diff --git a/DRAMSys/traceAnalyzer/tracefiletab.cpp b/DRAMSys/traceAnalyzer/tracefiletab.cpp
index db6d3f62..80da307a 100644
--- a/DRAMSys/traceAnalyzer/tracefiletab.cpp
+++ b/DRAMSys/traceAnalyzer/tracefiletab.cpp
@@ -133,8 +133,6 @@ void TraceFileTab::setUpTraceplotScrollbar()
 
 void TraceFileTab::initNavigatorAndItsDependentWidgets(QString path)
 {
-    navigator = new TraceNavigator(path, commentModel, this);
-
     ui->traceplot->init(navigator, ui->traceplotScrollbar, commentModel);
 
     ui->traceScroller->init(navigator, ui->traceplot);