diff --git a/src/plugins/qtsupport/qtoptionspage.cpp b/src/plugins/qtsupport/qtoptionspage.cpp
index a4ed8e72362d9aff4381981c01f54910bf14e53b..b62de6fb493da312630e4fd21267d6e2ab365ac2 100644
--- a/src/plugins/qtsupport/qtoptionspage.cpp
+++ b/src/plugins/qtsupport/qtoptionspage.cpp
@@ -126,17 +126,18 @@ QtOptionsPageWidget::QtOptionsPageWidget(QWidget *parent)
 
     m_infoBrowser->setOpenLinks(false);
     m_infoBrowser->setTextInteractionFlags(Qt::TextBrowserInteraction);
-    connect(m_infoBrowser, SIGNAL(anchorClicked(QUrl)), this, SLOT(infoAnchorClicked(QUrl)));
+    connect(m_infoBrowser, &QTextBrowser::anchorClicked,
+            this, &QtOptionsPageWidget::infoAnchorClicked);
     m_ui->infoWidget->setWidget(m_infoBrowser);
-    connect(m_ui->infoWidget, SIGNAL(expanded(bool)),
-            this, SLOT(setInfoWidgetVisibility()));
+    connect(m_ui->infoWidget, &DetailsWidget::expanded,
+            this, &QtOptionsPageWidget::setInfoWidgetVisibility);
 
     m_ui->versionInfoWidget->setWidget(versionInfoWidget);
     m_ui->versionInfoWidget->setState(DetailsWidget::NoSummary);
 
     m_ui->debuggingHelperWidget->setWidget(debuggingHelperDetailsWidget);
-    connect(m_ui->debuggingHelperWidget, SIGNAL(expanded(bool)),
-            this, SLOT(setInfoWidgetVisibility()));
+    connect(m_ui->debuggingHelperWidget, &DetailsWidget::expanded,
+            this, &QtOptionsPageWidget::setInfoWidgetVisibility);
 
     // setup parent items for auto-detected and manual versions
     m_ui->qtdirList->header()->setStretchLastSection(false);
@@ -158,42 +159,43 @@ QtOptionsPageWidget::QtOptionsPageWidget(QWidget *parent)
 
     m_ui->qtdirList->expandAll();
 
-    connect(m_versionUi->nameEdit, SIGNAL(textEdited(QString)),
-            this, SLOT(updateCurrentQtName()));
+    connect(m_versionUi->nameEdit, &QLineEdit::textEdited,
+            this, &QtOptionsPageWidget::updateCurrentQtName);
 
-    connect(m_versionUi->editPathPushButton, SIGNAL(clicked()),
-            this, SLOT(editPath()));
+    connect(m_versionUi->editPathPushButton, &QAbstractButton::clicked,
+            this, &QtOptionsPageWidget::editPath);
 
-    connect(m_ui->addButton, SIGNAL(clicked()),
-            this, SLOT(addQtDir()));
-    connect(m_ui->delButton, SIGNAL(clicked()),
-            this, SLOT(removeQtDir()));
+    connect(m_ui->addButton, &QAbstractButton::clicked,
+            this, &QtOptionsPageWidget::addQtDir);
+    connect(m_ui->delButton, &QAbstractButton::clicked,
+            this, &QtOptionsPageWidget::removeQtDir);
 
-    connect(m_ui->qtdirList, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
-            this, SLOT(versionChanged(QTreeWidgetItem*,QTreeWidgetItem*)));
+    connect(m_ui->qtdirList, &QTreeWidget::currentItemChanged,
+            this, &QtOptionsPageWidget::versionChanged);
 
-    connect(m_debuggingHelperUi->rebuildButton, SIGNAL(clicked()),
-            this, SLOT(buildDebuggingHelper()));
-    connect(m_debuggingHelperUi->qmlDumpBuildButton, SIGNAL(clicked()),
-            this, SLOT(buildQmlDump()));
+    connect(m_debuggingHelperUi->rebuildButton, &QAbstractButton::clicked,
+            this, [this]() { buildDebuggingHelper(); });
+    connect(m_debuggingHelperUi->qmlDumpBuildButton, &QAbstractButton::clicked,
+            this, &QtOptionsPageWidget::buildQmlDump);
 
-    connect(m_debuggingHelperUi->showLogButton, SIGNAL(clicked()),
-            this, SLOT(slotShowDebuggingBuildLog()));
-    connect(m_debuggingHelperUi->toolChainComboBox, SIGNAL(activated(int)),
-            this, SLOT(selectedToolChainChanged(int)));
+    connect(m_debuggingHelperUi->showLogButton, &QAbstractButton::clicked,
+            this, &QtOptionsPageWidget::slotShowDebuggingBuildLog);
+    connect(m_debuggingHelperUi->toolChainComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated),
+            this, &QtOptionsPageWidget::selectedToolChainChanged);
 
-    connect(m_ui->cleanUpButton, SIGNAL(clicked()), this, SLOT(cleanUpQtVersions()));
+    connect(m_ui->cleanUpButton, &QAbstractButton::clicked,
+            this, &QtOptionsPageWidget::cleanUpQtVersions);
     userChangedCurrentVersion();
     updateCleanUpButton();
 
-    connect(QtVersionManager::instance(), SIGNAL(dumpUpdatedFor(Utils::FileName)),
-            this, SLOT(qtVersionsDumpUpdated(Utils::FileName)));
+    connect(QtVersionManager::instance(), &QtVersionManager::dumpUpdatedFor,
+            this, &QtOptionsPageWidget::qtVersionsDumpUpdated);
 
-    connect(QtVersionManager::instance(), SIGNAL(qtVersionsChanged(QList<int>,QList<int>,QList<int>)),
-            this, SLOT(updateQtVersions(QList<int>,QList<int>,QList<int>)));
+    connect(QtVersionManager::instance(), &QtVersionManager::qtVersionsChanged,
+            this, &QtOptionsPageWidget::updateQtVersions);
 
-    connect(ProjectExplorer::ToolChainManager::instance(), SIGNAL(toolChainsChanged()),
-            this, SLOT(toolChainsUpdated()));
+    connect(ProjectExplorer::ToolChainManager::instance(), &ToolChainManager::toolChainsChanged,
+            this, &QtOptionsPageWidget::toolChainsUpdated);
 
     auto chooser = new Core::VariableChooser(this);
     chooser->addSupportedWidget(m_versionUi->nameEdit, "Qt:Name");