diff --git a/CMakeLists.txt b/CMakeLists.txt
index d3bcc1361..869c59416 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -366,11 +366,6 @@ set(APP_FORMS
   src/gui/formcategorydetails.ui
 )
 
-# Add resources.
-set(APP_RESOURCES
-  resources/rssguard_resources.qrc
-)
-
 # Add translations.
 set(APP_TRANSLATIONS
   localization/rssguard_en.ts
@@ -397,7 +392,6 @@ set(APP_TEXT
 # Wrap files, create moc files.
 if(${USE_QT_5})
   qt5_wrap_ui(APP_UI ${APP_FORMS})
-  qt5_add_resources(APP_RCC ${APP_RESOURCES})
   
   # Load translations.
   if(Qt5LinguistTools_FOUND)
@@ -409,7 +403,6 @@ if(${USE_QT_5})
 else(${USE_QT_5})
   qt4_wrap_cpp(APP_MOC ${APP_HEADERS})
   qt4_wrap_ui(APP_UI ${APP_FORMS})
-  qt4_add_resources(APP_RCC ${APP_RESOURCES})
   
   # Load translations.
   qt4_add_translation(APP_QM ${APP_TRANSLATIONS})
diff --git a/resources/rssguard_resources.qrc b/resources/rssguard_resources.qrc
deleted file mode 100644
index 7646d2b36..000000000
--- a/resources/rssguard_resources.qrc
+++ /dev/null
@@ -1 +0,0 @@
-<RCC/>
diff --git a/src/core/databasefactory.cpp b/src/core/databasefactory.cpp
index 4bebf6fd6..9cdba6e37 100644
--- a/src/core/databasefactory.cpp
+++ b/src/core/databasefactory.cpp
@@ -34,12 +34,12 @@ DatabaseFactory *DatabaseFactory::instance() {
 
 void DatabaseFactory::assemblyDatabaseFilePath()  {
   if (Settings::instance()->type() == Settings::Portable) {
-    m_databasePath = qApp->applicationDirPath() +
+    m_databaseFilePath = qApp->applicationDirPath() +
                      QDir::separator() +
                      QString(APP_DB_PATH);
   }
   else {
-    m_databasePath = QDir::homePath() + QDir::separator() +
+    m_databaseFilePath = QDir::homePath() + QDir::separator() +
                      QString(APP_LOW_H_NAME) + QDir::separator() +
                      QString(APP_DB_PATH);
   }
@@ -298,11 +298,6 @@ QSqlDatabase DatabaseFactory::connection(const QString &connection_name,
   }
 }
 
-void DatabaseFactory::removeConnection(const QString &connection_name) {
-  qDebug("Removing database connection '%s'.", qPrintable(connection_name));
-  QSqlDatabase::removeDatabase(connection_name);
-}
-
 void DatabaseFactory::saveMemoryDatabase() {
   QSqlDatabase database = connection();
   QSqlDatabase file_database = connection(objectName(), false);
diff --git a/src/core/databasefactory.h b/src/core/databasefactory.h
index bddf071d1..971e39037 100644
--- a/src/core/databasefactory.h
+++ b/src/core/databasefactory.h
@@ -15,7 +15,7 @@ class DatabaseFactory : public QObject {
 
     // Returns absolute file path to database file.
     inline QString getDatabasePath() {
-      return m_databasePath;
+      return m_databaseFilePath;
     }
 
     // If in-memory is true, then :memory: database is returned
@@ -25,7 +25,11 @@ class DatabaseFactory : public QObject {
                             bool in_memory = true);
 
     // Removes connection.
-    void removeConnection(const QString &connection_name = QString());
+    inline void removeConnection(const QString &connection_name = QString()) {
+      qDebug("Removing database connection '%s'.", qPrintable(connection_name));
+
+      QSqlDatabase::removeDatabase(connection_name);
+    }
 
     // Performs saving of items from in-memory database
     // to file-based database.
@@ -47,7 +51,7 @@ class DatabaseFactory : public QObject {
     QSqlDatabase initializeFileBasedDatabase(const QString &connection_name);
 
     // Path to database file.
-    QString m_databasePath;
+    QString m_databaseFilePath;
 
     // Is database file initialized?
     bool m_fileBasedinitialized;
diff --git a/src/core/feedsmodel.cpp b/src/core/feedsmodel.cpp
index 785948b0b..483f4ea86 100644
--- a/src/core/feedsmodel.cpp
+++ b/src/core/feedsmodel.cpp
@@ -38,10 +38,6 @@ FeedsModel::~FeedsModel() {
   delete m_rootItem;
 }
 
-QVariant FeedsModel::data(const QModelIndex &index, int role) const {
-  return itemForIndex(index)->data(index.column(), role);
-}
-
 QVariant FeedsModel::headerData(int section,
                                 Qt::Orientation orientation,
                                 int role) const {
@@ -137,14 +133,6 @@ int FeedsModel::rowCount(const QModelIndex &parent) const {
   return parent_item->childCount();
 }
 
-int FeedsModel::countOfAllMessages() const {
-  return m_rootItem->countOfAllMessages();
-}
-
-int FeedsModel::countOfUnreadMessages() const {
-  return m_rootItem->countOfUnreadMessages();
-}
-
 // TODO: přepsat tudle metodu,
 // vim ze to zhruba funguje ale je potreba pridat taky
 // vymazani feedu/kategorie z SQL (pridat metodu do FeedsModelRootItem
@@ -600,10 +588,6 @@ void FeedsModel::assembleFeeds(FeedAssignment feeds) {
   }
 }
 
-FeedsModelRootItem *FeedsModel::rootItem() const {
-  return m_rootItem;
-}
-
 void FeedsModel::assembleCategories(CategoryAssignment categories) {
   QHash<int, FeedsModelRootItem*> assignments;
   assignments.insert(NO_PARENT_CATEGORY, m_rootItem);
diff --git a/src/core/feedsmodel.h b/src/core/feedsmodel.h
index e32640415..e6c6cca2f 100644
--- a/src/core/feedsmodel.h
+++ b/src/core/feedsmodel.h
@@ -4,11 +4,11 @@
 #include <QAbstractItemModel>
 
 #include "core/messagesmodel.h"
+#include "core/feedsmodelrootitem.h"
 
 #include <QIcon>
 
 
-class FeedsModelRootItem;
 class FeedsModelCategory;
 class FeedsModelFeed;
 
@@ -26,7 +26,10 @@ class FeedsModel : public QAbstractItemModel {
     virtual ~FeedsModel();
 
     // Model implementation.
-    QVariant data(const QModelIndex &index, int role) const;
+    inline QVariant data(const QModelIndex &index, int role) const {
+      return itemForIndex(index)->data(index.column(), role);
+    }
+
     QVariant headerData(int section, Qt::Orientation orientation, int role) const;
     QModelIndex index(int row, int column, const QModelIndex &parent) const;
     QModelIndex parent(const QModelIndex &child) const;
@@ -34,8 +37,13 @@ class FeedsModel : public QAbstractItemModel {
     int rowCount(const QModelIndex &parent) const;
 
     // Returns couns of ALL/UNREAD (non-deleted) messages for the model.
-    int countOfAllMessages() const;
-    int countOfUnreadMessages() const;
+    inline int countOfAllMessages() const {
+      return m_rootItem->countOfAllMessages();
+    }
+
+    inline int countOfUnreadMessages() const {
+      return m_rootItem->countOfUnreadMessages();
+    }
 
     // Feed/category manipulators.
     bool removeItems(const QModelIndexList &indexes);
@@ -84,7 +92,9 @@ class FeedsModel : public QAbstractItemModel {
     QModelIndex indexForItem(FeedsModelRootItem *item) const;
 
     // Access to root item.
-    FeedsModelRootItem *rootItem() const;
+    inline FeedsModelRootItem *rootItem() const {
+      return m_rootItem;
+    }
 
   public slots:
     // Feeds operations.
diff --git a/src/core/feedsmodelcategory.cpp b/src/core/feedsmodelcategory.cpp
index b3db8fbe6..8a61df140 100755
--- a/src/core/feedsmodelcategory.cpp
+++ b/src/core/feedsmodelcategory.cpp
@@ -24,11 +24,3 @@ FeedsModelCategory::FeedsModelCategory(const FeedsModelCategory &other)
 
 FeedsModelCategory::~FeedsModelCategory() {
 }
-
-FeedsModelCategory:: Type FeedsModelCategory::type() const {
-  return m_type;
-}
-
-void FeedsModelCategory::setType(const Type &type) {
-  m_type = type;
-}
diff --git a/src/core/feedsmodelcategory.h b/src/core/feedsmodelcategory.h
index f62afc207..74f145d81 100755
--- a/src/core/feedsmodelcategory.h
+++ b/src/core/feedsmodelcategory.h
@@ -25,8 +25,13 @@ class FeedsModelCategory : public FeedsModelRootItem {
     virtual ~FeedsModelCategory();
 
     // All types of categories offer these getters/setters.
-    Type type() const;
-    void setType(const Type &type);
+    inline Type type() const {
+      return m_type;
+    }
+
+    inline void setType(const Type &type) {
+      m_type = type;
+    }
 
   protected:
     Type m_type;
diff --git a/src/core/feedsmodelfeed.cpp b/src/core/feedsmodelfeed.cpp
index 844b522fc..0a07c6c74 100755
--- a/src/core/feedsmodelfeed.cpp
+++ b/src/core/feedsmodelfeed.cpp
@@ -29,17 +29,6 @@ int FeedsModelFeed::countOfUnreadMessages() const {
   return m_unreadCount;
 }
 
-void FeedsModelFeed::update() {
-}
-
-FeedsModelFeed::Type FeedsModelFeed::type() const {
-  return m_type;
-}
-
-void FeedsModelFeed::setType(const Type &type) {
-  m_type = type;
-}
-
 QString FeedsModelFeed::typeToString(FeedsModelFeed::Type type) {
   switch (type) {
     case StandardAtom10:
diff --git a/src/core/feedsmodelfeed.h b/src/core/feedsmodelfeed.h
index 2ed88d341..57d5d1174 100755
--- a/src/core/feedsmodelfeed.h
+++ b/src/core/feedsmodelfeed.h
@@ -34,11 +34,17 @@ class FeedsModelFeed : public FeedsModelRootItem {
     // NOTE: This method is used in the "update worker".
     // For example, it can fetch new messages from a remote destination
     // and store them in a local database and so on.
-    virtual void update();
+    virtual void update() {
+    }
 
     // Other getters/setters.
-    Type type() const;
-    void setType(const Type &type);
+    inline Type type() const {
+      return m_type;
+    }
+
+    inline void setType(const Type &type) {
+      m_type = type;
+    }
 
     // Converts particular feed type to string.
     static QString typeToString(Type type);
diff --git a/src/core/feedsmodelrootitem.cpp b/src/core/feedsmodelrootitem.cpp
index f979c8207..1e177063b 100755
--- a/src/core/feedsmodelrootitem.cpp
+++ b/src/core/feedsmodelrootitem.cpp
@@ -12,17 +12,10 @@ FeedsModelRootItem::FeedsModelRootItem(FeedsModelRootItem *parent_item)
 
 FeedsModelRootItem::~FeedsModelRootItem() {
   qDebug("Destroying FeedsModelRootItem instance.");
+
   qDeleteAll(m_childItems);
 }
 
-FeedsModelRootItem *FeedsModelRootItem::parent() const {
-  return m_parentItem;
-}
-
-void FeedsModelRootItem::setParent(FeedsModelRootItem *parent_item) {
-  m_parentItem = parent_item;
-}
-
 FeedsModelRootItem::Kind FeedsModelRootItem::kind() const {
   return m_kind;
 }
@@ -31,10 +24,6 @@ QIcon FeedsModelRootItem::icon() const {
   return m_icon;
 }
 
-FeedsModelRootItem *FeedsModelRootItem::child(int row) {
-  return m_childItems.value(row);
-}
-
 void FeedsModelRootItem::appendChild(FeedsModelRootItem *child) {
   m_childItems.append(child);
   child->setParent(this);
diff --git a/src/core/feedsmodelrootitem.h b/src/core/feedsmodelrootitem.h
index bd308d125..e6719be06 100755
--- a/src/core/feedsmodelrootitem.h
+++ b/src/core/feedsmodelrootitem.h
@@ -23,9 +23,18 @@ class FeedsModelRootItem {
     virtual ~FeedsModelRootItem();
 
     // Basic operations.
-    virtual FeedsModelRootItem *parent() const;
-    virtual void setParent(FeedsModelRootItem *parent_item);
-    virtual FeedsModelRootItem *child(int row);
+    inline virtual FeedsModelRootItem *parent() const {
+      return m_parentItem;
+    }
+
+    inline virtual void setParent(FeedsModelRootItem *parent_item) {
+      m_parentItem = parent_item;
+    }
+
+    inline virtual FeedsModelRootItem *child(int row) {
+      return m_childItems.value(row);
+    }
+
     virtual void appendChild(FeedsModelRootItem *child);
     virtual int childCount() const;
     virtual int columnCount() const;
diff --git a/src/gui/feedmessageviewer.h b/src/gui/feedmessageviewer.h
index e664c3689..86352b8b5 100644
--- a/src/gui/feedmessageviewer.h
+++ b/src/gui/feedmessageviewer.h
@@ -28,6 +28,11 @@ class FeedMessageViewer : public TabContent {
       return m_messagesBrowser;
     }
 
+    // FeedsView getter.
+    inline FeedsView *feedsView() {
+      return m_feedsView;
+    }
+
     // Loads/saves sizes and states of ALL
     // underlying widgets, this contains primarily
     // splitters, toolbar and views.
diff --git a/src/gui/feedsview.h b/src/gui/feedsview.h
index b788abee1..6729b3c0a 100644
--- a/src/gui/feedsview.h
+++ b/src/gui/feedsview.h
@@ -82,7 +82,7 @@ class FeedsView : public QTreeView {
 
     // Notifies other components about messages
     // counts.
-    void notifyWithCounts() {
+    inline void notifyWithCounts() {
       emit feedCountsChanged(m_sourceModel->countOfUnreadMessages(),
                              m_sourceModel->countOfAllMessages());
     }
diff --git a/src/gui/formmain.cpp b/src/gui/formmain.cpp
index 8651ce48a..8dd7e83e9 100755
--- a/src/gui/formmain.cpp
+++ b/src/gui/formmain.cpp
@@ -56,15 +56,15 @@ FormMain *FormMain::instance() {
   return s_instance;
 }
 
-QMenu *FormMain::getTrayMenu() {
+QMenu *FormMain::trayMenu() {
   return m_trayMenu;
 }
 
-TabWidget *FormMain::getTabWidget() {
+TabWidget *FormMain::tabWidget() {
   return m_ui->m_tabWidget;
 }
 
-QList<QAction*> FormMain::getActions() {
+QList<QAction*> FormMain::allActions() {
   QList<QAction*> actions;
 
   // Add basic actions.
@@ -358,10 +358,7 @@ void FormMain::showAbout() {
 void FormMain::showSettings() {
   QPointer<FormSettings> form_pointer = new FormSettings(this);
 
-  if (form_pointer.data()->exec() == QDialog::Accepted) {
-    // User applied new settings, reload neede components.
-    m_ui->m_tabWidget->checkTabBarVisibility();
-  }
+  form_pointer.data()->exec();
 
   delete form_pointer.data();
 }
diff --git a/src/gui/formmain.h b/src/gui/formmain.h
index fccdaa374..1ac30a68d 100644
--- a/src/gui/formmain.h
+++ b/src/gui/formmain.h
@@ -23,14 +23,15 @@ class FormMain : public QMainWindow {
     virtual ~FormMain();
 
     // Returns menu for the tray icon.
-    QMenu *getTrayMenu();
+    QMenu *trayMenu();
 
     // Returns global tab widget.
-    TabWidget *getTabWidget();
+    TabWidget *tabWidget();
 
     // Returns list of all globally available actions.
-    // NOTE: This is used for setting dynamic shortcuts for given actions.
-    QList<QAction*> getActions();
+    // NOTE: This is used for setting dynamic shortcuts
+    // for given actions.
+    QList<QAction*> allActions();
 
     // Access to statusbar.
     StatusBar *statusBar();
@@ -73,6 +74,7 @@ class FormMain : public QMainWindow {
     void switchFullscreenMode(bool turn_fullscreen_on);
 
   protected slots:
+    // Last-minute reactors.
     void onCommitData(QSessionManager &manager);
     void onSaveState(QSessionManager &manager);
 
@@ -87,7 +89,6 @@ class FormMain : public QMainWindow {
     void showAbout();
 
   private:
-    bool m_quitting;
     Ui::FormMain *m_ui;
     QMenu *m_trayMenu;
     StatusBar *m_statusBar;
diff --git a/src/gui/formsettings.cpp b/src/gui/formsettings.cpp
index 62b0648e2..129baef31 100755
--- a/src/gui/formsettings.cpp
+++ b/src/gui/formsettings.cpp
@@ -11,6 +11,8 @@
 #include "gui/iconthemefactory.h"
 #include "gui/skinfactory.h"
 #include "gui/systemtrayicon.h"
+#include "gui/feedmessageviewer.h"
+#include "gui/feedsview.h"
 #include "gui/formmain.h"
 #include "gui/webbrowser.h"
 
@@ -408,7 +410,7 @@ void FormSettings::saveLanguage() {
 }
 
 void FormSettings::loadShortcuts() {
-  m_ui->m_shortcuts->populate(FormMain::instance()->getActions());
+  m_ui->m_shortcuts->populate(FormMain::instance()->allActions());
 }
 
 void FormSettings::saveShortcuts() {
@@ -416,7 +418,7 @@ void FormSettings::saveShortcuts() {
   m_ui->m_shortcuts->updateShortcuts();
 
   // Save new shortcuts to the settings.
-  DynamicShortcuts::save(FormMain::instance()->getActions());
+  DynamicShortcuts::save(FormMain::instance()->allActions());
 }
 
 void FormSettings::loadGeneral() {
@@ -551,6 +553,7 @@ void FormSettings::saveInterface() {
                        m_ui->m_checkHidden->isChecked());
     if (settings->value(APP_CFG_GUI, "use_tray_icon", true).toBool()) {
       SystemTrayIcon::instance()->show();
+      FormMain::instance()->tabWidget()->feedMessageViewer()->feedsView()->notifyWithCounts();
     }
     else {
       FormMain::instance()->display();
@@ -587,4 +590,6 @@ void FormSettings::saveInterface() {
                      m_ui->m_checkNewTabDoubleClick->isChecked());
   settings->setValue(APP_CFG_GUI, "hide_tabbar_one_tab",
                      m_ui->m_hideTabBarIfOneTabVisible->isChecked());
+
+  FormMain::instance()->tabWidget()->checkTabBarVisibility();
 }
diff --git a/src/gui/systemtrayicon.cpp b/src/gui/systemtrayicon.cpp
index fac63fa72..3a1b9e1bd 100644
--- a/src/gui/systemtrayicon.cpp
+++ b/src/gui/systemtrayicon.cpp
@@ -46,7 +46,7 @@ SystemTrayIcon::SystemTrayIcon(const QString &normal_icon,
 
   // Initialize icon.
   setNumber();
-  setContextMenu(parent->getTrayMenu());
+  setContextMenu(parent->trayMenu());
 
   // Create necessary connections.
   connect(this, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
diff --git a/src/gui/webbrowser.cpp b/src/gui/webbrowser.cpp
index beea31459..624069442 100644
--- a/src/gui/webbrowser.cpp
+++ b/src/gui/webbrowser.cpp
@@ -122,7 +122,7 @@ void WebBrowser::createConnections() {
   connect(m_webView, SIGNAL(urlChanged(QUrl)), this, SLOT(updateUrl(QUrl)));
 
   // Connect this WebBrowser to global TabWidget.
-  TabWidget *tab_widget = FormMain::instance()->getTabWidget();
+  TabWidget *tab_widget = FormMain::instance()->tabWidget();
   connect(m_webView, SIGNAL(newTabRequested()), tab_widget, SLOT(addEmptyBrowser()));
   connect(m_webView, SIGNAL(linkMiddleClicked(QUrl)),
           tab_widget, SLOT(addLinkedBrowser(QUrl)));
diff --git a/src/main.cpp b/src/main.cpp
index c2b08744c..d1ca9da62 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -9,6 +9,8 @@
 #include "gui/formmain.h"
 #include "gui/formwelcome.h"
 #include "gui/systemtrayicon.h"
+#include "gui/feedmessageviewer.h"
+#include "gui/feedsview.h"
 #include "qtsingleapplication/qtsingleapplication.h"
 
 // Needed for setting ini file format on Mac OS.
@@ -83,18 +85,18 @@ int main(int argc, char *argv[]) {
                         QThread::currentThreadId() << "\'.";
 
   // Instantiate main application window.
-  FormMain window;
+  FormMain main_window;
 
   // Set correct information for main window.
-  window.setWindowTitle(APP_LONG_NAME);
+  main_window.setWindowTitle(APP_LONG_NAME);
 
   // Now is a good time to initialize dynamic keyboard shortcuts.
-  DynamicShortcuts::load(window.getActions());
+  DynamicShortcuts::load(main_window.allActions());
 
   // Display welcome dialog if application is launched for the first time.
   if (Settings::instance()->value(APP_CFG_GEN, "first_start", true).toBool()) {
     Settings::instance()->setValue(APP_CFG_GEN, "first_start", false);
-    FormWelcome(&window).exec();
+    FormWelcome(&main_window).exec();
   }
 
   // Display main window.
@@ -102,21 +104,22 @@ int main(int argc, char *argv[]) {
                                      false).toBool() &&
       SystemTrayIcon::isSystemTrayActivated()) {
     qDebug("Hiding the main window when the application is starting.");
-    window.hide();
+    main_window.hide();
   }
   else {
     qDebug("Showing the main window when the application is starting.");
-    window.show();
+    main_window.show();
   }
 
   // Display tray icon if it is enabled and available.
   if (SystemTrayIcon::isSystemTrayActivated()) {
     SystemTrayIcon::instance()->show();
+    main_window.tabWidget()->feedMessageViewer()->feedsView()->notifyWithCounts();
   }
 
   // Setup single-instance behavior.
   QObject::connect(&application, SIGNAL(messageReceived(QString)),
-                   &window, SLOT(processExecutionMessage(QString)));
+                   &main_window, SLOT(processExecutionMessage(QString)));
 
   // Enter global event loop.
   return QtSingleApplication::exec();