diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index f87edff5c7..1bdd1166ff 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -3294,11 +3294,6 @@ Zotero.Item.prototype.__defineGetter__('attachmentText', function () {
 		if (cacheFile.exists()) {
 			var str = Zotero.File.getContents(cacheFile);
 			
-			// TODO: remove post-Fx3.0
-			if (!str.trim) {
-				return Zotero.Utilities.trim(str);
-			}
-			
 			return str.trim();
 		}
 		return '';
@@ -3355,11 +3350,6 @@ Zotero.Item.prototype.__defineGetter__('attachmentText', function () {
 		return '';
 	}
 	
-	// TODO: remove post-Fx3.0
-	if (!str.trim) {
-		return Zotero.Utilities.trim(str);
-	}
-	
 	return str.trim();
 });