diff --git a/chrome/content/zotero/integration/citationExplorer.xhtml b/chrome/content/zotero/integration/citationExplorer.xhtml
index 62ddb9c227..e7e03fd568 100644
--- a/chrome/content/zotero/integration/citationExplorer.xhtml
+++ b/chrome/content/zotero/integration/citationExplorer.xhtml
@@ -45,8 +45,6 @@
 	buttons="accept" buttonpack="end">
 
 	<script>
-		var {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
-
 		Services.scriptloader.loadSubScript("chrome://zotero/content/include.js", this);
 		Services.scriptloader.loadSubScript("chrome://zotero/content/customElements.js", this);