diff --git a/DRAMSys/traceAnalyzer/data/tracedb.cpp b/DRAMSys/traceAnalyzer/data/tracedb.cpp
index 29dcc652..3d32946b 100644
--- a/DRAMSys/traceAnalyzer/data/tracedb.cpp
+++ b/DRAMSys/traceAnalyzer/data/tracedb.cpp
@@ -173,29 +173,29 @@ shared_ptr<Transaction> TraceDB::getNextPrecharge(ID currentTransactionId)
     return parseTransactionFromQuery(query);
 }
 
-shared_ptr<Transaction> TraceDB::getNextActb(ID currentTransactionId)
-{
-    QSqlQuery query(database);
-    QString queryText = queryTexts.queryHead +
-                        "WHERE TransactionID > :currentID AND PhaseName = 'ACTB' LIMIT 1";
+// shared_ptr<Transaction> TraceDB::getNextActb(ID currentTransactionId)
+// {
+//     QSqlQuery query(database);
+//     QString queryText = queryTexts.queryHead +
+//                         "WHERE TransactionID > :currentID AND PhaseName = 'ACTB' LIMIT 1";
+//
+//     query.prepare(queryText);
+//     query.bindValue(":currentID", currentTransactionId);
+//     executeQuery(query);
+//     return parseTransactionFromQuery(query);
+// }
 
-    query.prepare(queryText);
-    query.bindValue(":currentID", currentTransactionId);
-    executeQuery(query);
-    return parseTransactionFromQuery(query);
-}
-
-shared_ptr<Transaction> TraceDB::getNextPreb(ID currentTransactionId)
-{
-    QSqlQuery query(database);
-    QString queryText = queryTexts.queryHead +
-                        "WHERE TransactionID > :currentID AND PhaseName = 'PREB' LIMIT 1";
-
-    query.prepare(queryText);
-    query.bindValue(":currentID", currentTransactionId);
-    executeQuery(query);
-    return parseTransactionFromQuery(query);
-}
+// shared_ptr<Transaction> TraceDB::getNextPreb(ID currentTransactionId)
+// {
+//     QSqlQuery query(database);
+//     QString queryText = queryTexts.queryHead +
+//                         "WHERE TransactionID > :currentID AND PhaseName = 'PREB' LIMIT 1";
+//
+//     query.prepare(queryText);
+//     query.bindValue(":currentID", currentTransactionId);
+//     executeQuery(query);
+//     return parseTransactionFromQuery(query);
+// }
 
 shared_ptr<Transaction> TraceDB::getNextRefresh(ID currentTransactionId)
 {
@@ -208,17 +208,17 @@ shared_ptr<Transaction> TraceDB::getNextRefresh(ID currentTransactionId)
     return parseTransactionFromQuery(query);
 }
 
-shared_ptr<Transaction> TraceDB::getNextRefb(ID currentTransactionId)
-{
-    QSqlQuery query(database);
-    QString queryText = queryTexts.queryHead +
-                        "WHERE TransactionID > :currentID AND PhaseName = 'REFB' LIMIT 1";
-
-    query.prepare(queryText);
-    query.bindValue(":currentID", currentTransactionId);
-    executeQuery(query);
-    return parseTransactionFromQuery(query);
-}
+// shared_ptr<Transaction> TraceDB::getNextRefb(ID currentTransactionId)
+// {
+//     QSqlQuery query(database);
+//     QString queryText = queryTexts.queryHead +
+//                         "WHERE TransactionID > :currentID AND PhaseName = 'REFB' LIMIT 1";
+//
+//     query.prepare(queryText);
+//     query.bindValue(":currentID", currentTransactionId);
+//     executeQuery(query);
+//     return parseTransactionFromQuery(query);
+// }
 
 ID TraceDB::getTransactionIDFromPhaseID(ID phaseID)
 {
diff --git a/DRAMSys/traceAnalyzer/data/tracedb.h b/DRAMSys/traceAnalyzer/data/tracedb.h
index f5f5ba56..74c0176e 100644
--- a/DRAMSys/traceAnalyzer/data/tracedb.h
+++ b/DRAMSys/traceAnalyzer/data/tracedb.h
@@ -89,9 +89,9 @@ public:
     std::shared_ptr<Transaction> getNextPrecharge(ID currentTransactionId);
     std::shared_ptr<Transaction> getNextActivate(ID currentTransactionId);
     std::shared_ptr<Transaction> getNextRefresh(ID currentTransactionId);
-    std::shared_ptr<Transaction> getNextPreb(ID currentTransactionId);
-    std::shared_ptr<Transaction> getNextActb(ID currentTransactionId);
-    std::shared_ptr<Transaction> getNextRefb(ID currentTransactionId);
+//     std::shared_ptr<Transaction> getNextPreb(ID currentTransactionId);
+//     std::shared_ptr<Transaction> getNextActb(ID currentTransactionId);
+//     std::shared_ptr<Transaction> getNextRefb(ID currentTransactionId);
 
 
     std::shared_ptr<Transaction> getTransactionByID(ID id);
diff --git a/DRAMSys/traceAnalyzer/presentation/tracenavigator.cpp b/DRAMSys/traceAnalyzer/presentation/tracenavigator.cpp
index 86ea4bc1..592601b5 100644
--- a/DRAMSys/traceAnalyzer/presentation/tracenavigator.cpp
+++ b/DRAMSys/traceAnalyzer/presentation/tracenavigator.cpp
@@ -241,45 +241,45 @@ void TraceNavigator::selectNextPrecharge()
         selectTransaction(nextPrecharge);
 }
 
-void TraceNavigator::selectNextActb()
-{
-    shared_ptr<Transaction> nextActb;
-
-    if (!SelectedTransactions().empty())
-        nextActb = traceFile.getNextActb(SelectedTransactions().front()->id);
-    else
-        nextActb = traceFile.getNextActb(0);
-
-    if (nextActb)
-        selectTransaction(nextActb);
-}
-
-void TraceNavigator::selectNextPreb()
-{
-    shared_ptr<Transaction> nextPreb;
-
-    if (!SelectedTransactions().empty())
-        nextPreb = traceFile.getNextPreb(
-                       SelectedTransactions().front()->id);
-    else
-        nextPreb = traceFile.getNextPreb(0);
-
-    if (nextPreb)
-        selectTransaction(nextPreb);
-}
-
-void TraceNavigator::selectNextRefb()
-{
-    shared_ptr<Transaction> n;
-
-    if (!SelectedTransactions().empty())
-        n = traceFile.getNextRefb(SelectedTransactions().front()->id);
-    else
-        n = traceFile.getNextRefb(0);
-
-    if (n)
-        selectTransaction(n);
-}
+// void TraceNavigator::selectNextActb()
+// {
+//     shared_ptr<Transaction> nextActb;
+//
+//     if (!SelectedTransactions().empty())
+//         nextActb = traceFile.getNextActb(SelectedTransactions().front()->id);
+//     else
+//         nextActb = traceFile.getNextActb(0);
+//
+//     if (nextActb)
+//         selectTransaction(nextActb);
+// }
+//
+// void TraceNavigator::selectNextPreb()
+// {
+//     shared_ptr<Transaction> nextPreb;
+//
+//     if (!SelectedTransactions().empty())
+//         nextPreb = traceFile.getNextPreb(
+//                        SelectedTransactions().front()->id);
+//     else
+//         nextPreb = traceFile.getNextPreb(0);
+//
+//     if (nextPreb)
+//         selectTransaction(nextPreb);
+// }
+//
+// void TraceNavigator::selectNextRefb()
+// {
+//     shared_ptr<Transaction> n;
+//
+//     if (!SelectedTransactions().empty())
+//         n = traceFile.getNextRefb(SelectedTransactions().front()->id);
+//     else
+//         n = traceFile.getNextRefb(0);
+//
+//     if (n)
+//         selectTransaction(n);
+// }
 
 bool TraceNavigator::transactionIsSelected(const shared_ptr<Transaction>
                                            &transaction) const
diff --git a/DRAMSys/traceAnalyzer/presentation/traceplot.cpp b/DRAMSys/traceAnalyzer/presentation/traceplot.cpp
index ebc67c39..5636ff39 100644
--- a/DRAMSys/traceAnalyzer/presentation/traceplot.cpp
+++ b/DRAMSys/traceAnalyzer/presentation/traceplot.cpp
@@ -114,23 +114,23 @@ void TracePlot::setUpActions()
     QObject::connect(selectNextPrecharge, SIGNAL(triggered()), this,
                      SLOT(on_selectNextPrecharge()));
 
-    selectNextActb = new QAction("Select next atcb", this);
-    selectNextActb->setShortcut(QKeySequence("alt+b"));
-    addAction(selectNextActb);
-    QObject::connect(selectNextActb, SIGNAL(triggered()), this,
-                     SLOT(on_selectNextActb()));
-
-    selectNextPreb = new QAction("Select next preb", this);
-    selectNextPreb->setShortcut(QKeySequence("alt+q"));
-    addAction(selectNextPreb);
-    QObject::connect(selectNextPreb, SIGNAL(triggered()), this,
-                     SLOT(on_selectNextPreb()));
-
-    selectNextRefb = new QAction("Select next refb", this);
-    selectNextRefb->setShortcut(QKeySequence("alt+s"));
-    addAction(selectNextRefb);
-    QObject::connect(selectNextRefb, SIGNAL(triggered()), this,
-                     SLOT(on_selectNextRefb()));
+//     selectNextActb = new QAction("Select next atcb", this);
+//     selectNextActb->setShortcut(QKeySequence("alt+b"));
+//     addAction(selectNextActb);
+//     QObject::connect(selectNextActb, SIGNAL(triggered()), this,
+//                      SLOT(on_selectNextActb()));
+//
+//     selectNextPreb = new QAction("Select next preb", this);
+//     selectNextPreb->setShortcut(QKeySequence("alt+q"));
+//     addAction(selectNextPreb);
+//     QObject::connect(selectNextPreb, SIGNAL(triggered()), this,
+//                      SLOT(on_selectNextPreb()));
+//
+//     selectNextRefb = new QAction("Select next refb", this);
+//     selectNextRefb->setShortcut(QKeySequence("alt+s"));
+//     addAction(selectNextRefb);
+//     QObject::connect(selectNextRefb, SIGNAL(triggered()), this,
+//                      SLOT(on_selectNextRefb()));
 
     setColorGroupingPhase = new QAction("Group by Phase", this);
     addAction(setColorGroupingPhase);
@@ -169,7 +169,7 @@ void TracePlot::setUpContextMenu()
     contextMenu->addMenu(goToSubMenu);
 
     QMenu *selectSubMenu = new QMenu("Select", contextMenu);
-    selectSubMenu->addActions({selectNextRefresh, selectNextActivate, selectNextPrecharge, selectNextActb, selectNextPreb, selectNextRefb});
+    selectSubMenu->addActions({selectNextRefresh, selectNextActivate, selectNextPrecharge /*, selectNextActb, selectNextPreb, selectNextRefb */});
     contextMenu->addMenu(selectSubMenu);
 
     contextMenu->addActions({showQueryEditor, insertComment, exportToPdf});
@@ -440,20 +440,20 @@ void TracePlot::on_selectNextPrecharge()
     navigator->selectNextPrecharge();
 }
 
-void TracePlot::on_selectNextActb()
-{
-    navigator->selectNextActb();
-}
-
-void TracePlot::on_selectNextPreb()
-{
-    navigator->selectNextPreb();
-}
-
-void TracePlot::on_selectNextRefb()
-{
-    navigator->selectNextRefb();
-}
+// void TracePlot::on_selectNextActb()
+// {
+//     navigator->selectNextActb();
+// }
+//
+// void TracePlot::on_selectNextPreb()
+// {
+//     navigator->selectNextPreb();
+// }
+//
+// void TracePlot::on_selectNextRefb()
+// {
+//     navigator->selectNextRefb();
+// }
 
 void TracePlot::on_colorGroupingPhase()
 {
diff --git a/DRAMSys/traceAnalyzer/presentation/traceplot.h b/DRAMSys/traceAnalyzer/presentation/traceplot.h
index 3b2f9dc7..9fb4253b 100644
--- a/DRAMSys/traceAnalyzer/presentation/traceplot.h
+++ b/DRAMSys/traceAnalyzer/presentation/traceplot.h
@@ -101,9 +101,9 @@ private Q_SLOTS:
     void on_selectNextRefresh();
     void on_selectNextActivate();
     void on_selectNextPrecharge();
-    void on_selectNextActb();
-    void on_selectNextPreb();
-    void on_selectNextRefb();
+//     void on_selectNextActb();
+//     void on_selectNextPreb();
+//     void on_selectNextRefb();
     void on_colorGroupingPhase();
     void on_colorGroupingTransaction();
     void on_colorGroupingThread();
@@ -168,9 +168,9 @@ private:
     QAction *selectNextRefresh;
     QAction *selectNextActivate;
     QAction *selectNextPrecharge;
-    QAction *selectNextActb;
-    QAction *selectNextPreb;
-    QAction *selectNextRefb;
+//     QAction *selectNextActb;
+//     QAction *selectNextPreb;
+//     QAction *selectNextRefb;
     QAction *setColorGroupingPhase;
     QAction *setColorGroupingTransaction;
     QAction *setColorGroupingThread;