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diff --git a/src/ceph/src/messages/MCacheExpire.h b/src/ceph/src/messages/MCacheExpire.h
deleted file mode 100644
index a6014fc..0000000
--- a/src/ceph/src/messages/MCacheExpire.h
+++ /dev/null
@@ -1,104 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software 
- * Foundation.  See file COPYING.
- * 
- */
-
-#ifndef CEPH_MCACHEEXPIRE_H
-#define CEPH_MCACHEEXPIRE_H
-
-#include "mds/mdstypes.h"
-
-class MCacheExpire : public Message {
-  __s32 from;
-
-public:
-  /*
-    group things by realm (auth delgation root), since that's how auth is determined.
-    that makes it less work to process when exports are in progress.
-  */
-  struct realm {
-    map<vinodeno_t, uint32_t> inodes;
-    map<dirfrag_t, uint32_t> dirs;
-    map<dirfrag_t, map<pair<string,snapid_t>,uint32_t> > dentries;
-
-    void merge(realm& o) {
-      inodes.insert(o.inodes.begin(), o.inodes.end());
-      dirs.insert(o.dirs.begin(), o.dirs.end());
-      for (map<dirfrag_t,map<pair<string,snapid_t>,uint32_t> >::iterator p = o.dentries.begin();
-	   p != o.dentries.end();
-	   ++p) {
-	if (dentries.count(p->first) == 0)
-	  dentries[p->first] = p->second;
-	else
-	  dentries[p->first].insert(p->second.begin(), p->second.end());
-      }
-    }
-
-    void encode(bufferlist &bl) const {
-      ::encode(inodes, bl);
-      ::encode(dirs, bl);
-      ::encode(dentries, bl);
-    }
-    void decode(bufferlist::iterator &bl) {
-      ::decode(inodes, bl);
-      ::decode(dirs, bl);
-      ::decode(dentries, bl);
-    }
-  };
-  WRITE_CLASS_ENCODER(realm)
-
-  map<dirfrag_t, realm> realms;
-
-  int get_from() { return from; }
-
-  MCacheExpire() : Message(MSG_MDS_CACHEEXPIRE), from(-1) {}
-  MCacheExpire(int f) : 
-    Message(MSG_MDS_CACHEEXPIRE),
-    from(f) { }
-private:
-  ~MCacheExpire() override {}
-
-public:
-  const char *get_type_name() const override { return "cache_expire";}
-  
-  void add_inode(dirfrag_t r, vinodeno_t vino, unsigned nonce) {
-    realms[r].inodes[vino] = nonce;
-  }
-  void add_dir(dirfrag_t r, dirfrag_t df, unsigned nonce) {
-    realms[r].dirs[df] = nonce;
-  }
-  void add_dentry(dirfrag_t r, dirfrag_t df, const string& dn, snapid_t last, unsigned nonce) {
-    realms[r].dentries[df][pair<string,snapid_t>(dn,last)] = nonce;
-  }
-
-  void add_realm(dirfrag_t df, realm& r) {
-    if (realms.count(df) == 0)
-      realms[df] = r;
-    else
-      realms[df].merge(r);
-  }
-
-  void decode_payload() override {
-    bufferlist::iterator p = payload.begin();
-    ::decode(from, p);
-    ::decode(realms, p);
-  }
-    
-  void encode_payload(uint64_t features) override {
-    ::encode(from, payload);
-    ::encode(realms, payload);
-  }
-};
-
-WRITE_CLASS_ENCODER(MCacheExpire::realm)
-
-#endif