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diff --git a/src/mem/ruby/system/StoreBuffer.hh b/src/mem/ruby/system/StoreBuffer.hh
deleted file mode 100644
index 2c9283f4b..000000000
--- a/src/mem/ruby/system/StoreBuffer.hh
+++ /dev/null
@@ -1,121 +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.
- */
-
-/*
- * $Id$
- *
- * Description:
- *
- */
-
-#ifndef StoreBuffer_H
-#define StoreBuffer_H
-
-#include "mem/ruby/common/Global.hh"
-#include "mem/ruby/common/Consumer.hh"
-#include "mem/ruby/common/Address.hh"
-#include "mem/protocol/AccessModeType.hh"
-#include "mem/protocol/CacheRequestType.hh"
-#include "mem/ruby/system/StoreCache.hh"
-
-class CacheMsg;
-class DataBlock;
-class SubBlock;
-class StoreBufferEntry;
-class AbstractChip;
-class Packet;
-
-template <class TYPE> class Vector;
-
-class StoreBuffer : public Consumer {
-public:
-  // Constructors
-  StoreBuffer(AbstractChip* chip_ptr, int version);
-
-  // Destructor
-  ~StoreBuffer();
-
-  // Public Methods
-  void wakeup(); // Used only for deadlock detection
-  void callBack(const Address& addr, DataBlock& data, Packet* pkt);
-  void insertStore(Packet* pkt, const CacheMsg& request);
-  void updateSubBlock(SubBlock& sub_block) const { m_store_cache.update(sub_block); }
-  bool trySubBlock(const SubBlock& sub_block) const { assert(isReady()); return m_store_cache.check(sub_block); }
-  void print(ostream& out) const;
-  bool isEmpty() const { return (m_size == 0); }
-  bool isReady() const;
-
-  // Class methods
-  static void printConfig(ostream& out);
-
-private:
-  // Private Methods
-  void processHeadOfQueue();
-
-  StoreBufferEntry& peek();
-  void dequeue();
-  void enqueue(const StoreBufferEntry& entry);
-  StoreBufferEntry& getEntry(int index);
-
-  // Private copy constructor and assignment operator
-  StoreBuffer(const StoreBuffer& obj);
-  StoreBuffer& operator=(const StoreBuffer& obj);
-
-  // Data Members (m_ prefix)
-  int m_version;
-
-  Vector<StoreBufferEntry>* m_queue_ptr;
-  int m_head;
-  int m_tail;
-  int m_size;
-
-  StoreCache m_store_cache;
-
-  AbstractChip* m_chip_ptr;
-  bool m_pending;
-  Address m_pending_address;
-  bool m_seen_atomic;
-  bool m_deadlock_check_scheduled;
-};
-
-// Output operator declaration
-ostream& operator<<(ostream& out, const StoreBuffer& obj);
-
-// ******************* Definitions *******************
-
-// Output operator definition
-extern inline
-ostream& operator<<(ostream& out, const StoreBuffer& obj)
-{
-  obj.print(out);
-  out << flush;
-  return out;
-}
-
-#endif //StoreBuffer_H