diff --git a/src/services/abstract/recyclebin.cpp b/src/services/abstract/recyclebin.cpp
index ebbffece8..9869a834a 100755
--- a/src/services/abstract/recyclebin.cpp
+++ b/src/services/abstract/recyclebin.cpp
@@ -47,7 +47,7 @@ int RecycleBin::countOfAllMessages() const {
 void RecycleBin::updateCounts(bool update_total_count) {
   QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
   QSqlQuery query_all(database);
-  ServiceRoot *parent_root = getParentServiceRoot();
+  const ServiceRoot *parent_root = getParentServiceRoot();
 
   query_all.setForwardOnly(true);
   query_all.prepare("SELECT count(*) FROM Messages "
@@ -88,7 +88,7 @@ QVariant RecycleBin::data(int column, int role) const {
 
 QList<Message> RecycleBin::undeletedMessages() const {
   QList<Message> messages;
-  int account_id = const_cast<RecycleBin*>(this)->getParentServiceRoot()->accountId();
+  const int account_id = getParentServiceRoot()->accountId();
   QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
   QSqlQuery query_read_msg(database);
 
diff --git a/src/services/standard/gui/formstandardcategorydetails.cpp b/src/services/standard/gui/formstandardcategorydetails.cpp
index 23781e081..ea995c7d9 100755
--- a/src/services/standard/gui/formstandardcategorydetails.cpp
+++ b/src/services/standard/gui/formstandardcategorydetails.cpp
@@ -201,7 +201,7 @@ void FormStandardCategoryDetails::onUseDefaultIcon() {
 }
 
 void FormStandardCategoryDetails::initialize() {
-  m_ui = new Ui::FormStandardCategoryDetails();
+  m_ui.reset(new Ui::FormStandardCategoryDetails());
   m_ui->setupUi(this);
 
   // Set text boxes.
diff --git a/src/services/standard/gui/formstandardcategorydetails.h b/src/services/standard/gui/formstandardcategorydetails.h
index c64237c70..5ab809b1f 100755
--- a/src/services/standard/gui/formstandardcategorydetails.h
+++ b/src/services/standard/gui/formstandardcategorydetails.h
@@ -76,7 +76,7 @@ class FormStandardCategoryDetails : public QDialog {
     void loadCategories(const QList<Category *> categories, RootItem *root_item, StandardCategory *input_category);
 
   private:
-    Ui::FormStandardCategoryDetails *m_ui;
+    QScopedPointer<Ui::FormStandardCategoryDetails> m_ui;
     StandardCategory *m_editableCategory;
     StandardServiceRoot *m_serviceRoot;
 
diff --git a/src/services/standard/gui/formstandardfeeddetails.cpp b/src/services/standard/gui/formstandardfeeddetails.cpp
index 61cad31be..c6b7e5a77 100755
--- a/src/services/standard/gui/formstandardfeeddetails.cpp
+++ b/src/services/standard/gui/formstandardfeeddetails.cpp
@@ -56,7 +56,6 @@ FormStandardFeedDetails::FormStandardFeedDetails(StandardServiceRoot *service_ro
 }
 
 FormStandardFeedDetails::~FormStandardFeedDetails() {
-  delete m_ui;
 }
 
 int FormStandardFeedDetails::exec(StandardFeed *input_feed, RootItem *parent_to_select, const QString &url) {
@@ -386,7 +385,7 @@ void FormStandardFeedDetails::setEditableFeed(StandardFeed *editable_feed) {
 }
 
 void FormStandardFeedDetails::initialize() {
-  m_ui = new Ui::FormStandardFeedDetails();
+  m_ui.reset(new Ui::FormStandardFeedDetails());
   m_ui->setupUi(this);
 
   // Set flags and attributes.
@@ -419,7 +418,7 @@ void FormStandardFeedDetails::initialize() {
   m_ui->m_cmbType->addItem(StandardFeed::typeToString(StandardFeed::Rss2X), QVariant::fromValue((int) StandardFeed::Rss2X));
 
   // Load available encodings.
-  QList<QByteArray> encodings = QTextCodec::availableCodecs();
+  const QList<QByteArray> encodings = QTextCodec::availableCodecs();
   QStringList encoded_encodings;
 
   foreach (const QByteArray &encoding, encodings) {
diff --git a/src/services/standard/gui/formstandardfeeddetails.h b/src/services/standard/gui/formstandardfeeddetails.h
index cd99ee962..6d09e7401 100755
--- a/src/services/standard/gui/formstandardfeeddetails.h
+++ b/src/services/standard/gui/formstandardfeeddetails.h
@@ -81,7 +81,7 @@ class FormStandardFeedDetails : public QDialog {
     void loadCategories(const QList<Category*> categories, RootItem *root_item);
 
   private:
-    Ui::FormStandardFeedDetails *m_ui;
+    QScopedPointer<Ui::FormStandardFeedDetails> m_ui;
     StandardFeed *m_editableFeed;
     StandardServiceRoot *m_serviceRoot;
 
diff --git a/src/services/standard/gui/formstandardimportexport.cpp b/src/services/standard/gui/formstandardimportexport.cpp
index 3cc5ec433..77c5375da 100755
--- a/src/services/standard/gui/formstandardimportexport.cpp
+++ b/src/services/standard/gui/formstandardimportexport.cpp
@@ -53,7 +53,6 @@ FormStandardImportExport::FormStandardImportExport(StandardServiceRoot *service_
 }
 
 FormStandardImportExport::~FormStandardImportExport() {
-  delete m_ui;
 }
 
 void FormStandardImportExport::setMode(const FeedsImportExportModel::Mode &mode) {
@@ -141,8 +140,8 @@ void FormStandardImportExport::onParsingProgress(int completed, int total) {
 }
 
 void FormStandardImportExport::selectExportFile() {
-  QString filter_opml20 = tr("OPML 2.0 files (*.opml)");
-  QString filter_txt_url_per_line = tr("TXT files (one URL per line) (*.txt)");
+  const QString filter_opml20 = tr("OPML 2.0 files (*.opml)");
+  const QString filter_txt_url_per_line = tr("TXT files (one URL per line) (*.txt)");
 
   QString filter;
   QString selected_filter;
@@ -178,8 +177,8 @@ void FormStandardImportExport::selectExportFile() {
 }
 
 void FormStandardImportExport::selectImportFile() {
-  QString filter_opml20 = tr("OPML 2.0 files (*.opml)");
-  QString filter_txt_url_per_line = tr("TXT files (one URL per line) (*.txt)");
+  const QString filter_opml20 = tr("OPML 2.0 files (*.opml)");
+  const QString filter_txt_url_per_line = tr("TXT files (one URL per line) (*.txt)");
 
   QString filter;
   QString selected_filter;
@@ -189,8 +188,8 @@ void FormStandardImportExport::selectImportFile() {
   filter += ";;";
   filter += filter_txt_url_per_line;
 
-  QString selected_file = QFileDialog::getOpenFileName(this, tr("Select file for feeds import"), qApp->homeFolderPath(),
-                                                       filter, &selected_filter);
+  const QString selected_file = QFileDialog::getOpenFileName(this, tr("Select file for feeds import"), qApp->homeFolderPath(),
+                                                             filter, &selected_filter);
 
   if (!selected_file.isEmpty()) {
     if (selected_filter == filter_opml20) {
diff --git a/src/services/standard/gui/formstandardimportexport.h b/src/services/standard/gui/formstandardimportexport.h
index 1fc643d14..9a7c18fe3 100755
--- a/src/services/standard/gui/formstandardimportexport.h
+++ b/src/services/standard/gui/formstandardimportexport.h
@@ -60,7 +60,7 @@ class FormStandardImportExport : public QDialog {
     void exportFeeds();
     void importFeeds();
 
-    Ui::FormStandardImportExport *m_ui;
+    QScopedPointer<Ui::FormStandardImportExport> m_ui;
     ConversionType m_conversionType;
     FeedsImportExportModel *m_model;
     StandardServiceRoot *m_serviceRoot;
diff --git a/src/services/standard/standardcategory.cpp b/src/services/standard/standardcategory.cpp
index 74d79acb1..4757826f2 100755
--- a/src/services/standard/standardcategory.cpp
+++ b/src/services/standard/standardcategory.cpp
@@ -100,10 +100,9 @@ bool StandardCategory::performDragDropChange(RootItem *target_item) {
 }
 
 bool StandardCategory::editViaGui() {
-  QPointer<FormStandardCategoryDetails> form_pointer = new FormStandardCategoryDetails(serviceRoot(), qApp->mainForm());
+  QScopedPointer<FormStandardCategoryDetails> form_pointer(new FormStandardCategoryDetails(serviceRoot(), qApp->mainForm()));
 
   form_pointer.data()->exec(this, NULL);
-  delete form_pointer.data();
   return false;
 }
 
diff --git a/src/services/standard/standardfeed.cpp b/src/services/standard/standardfeed.cpp
index d783a2616..fc797f745 100755
--- a/src/services/standard/standardfeed.cpp
+++ b/src/services/standard/standardfeed.cpp
@@ -103,10 +103,9 @@ StandardServiceRoot *StandardFeed::serviceRoot() {
 }
 
 bool StandardFeed::editViaGui() {
-  QPointer<FormStandardFeedDetails> form_pointer = new FormStandardFeedDetails(serviceRoot(), qApp->mainForm());
+  QScopedPointer<FormStandardFeedDetails> form_pointer(new FormStandardFeedDetails(serviceRoot(), qApp->mainForm()));
 
   form_pointer.data()->exec(this, NULL);
-  delete form_pointer.data();
   return false;
 }