diff --git a/chrome/content/zotero/xpcom/commons.js b/chrome/content/zotero/xpcom/commons.js
index ee8639ed5..239d39297 100644
--- a/chrome/content/zotero/xpcom/commons.js
+++ b/chrome/content/zotero/xpcom/commons.js
@@ -346,19 +346,6 @@ Zotero.Commons = new function() {
 	}
 	
 	
-	this.createUnauthenticatedRequest = function (method, resource, headers) {
-		var req = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"]
-			.createInstance(Components.interfaces.nsIXMLHttpRequest);
-		req.open(method, Zotero.Commons.apiUrl + resource, false);
-		
-		for(var header in headers) {
-			req.setRequestHeader(header, headers[header]);
-		}
-		
-		return req;
-	}
-	
-	
 	// Recursively add files and directories to zipWriter
 	this.zipDirectory = function (rootDir, dir, zipWriter) {
 		dir = dir.directoryEntries;
diff --git a/chrome/content/zotero/xpcom/sync.js b/chrome/content/zotero/xpcom/sync.js
index d07fbc3a4..f0766c045 100644
--- a/chrome/content/zotero/xpcom/sync.js
+++ b/chrome/content/zotero/xpcom/sync.js
@@ -920,7 +920,7 @@ Zotero.Sync.Runner = new function () {
 						);
 						
 						if (index == 1) {
-							setTimeout(buttonCallback, 1);
+							setTimeout(function () { buttonCallback }, 1);
 						}
 					}
 				}