099 100644
--- a/chrome/content/zotero/xpcom/utilities_translate.js
+++ b/chrome/content/zotero/xpcom/utilities_translate.js
@@ -284,101 +284,6 @@ Zotero.Utilities.Translate.prototype.processDocuments = function(urls, processor
 	}, myException, true, translate.cookieSandbox);
 }
 
-/**
- * Gets the DOM document object corresponding to the page located at URL, but avoids locking the
- * UI while the request is in process.
- *
- * @deprecated
- * @param {String} 		url		URL to load
- * @return {Document} 			DOM document object
- */
-Zotero.Utilities.Translate.prototype.retrieveDocument = function(url) {
-	if(!Zotero.isFx) throw "Zotero.Utilities.retrieveDocument() is unsupported outside of Firefox";
-	this._translate._debug("WARNING: Zotero.Utilities.retrieveDocument() is unsupported outside of Firefox", 1);
-	
-	url = this._convertURL(url);
-	
-	var mainThread = Zotero.mainThread;
-	var loaded = false;
-	var listener =  function() {
-		loaded = hiddenBrowser.contentDocument.location.href != "about:blank";
-	}
-	
-	var hiddenBrowser = Zotero.Browser.createHiddenBrowser();
-	if(this._translate.cookieSandbox) this._translate.cookieSandbox.attachToBrowser(hiddenBrowser);
-	
-	hiddenBrowser.addEventListener("pageshow", listener, true);
-	hiddenBrowser.loadURI(url);
-	
-	// Use a timeout of 2 minutes. Without a timeout, a request to an IP at which no system is
-	// configured will continue indefinitely, and hang Firefox as it shuts down. No same request
-	// should ever take longer than 2 minutes. 
-	var endTime = Date.now() + 120000;
-	while(!loaded && Date.now() < endTime) {
-		// This processNextEvent call is used to handle a deprecated case
-		mainThread.processNextEvent(true);
-	}
-	
-	hiddenBrowser.removeEventListener("pageshow", listener, true);
-	hiddenBrowser.contentWindow.setTimeout(function() {
-		Zotero.Browser.deleteHiddenBrowser(hiddenBrowser);
-	}, 1);
-	
-	if(!loaded) throw "retrieveDocument failed: request timeout";
-	return hiddenBrowser.contentDocument;
-}
-
-/**
- * Gets the source of the page located at URL, but avoids locking the UI while the request is in
- * process.
- *
- * @deprecated
- * @param {String} 		url					URL to load
- * @param {String}		[body=null]			Request body to POST to the URL; a GET request is
- *											executed if no body is present
- * @param {Object}		[headers]			HTTP headers to include in request;
- *											Content-Type defaults to application/x-www-form-urlencoded
- *											for POST; ignored if no body
- * @param {String} 		[responseCharset] 	Character set to force on the response
- * @return {String} 						Request body
- */
-Zotero.Utilities.Translate.prototype.retrieveSource = function(url, body, headers, responseCharset) {
-	this._translate._debug("WARNING: Use of Zotero.Utilities.retrieveSource() is deprecated. "+
-		"The main thread will be frozen when Zotero.Utilities.retrieveSource() is called outside "+
-		"of Firefox, and cross-domain requests will not work.", 1);
-	
-	if(Zotero.isFx) {
-		/* Apparently, a synchronous XMLHttpRequest would have the behavior of this routine in FF3, but
-		 * in FF3.5, synchronous XHR blocks all JavaScript on the thread. See 
-		 * http://hacks.mozilla.org/2009/07/synchronous-xhr/. */
-		url = this._convertURL(url);
-		if(!headers) headers = null;
-		if(!responseCharset) responseCharset = null;
-		
-		var mainThread = Zotero.mainThread;
-		var finished = false;
-		var listener = function() { finished = true };
-		
-		if(body) {
-			var xmlhttp = Zotero.HTTP.doPost(url, body, listener, headers, responseCharset, this._translate.cookieSandbox);
-		} else {
-			var xmlhttp = Zotero.HTTP.doGet(url, listener, responseCharset, this._translate.cookieSandbox);
-		}
-		
-		// This processNextEvent call is used to handle a deprecated case
-		while(!finished) mainThread.processNextEvent(true);
-	} else {
-		// Use a synchronous XMLHttpRequest, even though this is inadvisable
-		var xmlhttp = new XMLHttpRequest();
-		xmlhttp.open((body ? "POST" : "GET"), url, false);
-		xmlhttp.send(body ? body : null);
-	}
-	
-	if(xmlhttp.status >= 400) throw "Zotero.Utilities.retrieveSource() failed: "+xmlhttp.status+" "+xmlhttp.statusText;
-	
-	return xmlhttp.responseText;
-}
-
 /**
 * Send an HTTP GET request via XMLHTTPRequest
 *