diff --git a/src/document/libdom/corestringlist.h b/src/document/libdom/corestringlist.h
index c4abe01c..fb343a43 100644
--- a/src/document/libdom/corestringlist.h
+++ b/src/document/libdom/corestringlist.h
@@ -381,10 +381,6 @@ CORESTRING_DOM_VALUE(html_namespace, "http://www.w3.org/1999/xhtml");
 /* keyboardEvent keys */
 CORESTRING_DOM_STRING(Enter);
 CORESTRING_DOM_STRING(Insert);
-CORESTRING_DOM_STRING(ArrowLeft);
-CORESTRING_DOM_STRING(ArrowRight);
-CORESTRING_DOM_STRING(ArrowUp);
-CORESTRING_DOM_STRING(ArrowDown);
 CORESTRING_DOM_STRING(Backspace);
 CORESTRING_DOM_STRING(Tab);
 CORESTRING_DOM_STRING(Delete);