diff --git a/app/src/Main.cpp b/app/src/Main.cpp
index 9c2f426..9cde88d 100644
--- a/app/src/Main.cpp
+++ b/app/src/Main.cpp
@@ -28,6 +28,10 @@
 #include <Plugin/PluginManager.h>
 #include <QDir>
 
+#include <QLoggingCategory>
+
+Q_LOGGING_CATEGORY(LOG_Main, "Main")
+
 namespace {
 
 /// Name of the directory containing the plugins
@@ -66,8 +70,7 @@ int main(int argc, char *argv[])
     }
 #endif
 #endif
-    qCDebug(LOG_PluginManager())
-        << QObject::tr("Plugin directory: %1").arg(pluginDir.absolutePath());
+    qCDebug(LOG_Main()) << QObject::tr("Plugin directory: %1").arg(pluginDir.absolutePath());
 
     PluginManager pluginManager{};
     pluginManager.loadPlugins(pluginDir);
diff --git a/app/src/MainWindow.cpp b/app/src/MainWindow.cpp
index 9b306a3..b2f2078 100644
--- a/app/src/MainWindow.cpp
+++ b/app/src/MainWindow.cpp
@@ -41,18 +41,6 @@
 #include <QToolButton>
 #include <memory.h>
 
-//#include <omp.h>
-//#include <network/filedownloader.h>
-//#include <qlopdatabase.h>
-//#include <qlopsettings.h>
-//#include <qlopgui.h>
-//#include <spacedata.h>
-//#include "qlopcore.h"
-//#include "qlopcodecmanager.h"
-//#include "cdfcodec.h"
-//#include "amdatxtcodec.h"
-//#include <qlopplotmanager.h>
-
 #include "iostream"
 
 Q_LOGGING_CATEGORY(LOG_MainWindow, "MainWindow")
@@ -207,55 +195,12 @@ MainWindow::MainWindow(QWidget *parent)
         SIGNAL(tableMenuAboutToBeDisplayed(QMenu *, const QVector<std::shared_ptr<Variable> > &)),
         m_Ui->view, SLOT(attachVariableMenu(QMenu *, const QVector<std::shared_ptr<Variable> > &)),
         Qt::DirectConnection);
-
-    /*    QLopGUI::registerMenuBar(menuBar());
-        this->setWindowIcon(QIcon(":/sciqlopLOGO.svg"));
-        this->m_progressWidget = new QWidget();
-        this->m_progressLayout = new QVBoxLayout(this->m_progressWidget);
-        this->m_progressWidget->setLayout(this->m_progressLayout);
-        this->m_progressWidget->setWindowModality(Qt::WindowModal);
-        m_progressThreadIds = (int*) malloc(OMP_THREADS*sizeof(int));
-        for(int i=0;i<OMP_THREADS;i++)
-        {
-            this->m_progress.append(new QProgressBar(this->m_progressWidget));
-            this->m_progress.last()->setMinimum(0);
-            this->m_progress.last()->setMaximum(100);
-            this->m_progressLayout->addWidget(this->m_progress.last());
-            this->m_progressWidget->hide();
-            this->m_progressThreadIds[i] = -1;
-        }
-        this->m_progressWidget->setWindowTitle("Loading File");
-        const QList<QLopService*>ServicesToLoad=QList<QLopService*>()
-                << QLopCore::self()
-                << QLopPlotManager::self()
-                << QLopCodecManager::self()
-                << FileDownloader::self()
-                << QLopDataBase::self()
-                << SpaceData::self();
-
-        CDFCodec::registerToManager();
-        AMDATXTCodec::registerToManager();
-
-
-        for(int i=0;i<ServicesToLoad.count();i++)
-        {
-            qDebug()<<ServicesToLoad.at(i)->serviceName();
-            ServicesToLoad.at(i)->initialize(); //must be called before getGUI
-            QDockWidget* wdgt=ServicesToLoad.at(i)->getGUI();
-            if(wdgt)
-            {
-                wdgt->setAllowedAreas(Qt::AllDockWidgetAreas);
-                this->addDockWidget(Qt::TopDockWidgetArea,wdgt);
-            }
-            PythonQt::self()->getMainModule().addObject(ServicesToLoad.at(i)->serviceName(),(QObject*)ServicesToLoad.at(i));
-        }*/
 }
 
 MainWindow::~MainWindow()
 {
 }
 
-
 void MainWindow::changeEvent(QEvent *e)
 {
     QMainWindow::changeEvent(e);
diff --git a/core/include/Variable/VariableCacheController.h b/core/include/Variable/VariableCacheController.h
index 7830d0a..3ddf33e 100644
--- a/core/include/Variable/VariableCacheController.h
+++ b/core/include/Variable/VariableCacheController.h
@@ -14,9 +14,6 @@ Q_DECLARE_LOGGING_CATEGORY(LOG_VariableCacheController)
 
 class Variable;
 
-Q_DECLARE_LOGGING_CATEGORY(LOG_VariableCacheController)
-
-
 /// This class aims to store in the cache all of the dateTime already requested to the variable.
 class VariableCacheController : public QObject {
     Q_OBJECT
diff --git a/gui/src/Visualization/VisualizationGraphWidget.cpp b/gui/src/Visualization/VisualizationGraphWidget.cpp
index bf903ae..1cf0265 100644
--- a/gui/src/Visualization/VisualizationGraphWidget.cpp
+++ b/gui/src/Visualization/VisualizationGraphWidget.cpp
@@ -251,7 +251,7 @@ void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange
                 if (variable->contains(variableDateTimeWithTolerance)) {
                     qCDebug(LOG_VisualizationGraphWidget())
                         << tr("TORM: Detection zoom in that need request:");
-                    // add 10% tolerance for each side
+                    // add tolerance for each side
                     tolerance
                         = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart);
                     variableDateTimeWithTolerance.m_TStart -= tolerance;
@@ -286,7 +286,7 @@ void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange
             }
             else {
                 qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: Detection zoom out: ");
-                // add 10% tolerance for each side
+                // add tolerance for each side
                 tolerance = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart);
                 variableDateTimeWithTolerance.m_TStart -= tolerance;
                 variableDateTimeWithTolerance.m_TEnd += tolerance;
diff --git a/plugins/amda/src/AmdaProvider.cpp b/plugins/amda/src/AmdaProvider.cpp
index 6191106..196ccc9 100644
--- a/plugins/amda/src/AmdaProvider.cpp
+++ b/plugins/amda/src/AmdaProvider.cpp
@@ -39,8 +39,7 @@ QString dateFormat(double sqpDateTime) noexcept
 
 AmdaProvider::AmdaProvider()
 {
-    qCDebug(LOG_NetworkController()) << tr("AmdaProvider::AmdaProvider")
-                                     << QThread::currentThread();
+    qCDebug(LOG_AmdaProvider()) << tr("AmdaProvider::AmdaProvider") << QThread::currentThread();
     if (auto app = sqpApp) {
         auto &networkController = app->networkController();
         connect(this, SIGNAL(requestConstructed(QNetworkRequest, QUuid,