diff --git a/src/mem/ruby/system/Sequencer.cc b/src/mem/ruby/system/Sequencer.cc
index 980152589..0950741dc 100644
--- a/src/mem/ruby/system/Sequencer.cc
+++ b/src/mem/ruby/system/Sequencer.cc
@@ -628,127 +628,23 @@ void Sequencer::hitCallback(const CacheMsg& request, DataBlock& data, GenericMac
 }
 
 void Sequencer::readConflictCallback(const Address& address) {
-  // process oldest thread first
-  int thread = -1;
-  Time oldest_time = 0;
-  int smt_threads = RubyConfig::numberofSMTThreads();
-  for(int t=0; t < smt_threads; ++t){
-    if(m_readRequestTable_ptr[t]->exist(address)){
-      CacheMsg & request = m_readRequestTable_ptr[t]->lookup(address);
-      if(thread == -1 || (request.getTime() < oldest_time) ){
-        thread = t;
-        oldest_time = request.getTime();
-      }
-    }
-  }
-  // make sure we found an oldest thread
-  ASSERT(thread != -1);
-
-  CacheMsg & request = m_readRequestTable_ptr[thread]->lookup(address);
-
-  readConflictCallback(address, GenericMachineType_NULL, thread);
+  std::cout << __FILE__ << "(" << __LINE__ << "): Not implemented. " << std::endl;
 }
 
 void Sequencer::readConflictCallback(const Address& address, GenericMachineType respondingMach, int thread) {
-  assert(address == line_address(address));
-  assert(m_readRequestTable_ptr[thread]->exist(line_address(address)));
-
-  CacheMsg request = m_readRequestTable_ptr[thread]->lookup(address);
-  assert( request.getThreadID() == thread );
-  removeRequest(request);
-
-  assert((request.getType() == CacheRequestType_LD) ||
-         (request.getType() == CacheRequestType_LD_XACT) ||
-         (request.getType() == CacheRequestType_IFETCH)
-         );
-
-  conflictCallback(request, respondingMach, thread);
+  std::cout << __FILE__ << "(" << __LINE__ << "): Not implemented. " << std::endl;
 }
 
 void Sequencer::writeConflictCallback(const Address& address) {
-  // process oldest thread first
-  int thread = -1;
-  Time oldest_time = 0;
-  int smt_threads = RubyConfig::numberofSMTThreads();
-  for(int t=0; t < smt_threads; ++t){
-    if(m_writeRequestTable_ptr[t]->exist(address)){
-      CacheMsg & request = m_writeRequestTable_ptr[t]->lookup(address);
-      if(thread == -1 || (request.getTime() < oldest_time) ){
-        thread = t;
-        oldest_time = request.getTime();
-      }
-    }
-  }
-  // make sure we found an oldest thread
-  ASSERT(thread != -1);
-
-  CacheMsg & request = m_writeRequestTable_ptr[thread]->lookup(address);
-
-  writeConflictCallback(address, GenericMachineType_NULL, thread);
+  std::cout << __FILE__ << "(" << __LINE__ << "): Not implemented. " << std::endl;
 }
 
 void Sequencer::writeConflictCallback(const Address& address, GenericMachineType respondingMach, int thread) {
-  assert(address == line_address(address));
-  assert(m_writeRequestTable_ptr[thread]->exist(line_address(address)));
-  CacheMsg request = m_writeRequestTable_ptr[thread]->lookup(address);
-  assert( request.getThreadID() == thread);
-  removeRequest(request);
-
-  assert((request.getType() == CacheRequestType_ST) ||
-         (request.getType() == CacheRequestType_ST_XACT) ||
-         (request.getType() == CacheRequestType_LDX_XACT) ||
-         (request.getType() == CacheRequestType_ATOMIC));
-
-  conflictCallback(request, respondingMach, thread);
-
+  std::cout << __FILE__ << "(" << __LINE__ << "): Not implemented. " << std::endl;
 }
 
 void Sequencer::conflictCallback(const CacheMsg& request, GenericMachineType respondingMach, int thread) {
-  assert(XACT_MEMORY);
-  int size = request.getSize();
-  Address request_address = request.getAddress();
-  Address request_logical_address = request.getLogicalAddress();
-  Address request_line_address = line_address(request_address);
-  CacheRequestType type = request.getType();
-  int threadID = request.getThreadID();
-  Time issued_time = request.getTime();
-  int logical_proc_no = ((m_chip_ptr->getID() * RubyConfig::numberOfProcsPerChip()) + m_version) * RubyConfig::numberofSMTThreads() + threadID;
-
-  DEBUG_MSG(SEQUENCER_COMP, MedPrio, size);
-
-  assert(g_eventQueue_ptr->getTime() >= issued_time);
-  Time miss_latency = g_eventQueue_ptr->getTime() - issued_time;
-
-  if (PROTOCOL_DEBUG_TRACE) {
-    g_system_ptr->getProfiler()->profileTransition("Seq", (m_chip_ptr->getID()*RubyConfig::numberOfProcsPerChip()+m_version), -1, request.getAddress(), "", "Conflict", "",
-                                                   int_to_string(miss_latency)+" cycles "+GenericMachineType_to_string(respondingMach)+" "+CacheRequestType_to_string(request.getType())+" "+PrefetchBit_to_string(request.getPrefetch()));
-  }
-
-  DEBUG_MSG(SEQUENCER_COMP, MedPrio, request_address);
-  DEBUG_MSG(SEQUENCER_COMP, MedPrio, request.getPrefetch());
-  if (request.getPrefetch() == PrefetchBit_Yes) {
-    DEBUG_MSG(SEQUENCER_COMP, MedPrio, "return");
-    g_system_ptr->getProfiler()->swPrefetchLatency(miss_latency, type, respondingMach);
-    return; // Ignore the software prefetch, don't callback the driver
-  }
-
-  bool write =
-    (type == CacheRequestType_ST) ||
-    (type == CacheRequestType_ST_XACT) ||
-    (type == CacheRequestType_LDX_XACT) ||
-    (type == CacheRequestType_ATOMIC);
-
-  // Copy the correct bytes out of the cache line into the subblock
-  SubBlock subblock(request_address, request_logical_address, size);
-
-  // Call into the Driver
-  g_system_ptr->getDriver()->conflictCallback(m_chip_ptr->getID()*RubyConfig::numberOfProcsPerChip()+m_version, subblock, type, threadID);
-
-  // If the request was a Store or Atomic, apply the changes in the SubBlock to the DataBlock
-  // (This is only triggered for the non-TSO case)
-  if (write) {
-    assert(!TSO);
-  }
+  std::cout << __FILE__ << "(" << __LINE__ << "): Not implemented. " << std::endl;
 }
 
 void Sequencer::printDebug(){
diff --git a/src/mem/ruby/system/Sequencer.hh b/src/mem/ruby/system/Sequencer.hh
index f4cc03131..63e02817f 100644
--- a/src/mem/ruby/system/Sequencer.hh
+++ b/src/mem/ruby/system/Sequencer.hh
@@ -83,6 +83,13 @@ public:
   CacheMsg & getReadRequest( const Address & addr, int thread );
   CacheMsg & getWriteRequest( const Address & addr, int thread );
 
+  // called by Ruby when transaction completes
+  void writeConflictCallback(const Address& address);
+  void readConflictCallback(const Address& address);
+  void writeConflictCallback(const Address& address, GenericMachineType respondingMach, int thread);
+  void readConflictCallback(const Address& address, GenericMachineType respondingMach, int thread);
+  void conflictCallback(const CacheMsg& request, GenericMachineType respondingMach, int thread);
+
   void writeCallback(const Address& address, DataBlock& data);
   void readCallback(const Address& address, DataBlock& data);
   void writeCallback(const Address& address);