diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h b/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h
index ba6a4e3758..4974e92af6 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/core/parallel/table_exchange.h
@@ -49,8 +49,6 @@ class TableExchange {
 
     std::vector< typename TableType::OldFromNewIndexType *> old_from_new_cache_;
 
-    std::vector<int *> new_from_old_cache_;
-
     /** @brief The circular buffer that acts as the cache of received
      *         subtables.
      */
@@ -118,11 +116,9 @@ class TableExchange {
         if(old_from_new_cache_[i] != NULL) {
           if(core::table::global_m_file_) {
             core::table::global_m_file_->DestroyPtr(old_from_new_cache_[i]);
-            core::table::global_m_file_->DestroyPtr(new_from_old_cache_[i]);
           }
           else {
             delete[](old_from_new_cache_[i]);
-            delete[](new_from_old_cache_[i]);
           }
         }
       }
@@ -163,7 +159,6 @@ class TableExchange {
       // Preallocate the point cache.
       point_cache_.resize(world.size());
       old_from_new_cache_.resize(world.size());
-      new_from_old_cache_.resize(world.size());
       received_subtables_.resize(world.size());
       for(int i = 0; i < world.size(); i++) {
         received_subtables_[i].set_capacity(subtable_cache_size_per_process);
@@ -180,16 +175,9 @@ class TableExchange {
             typename TableType::OldFromNewIndexType > (
               distributed_table.local_n_entries(i)) :
             new OldFromNewIndexType[ distributed_table.local_n_entries(i)];
-          new_from_old_cache_[i] =
-            (core::table::global_m_file_) ?
-            core::table::global_m_file_->ConstructArray <
-            int > (
-              distributed_table.local_n_entries(i)) :
-            new int[ distributed_table.local_n_entries(i)];
         }
         else {
           old_from_new_cache_[i] = NULL;
-          new_from_old_cache_[i] = NULL;
         }
       }
     }
@@ -256,7 +244,7 @@ class TableExchange {
           if(receive_requests[j].size() > 0) {
             received_subtables_in_this_round[j].push_back(
               j, point_cache_[j], old_from_new_cache_[j],
-              new_from_old_cache_[j], max_num_levels_to_serialize);
+              max_num_levels_to_serialize);
           }
         }
 
diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table.h b/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table.h
index dba8dffe7f..aca32e63ac 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table.h
@@ -436,7 +436,6 @@ class SubTable {
     void Init(
       int rank_in, core::table::DenseMatrix &data_alias_in,
       OldFromNewIndexType *old_from_new_alias_in,
-      int *new_from_old_alias_in,
       int max_num_levels_to_serialize_in) {
       table_ = (core::table::global_m_file_) ?
                core::table::global_m_file_->Construct<TableType>() :
@@ -448,7 +447,7 @@ class SubTable {
       table_->set_rank(rank_in);
 
       // Alias the incoming mappings.
-      table_->Alias(old_from_new_alias_in, new_from_old_alias_in);
+      table_->Alias(old_from_new_alias_in, (int *) NULL);
 
       // Finalize the intialization.
       this->Init(table_, (TreeType *) NULL, max_num_levels_to_serialize_in);
diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table_list.h b/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table_list.h
index 2e7bcc31c3..66c4debed4 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table_list.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/core/table/sub_table_list.h
@@ -86,11 +86,10 @@ class SubTableList {
     void push_back(
       int rank_in, core::table::DenseMatrix &data_alias_in,
       OldFromNewIndexType *old_from_new_alias_in,
-      int *new_from_old_alias_in,
       int max_num_levels_to_serialize_in) {
       list_.resize(list_.size() + 1);
       list_[list_.size() - 1].Init(
-        rank_in, data_alias_in, old_from_new_alias_in, new_from_old_alias_in,
+        rank_in, data_alias_in, old_from_new_alias_in,
         max_num_levels_to_serialize_in);
     }