diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index e64927c859..631f079407 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -2298,7 +2298,6 @@ Zotero.Browser = new function() {
 		hiddenBrowser.docShell.allowJavascript = false;
 		hiddenBrowser.docShell.allowMetaRedirects = false;
 		hiddenBrowser.docShell.allowPlugins = false;
-		hiddenBrowser.docShell.canExecuteScripts = false;
 		Zotero.debug("created hidden browser ("
 			+ (win.document.getElementsByTagName('browser').length - 1) + ")");
 		return hiddenBrowser;