diff --git a/src/plugins/coreplugin/dialogs/settingsdialog.cpp b/src/plugins/coreplugin/dialogs/settingsdialog.cpp
index 80455ef1630..11dbe05bb51 100644
--- a/src/plugins/coreplugin/dialogs/settingsdialog.cpp
+++ b/src/plugins/coreplugin/dialogs/settingsdialog.cpp
@@ -333,14 +333,15 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
     m_categoryList->setSelectionMode(QAbstractItemView::SingleSelection);
     m_categoryList->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
 
-    connect(m_categoryList->selectionModel(), SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
-            this, SLOT(currentChanged(QModelIndex)));
+    connect(m_categoryList->selectionModel(), &QItemSelectionModel::currentRowChanged,
+            this, &SettingsDialog::currentChanged);
 
     // The order of the slot connection matters here, the filter slot
     // opens the matching page after the model has filtered.
-    connect(m_filterLineEdit, SIGNAL(filterChanged(QString)),
-                m_proxyModel, SLOT(setFilterFixedString(QString)));
-    connect(m_filterLineEdit, SIGNAL(filterChanged(QString)), this, SLOT(filter(QString)));
+    connect(m_filterLineEdit, &Utils::FancyLineEdit::filterChanged,
+            m_proxyModel, &QSortFilterProxyModel::setFilterFixedString);
+    connect(m_filterLineEdit, &Utils::FancyLineEdit::filterChanged,
+            this, &SettingsDialog::filter);
     m_categoryList->setFocus();
 }
 
@@ -412,9 +413,11 @@ void SettingsDialog::createGui()
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok |
                                                        QDialogButtonBox::Apply |
                                                        QDialogButtonBox::Cancel);
-    connect(buttonBox->button(QDialogButtonBox::Apply), SIGNAL(clicked()), this, SLOT(apply()));
-    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
-    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+    connect(buttonBox->button(QDialogButtonBox::Apply), &QAbstractButton::clicked,
+            this, &SettingsDialog::apply);
+
+    connect(buttonBox, &QDialogButtonBox::accepted, this, &SettingsDialog::accept);
+    connect(buttonBox, &QDialogButtonBox::rejected, this, &SettingsDialog::reject);
 
     QGridLayout *mainGridLayout = new QGridLayout;
     mainGridLayout->addWidget(m_filterLineEdit, 0, 0, 1, 1);
@@ -474,8 +477,8 @@ void SettingsDialog::ensureCategoryWidget(Category *category)
         tabWidget->addTab(widget, page->displayName());
     }
 
-    connect(tabWidget, SIGNAL(currentChanged(int)),
-            this, SLOT(currentTabChanged(int)));
+    connect(tabWidget, &QTabWidget::currentChanged,
+            this, &SettingsDialog::currentTabChanged);
 
     category->tabWidget = tabWidget;
     category->index = m_stackedLayout->addWidget(tabWidget);
@@ -485,8 +488,8 @@ void SettingsDialog::disconnectTabWidgets()
 {
     foreach (Category *category, m_model->categories()) {
         if (category->tabWidget)
-            disconnect(category->tabWidget, SIGNAL(currentChanged(int)),
-                    this, SLOT(currentTabChanged(int)));
+            disconnect(category->tabWidget, &QTabWidget::currentChanged,
+                       this, &SettingsDialog::currentTabChanged);
     }
 }
 
diff --git a/src/plugins/coreplugin/dialogs/settingsdialog.h b/src/plugins/coreplugin/dialogs/settingsdialog.h
index 2b6f7758930..c00d073356a 100644
--- a/src/plugins/coreplugin/dialogs/settingsdialog.h
+++ b/src/plugins/coreplugin/dialogs/settingsdialog.h
@@ -73,7 +73,10 @@ public:
 public slots:
     void done(int);
 
-private slots:
+private:
+    SettingsDialog(QWidget *parent);
+    ~SettingsDialog();
+
     void accept();
     void reject();
     void apply();
@@ -81,10 +84,6 @@ private slots:
     void currentTabChanged(int);
     void filter(const QString &text);
 
-private:
-    SettingsDialog(QWidget *parent);
-    ~SettingsDialog();
-
     void createGui();
     void showCategory(int index);
     void showPage(Id categoryId, Id pageId);