diff --git a/mozilla/mailnews/base/public/msgFolderFlags.h b/mozilla/mailnews/base/public/msgFolderFlags.h
deleted file mode 100644
index eb43d78f95c..00000000000
--- a/mozilla/mailnews/base/public/msgFolderFlags.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL.  You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation.  Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
- * Reserved.
- */
-
-/* Flags about a folder or a newsgroup.  Used in the MSG_FolderLine struct;
-   also used internally in libmsg (the `flags' slot in MSG_Folder).  Note that
-   these don't have anything to do with the above MSG_FLAG flags; they belong
-   to different objects entirely.  */
-
-#ifndef _msgFolderFlags_h_
-#define _msgFolderFlags_h_
-
-
-    /* These flags say what kind of folder this is:
-       mail or news, directory or leaf.
-     */
-#define MSG_FOLDER_FLAG_NEWSGROUP   0x0001  /* The type of this folder. */
-#define MSG_FOLDER_FLAG_NEWS_HOST   0x0002  /* Exactly one of these three */
-#define MSG_FOLDER_FLAG_MAIL        0x0004  /* flags will be set. */
-
-#define MSG_FOLDER_FLAG_DIRECTORY   0x0008  /* Whether this is a directory:
-                                               NEWS_HOSTs are always
-                                               directories; NEWS_GROUPs can be
-                                               directories if we are in ``show
-                                               all groups'' mode; MAIL folders
-                                               will have this bit if they are
-                                               really directories, not files.
-                                               (Note that directories may have
-                                               zero children.) */
-
-#define MSG_FOLDER_FLAG_ELIDED      0x0010  /* Whether the children of this
-                                               folder are currently hidden in
-                                               the listing.  This will only
-                                               be present if the DIRECTORY
-                                               bit is on. */
-
-    /* These flags only occur in folders which have
-       the MSG_FOLDER_FLAG_NEWSGROUP bit set, and do
-       not have the MSG_FOLDER_FLAG_DIRECTORY or
-       MSG_FOLDER_FLAG_ELIDED bits set.
-     */
-
-#define MSG_FOLDER_FLAG_MODERATED   0x0020  /* Whether this folder represents
-                                               a moderated newsgroup. */
-#define MSG_FOLDER_FLAG_SUBSCRIBED  0x0040  /* Whether this folder represents
-                                               a subscribed newsgroup. */
-#define MSG_FOLDER_FLAG_NEW_GROUP   0x0080  /* A newsgroup which has just
-                                               been added by the `Check
-                                               New Groups' command. */
-
-
-    /* These flags only occur in folders which have
-       the MSG_FOLDER_FLAG_MAIL bit set, and do
-       not have the MSG_FOLDER_FLAG_DIRECTORY or
-       MSG_FOLDER_FLAG_ELIDED bits set.
-
-	   The numeric order of these flags is important;
-	   folders with these flags on get displayed first,
-	   in reverse numeric order, before folders that have
-	   none of these flags on.  (Note that if a folder is,
-	   say, *both* inbox and sentmail, then its numeric value
-	   will be even bigger, and so will bubble up to where the
-	   inbox generally is.  What a hack!)
-     */
-
-#define MSG_FOLDER_FLAG_TRASH       0x0100  /* Whether this is the trash
-                                               folder. */
-#define MSG_FOLDER_FLAG_SENTMAIL	0x0200	/* Whether this is a folder that
-											   sent mail gets delivered to.
-											   This particular magic flag is
-											   used only during sorting of
-											   folders; we generally don't care
-											   otherwise. */
-#define MSG_FOLDER_FLAG_DRAFTS      0x0400	/* Whether this is the folder in
-                                               which unfinised, unsent messages
-                                               are saved for later editing. */
-#define MSG_FOLDER_FLAG_QUEUE       0x0800  /* Whether this is the folder in
-                                               which messages are queued for
-                                               later delivery. */
-#define MSG_FOLDER_FLAG_INBOX       0x1000  /* Whether this is the primary
-                                               inbox folder. */
-#define MSG_FOLDER_FLAG_IMAPBOX		0x2000	/* Whether this folder on online
-											   IMAP */
-
-#define MSG_FOLDER_FLAG_CAT_CONTAINER 0x4000 /* This group contains categories */
-
-#define MSG_FOLDER_FLAG_PROFILE_GROUP 0x8000 /* This is a virtual newsgroup */
-
-#define MSG_FOLDER_FLAG_CATEGORY	0x10000  /* this is a category */
-
-#define MSG_FOLDER_FLAG_GOT_NEW		0x20000		/* folder got new msgs */
-
-#define MSG_FOLDER_FLAG_IMAP_SERVER	0x40000		/* folder is an IMAP server */
-
-#define MSG_FOLDER_FLAG_IMAP_PERSONAL	0x80000		/* folder is an IMAP personal folder */
-
-#define MSG_FOLDER_FLAG_IMAP_PUBLIC		0x100000		/* folder is an IMAP public folder */
-
-#define MSG_FOLDER_FLAG_IMAP_OTHER_USER	0x200000		/* folder is another user's IMAP folder */
-														/* Think of it like a folder that someone would share. */
-#define MSG_FOLDER_FLAG_TEMPLATES		0x400000	/* Whether this is the template folder */
-
-#define MSG_FOLDER_FLAG_PERSONAL_SHARED	0x800000	/* This folder is one of your personal folders that
-								`					   is shared with other users */
-
-#define MSG_FOLDER_FLAG_IMAP_NOSELECT	0x1000000	/* This folder is an IMAP \Noselect folder */
-
-#endif