diff --git a/chrome/content/zotero/xpcom/attachments.js b/chrome/content/zotero/xpcom/attachments.js
index 18f9eaf98..13d3c94a9 100644
--- a/chrome/content/zotero/xpcom/attachments.js
+++ b/chrome/content/zotero/xpcom/attachments.js
@@ -1091,7 +1091,6 @@ Zotero.Attachments = new function(){
 				continue;
 			}
 			size += file.fileSize;
-			Zotero.wait();
 		}
 		return size;
 	}