diff --git a/chrome/content/zotero/standalone.xul b/chrome/content/zotero/standalone.xul
index 7b9edb941..193b947fd 100644
--- a/chrome/content/zotero/standalone.xul
+++ b/chrome/content/zotero/standalone.xul
@@ -7,8 +7,6 @@
 <!DOCTYPE window [
 <!ENTITY % globalDTD SYSTEM "chrome://global/locale/global.dtd">
 %globalDTD;
-<!ENTITY % globalRegionDTD SYSTEM "chrome://global-region/locale/region.dtd">
-%globalRegionDTD;
 <!ENTITY % charsetDTD SYSTEM "chrome://global/locale/charsetOverlay.dtd" >
 %charsetDTD;
 <!ENTITY % textcontextDTD SYSTEM "chrome://global/locale/textcontext.dtd" >