diff --git a/GUI/coregui/Views/CommonWidgets/ItemStackPresenter.h b/GUI/coregui/Views/CommonWidgets/ItemStackPresenter.h
index 70fd5f6e2a3a8689a4c46b80bd5950ec0a2502a3..b468103b7cde440f3052c4dcd8e5990b53820034 100644
--- a/GUI/coregui/Views/CommonWidgets/ItemStackPresenter.h
+++ b/GUI/coregui/Views/CommonWidgets/ItemStackPresenter.h
@@ -32,7 +32,7 @@ template <class T> class BA_CORE_API_ ItemStackPresenter : public ItemStackWidge
 public:
     ItemStackPresenter(bool single_widget = false) : m_single_widget(single_widget){}
 
-    virtual void setItem(SessionItem* item, bool& isNew);
+    virtual void setItem(SessionItem* item, bool* isNew = 0);
 
     T* currentWidget();
     T* itemWidget(SessionItem* item);
@@ -48,11 +48,13 @@ private:
 };
 
 template <class T>
-void ItemStackPresenter<T>::setItem(SessionItem* item, bool& isNew)
+void ItemStackPresenter<T>::setItem(SessionItem* item, bool* isNew)
 {
     validateItem(item);
 
-    isNew = false;
+    if(isNew)
+        *isNew = false;
+
     if (!item) {
         hideWidgets();
         return;
@@ -62,7 +64,8 @@ void ItemStackPresenter<T>::setItem(SessionItem* item, bool& isNew)
 
     if (!widget) {
         widget = new T();
-        isNew = true;
+        if(isNew)
+            *isNew = true;
         m_stackedWidget->addWidget(widget);
         m_itemToWidget[item] = widget;
     }
diff --git a/GUI/coregui/Views/CommonWidgets/ItemStackWidget.cpp b/GUI/coregui/Views/CommonWidgets/ItemStackWidget.cpp
index 974d25bafa2b81efd137bf519313ca78bad27ee7..6ec8d3ec427267203cb109e76b4c55c0b5954ec7 100644
--- a/GUI/coregui/Views/CommonWidgets/ItemStackWidget.cpp
+++ b/GUI/coregui/Views/CommonWidgets/ItemStackWidget.cpp
@@ -75,8 +75,7 @@ void ItemStackWidget::onRowsAboutToBeRemoved(const QModelIndex& parent, int firs
 
 void ItemStackWidget::onSelectionChanged(SessionItem* item)
 {
-    bool isNew(false);
-    setItem(item, isNew);
+    setItem(item);
 }
 
 void ItemStackWidget::connectModel()
diff --git a/GUI/coregui/Views/CommonWidgets/ItemStackWidget.h b/GUI/coregui/Views/CommonWidgets/ItemStackWidget.h
index 44ccc45b8738c720b7e180692716d0f6157bdf91..3ece7ff0df0a5537d5297a42c99e15d29794dc9c 100644
--- a/GUI/coregui/Views/CommonWidgets/ItemStackWidget.h
+++ b/GUI/coregui/Views/CommonWidgets/ItemStackWidget.h
@@ -41,7 +41,7 @@ public:
 
     //! Shows the widget for given item (and hides previous one).
     //! If no widget yet exists, it will be created (flag isNew will become 'true' in this case).
-    virtual void setItem(SessionItem* item, bool& isNew) = 0;
+    virtual void setItem(SessionItem* item, bool* isNew = 0) = 0;
 
     QSize sizeHint() const;
     QSize minimumSizeHint() const;
diff --git a/GUI/coregui/Views/FitWidgets/FitActivityPanel.cpp b/GUI/coregui/Views/FitWidgets/FitActivityPanel.cpp
index 0e540dd9baa5b2c517bd996fd5ba4feeb9ce0f97..85c5a606ba00ee11fea3c876c455f0c19dcd79e8 100644
--- a/GUI/coregui/Views/FitWidgets/FitActivityPanel.cpp
+++ b/GUI/coregui/Views/FitWidgets/FitActivityPanel.cpp
@@ -80,7 +80,7 @@ void FitActivityPanel::setItem(JobItem *item)
     }
 
     bool isNew(false);
-    m_stackedWidget->setItem(item, isNew);
+    m_stackedWidget->setItem(item, &isNew);
 
     if(isNew) {
         FitSuiteWidget *widget = m_stackedWidget->currentWidget();
diff --git a/GUI/coregui/Views/ImportDataView.cpp b/GUI/coregui/Views/ImportDataView.cpp
index 2519b6fcc3f6f476a2db3a9aa82c4d6f984d96d6..2866c8c69c97f22e75b75b67b97149039f4348dc 100644
--- a/GUI/coregui/Views/ImportDataView.cpp
+++ b/GUI/coregui/Views/ImportDataView.cpp
@@ -69,7 +69,7 @@ void ImportDataView::onSelectionChanged(SessionItem *item)
     if(!item) return;
 
     bool isNew(false);
-    m_stackedWidget->setItem(item, isNew);
+    m_stackedWidget->setItem(item, &isNew);
     if(isNew) {
 //        RealDataEditorWidget *widget = m_stackedWidget->currentWidget();
         RealDataMaskWidget *widget = m_stackedWidget->currentWidget();
diff --git a/GUI/coregui/Views/InstrumentView.cpp b/GUI/coregui/Views/InstrumentView.cpp
index 4144d1e393a6ae1e30ab937093d272dd2579954e..77941df32510edc52557d5dcd8587f8a4dfc6382 100644
--- a/GUI/coregui/Views/InstrumentView.cpp
+++ b/GUI/coregui/Views/InstrumentView.cpp
@@ -28,14 +28,12 @@
 #include <QListView>
 #include <QStackedWidget>
 #include <QToolButton>
-#include <QDebug>
 
 InstrumentView::InstrumentView(MainWindow *mainWindow)
     : QWidget(mainWindow)
     , m_instrumentModel(mainWindow->instrumentModel())
     , m_toolBar(new StyledToolBar(this))
     , m_instrumentSelector(new InstrumentSelectorWidget(m_instrumentModel, this))
-//    , m_instrumentEditor(new InstrumentEditorWidget)
     , m_instrumentEditor(new ItemStackPresenter<InstrumentEditorWidget>(true))
     , m_addInstrumentAction(0)
     , m_removeInstrumentAction(0)
@@ -89,15 +87,10 @@ void InstrumentView::onExtendedDetectorEditorRequest(DetectorItem *detectorItem)
 
 void InstrumentView::onItemSelectionChanged(SessionItem* instrumentItem)
 {
-    qDebug() << "InstrumentView::onItemSelectionChanged";
-    bool isNew;
-    m_instrumentEditor->setItem(instrumentItem, isNew);
+    m_instrumentEditor->setItem(instrumentItem);
 
-    qDebug() << "AAAA isNew" << isNew << "instrumentItem" << instrumentItem << "widget" << m_instrumentEditor->currentWidget();
-    if(instrumentItem) qDebug() << "          " << instrumentItem->itemName();
-    if(InstrumentEditorWidget* widget = m_instrumentEditor->currentWidget())
+    if(auto widget = m_instrumentEditor->currentWidget())
         widget->setInstrumentItem(instrumentItem);
-//    m_instrumentEditor->setInstrumentItem(instrumentItem);
 }
 
 void InstrumentView::showEvent(QShowEvent*)
diff --git a/GUI/coregui/Views/InstrumentView.h b/GUI/coregui/Views/InstrumentView.h
index ff8861d4322b5b88bd76fcdc87e48494a7e56e52..5f4685accafb7a2f0e2d0ac4833ff63dacfdc810 100644
--- a/GUI/coregui/Views/InstrumentView.h
+++ b/GUI/coregui/Views/InstrumentView.h
@@ -59,7 +59,6 @@ private:
     class StyledToolBar *m_toolBar;
     InstrumentSelectorWidget *m_instrumentSelector;
 
-//    InstrumentEditorWidget* m_instrumentEditor;
     ItemStackPresenter<InstrumentEditorWidget> *m_instrumentEditor;
 
     QAction *m_addInstrumentAction;
diff --git a/GUI/coregui/Views/JobWidgets/JobOutputDataWidget.cpp b/GUI/coregui/Views/JobWidgets/JobOutputDataWidget.cpp
index d6d2682a25c98c76649ff066ee9170154e83b2db..ac79e19c1f29092e1123881995275a1971d42ca1 100644
--- a/GUI/coregui/Views/JobWidgets/JobOutputDataWidget.cpp
+++ b/GUI/coregui/Views/JobWidgets/JobOutputDataWidget.cpp
@@ -51,7 +51,7 @@ void JobOutputDataWidget::setItem(JobItem * jobItem)
     }
 
     bool isNew(false);
-    m_stackedWidget->setItem(jobItem, isNew);
+    m_stackedWidget->setItem(jobItem, &isNew);
 
     if(isNew) {
         JobResultsPresenter *widget = m_stackedWidget->currentWidget();
diff --git a/GUI/coregui/Views/JobWidgets/JobRealTimeWidget.cpp b/GUI/coregui/Views/JobWidgets/JobRealTimeWidget.cpp
index 62e6dcb221e1db0ba3b9cd184c9a8314e4aa4f29..40886239c056d82ae96c382d7d5b4a9ff77f95a0 100644
--- a/GUI/coregui/Views/JobWidgets/JobRealTimeWidget.cpp
+++ b/GUI/coregui/Views/JobWidgets/JobRealTimeWidget.cpp
@@ -66,7 +66,7 @@ void JobRealTimeWidget::setItem(JobItem * jobItem)
     }
 
     bool isNew(false);
-    m_stackedWidget->setItem(jobItem, isNew);
+    m_stackedWidget->setItem(jobItem, &isNew);
 
     if(isNew) {
         ParameterTuningWidget *widget = m_stackedWidget->currentWidget();