diff --git a/mailnews/mime/public/MANIFEST b/mailnews/mime/public/MANIFEST
index b95b35b83082..f0c38851ce71 100644
--- a/mailnews/mime/public/MANIFEST
+++ b/mailnews/mime/public/MANIFEST
@@ -19,3 +19,4 @@
 nsIStreamConverter.h
 nsIMimeObjectClassAccess.h
 nsIMimeHeaderConverter.h
+nsIMimeEmitter.h
diff --git a/mailnews/news/public/MANIFEST b/mailnews/news/public/MANIFEST
index 1938eb033b9e..d2f04a5cb5fa 100644
--- a/mailnews/news/public/MANIFEST
+++ b/mailnews/news/public/MANIFEST
@@ -25,3 +25,4 @@ nsIMsgOfflineNewsState.h
 nsINNTPArticleList.h
 nsINntpUrl.h
 nsINNTPNewsgroupPost.h
+nsINntpService.h