diff --git a/mozilla/mailnews/mime/public/MANIFEST b/mozilla/mailnews/mime/public/MANIFEST
index 399d7f415d0..4980038d808 100644
--- a/mozilla/mailnews/mime/public/MANIFEST
+++ b/mozilla/mailnews/mime/public/MANIFEST
@@ -21,6 +21,5 @@ nsIMimeObjectClassAccess.h
 nsIMimeConverter.h
 nsIMimeEmitter.h
 nsMailHeaders.h
-nsIMsgHeaderParser.h
 nsIMimeContentTypeHandler.h
 nsIMimeURLUtils.h