diff --git a/chrome/content/zotero/exportOptions.xul b/chrome/content/zotero/exportOptions.xul
index a54dbdea8d..03ab1893bb 100644
--- a/chrome/content/zotero/exportOptions.xul
+++ b/chrome/content/zotero/exportOptions.xul
@@ -3,8 +3,6 @@
 <!DOCTYPE window [
 <!ENTITY % zoteroDTD SYSTEM "chrome://zotero/locale/zotero.dtd" >
 %zoteroDTD;
-<!ENTITY % charsetDTD SYSTEM "chrome://global/locale/charsetOverlay.dtd" >
-%charsetDTD;
 ]>
 <dialog xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
diff --git a/chrome/content/zotero/standalone/basicViewer.xul b/chrome/content/zotero/standalone/basicViewer.xul
index ec4fdafa5a..420f6ba793 100644
--- a/chrome/content/zotero/standalone/basicViewer.xul
+++ b/chrome/content/zotero/standalone/basicViewer.xul
@@ -33,7 +33,6 @@
 
 <!DOCTYPE window [
 	<!ENTITY % globalDTD SYSTEM "chrome://global/locale/global.dtd"> %globalDTD;
-	<!ENTITY % charsetDTD SYSTEM "chrome://global/locale/charsetOverlay.dtd" > %charsetDTD;
 	<!ENTITY % textcontextDTD SYSTEM "chrome://global/locale/textcontext.dtd" > %textcontextDTD;
 	<!ENTITY % standaloneDTD SYSTEM "chrome://zotero/locale/standalone.dtd" > %standaloneDTD;
 	<!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd" > %brandDTD;