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diff --git a/src/mem/ruby/system/PersistentTable.hh b/src/mem/ruby/system/PersistentTable.hh
deleted file mode 100644
index f634c35d1..000000000
--- a/src/mem/ruby/system/PersistentTable.hh
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __MEM_RUBY_SYSTEM_PERSISTENTTABLE_HH__
-#define __MEM_RUBY_SYSTEM_PERSISTENTTABLE_HH__
-
-#include <iostream>
-
-#include "base/hashmap.hh"
-#include "mem/protocol/AccessType.hh"
-#include "mem/ruby/common/Address.hh"
-#include "mem/ruby/common/NetDest.hh"
-#include "mem/ruby/system/MachineID.hh"
-
-class PersistentTableEntry
-{
-  public:
-    PersistentTableEntry() {}
-    void print(std::ostream& out) const {}
-
-    NetDest m_starving;
-    NetDest m_marked;
-    NetDest m_request_to_write;
-};
-
-class PersistentTable
-{
-  public:
-    // Constructors
-    PersistentTable();
-
-    // Destructor
-    ~PersistentTable();
-
-    // Public Methods
-    void persistentRequestLock(const Address& address, MachineID locker,
-                               AccessType type);
-    void persistentRequestUnlock(const Address& address, MachineID unlocker);
-    bool okToIssueStarving(const Address& address, MachineID machID) const;
-    MachineID findSmallest(const Address& address) const;
-    AccessType typeOfSmallest(const Address& address) const;
-    void markEntries(const Address& address);
-    bool isLocked(const Address& addr) const;
-    int countStarvingForAddress(const Address& addr) const;
-    int countReadStarvingForAddress(const Address& addr) const;
-
-    void print(std::ostream& out) const;
-
-  private:
-    // Private copy constructor and assignment operator
-    PersistentTable(const PersistentTable& obj);
-    PersistentTable& operator=(const PersistentTable& obj);
-
-    // Data Members (m_prefix)
-    typedef m5::hash_map<Address, PersistentTableEntry> AddressMap;
-    AddressMap m_map;
-};
-
-inline std::ostream&
-operator<<(std::ostream& out, const PersistentTable& obj)
-{
-    obj.print(out);
-    out << std::flush;
-    return out;
-}
-
-inline std::ostream&
-operator<<(std::ostream& out, const PersistentTableEntry& obj)
-{
-    obj.print(out);
-    out << std::flush;
-    return out;
-}
-
-#endif // __MEM_RUBY_SYSTEM_PERSISTENTTABLE_HH__