diff --git a/src/plugins/autotoolsprojectmanager/autotoolsbuildsettingswidget.cpp b/src/plugins/autotoolsprojectmanager/autotoolsbuildsettingswidget.cpp
index 967a5feed97..eb6697d19a6 100644
--- a/src/plugins/autotoolsprojectmanager/autotoolsbuildsettingswidget.cpp
+++ b/src/plugins/autotoolsprojectmanager/autotoolsbuildsettingswidget.cpp
@@ -64,7 +64,8 @@ AutotoolsBuildSettingsWidget::AutotoolsBuildSettingsWidget(AutotoolsBuildConfigu
     m_pathChooser->setEnvironment(bc->environment());
     m_pathChooser->setHistoryCompleter(QLatin1String("AutoTools.BuildDir.History"));
     fl->addRow(tr("Build directory:"), m_pathChooser);
-    connect(m_pathChooser, SIGNAL(changed(QString)), this, SLOT(buildDirectoryChanged()));
+    connect(m_pathChooser, &Utils::PathChooser::changed,
+            this, &AutotoolsBuildSettingsWidget::buildDirectoryChanged);
 
     m_pathChooser->setBaseFileName(bc->target()->project()->projectDirectory());
     m_pathChooser->setPath(m_buildConfiguration->rawBuildDirectory().toString());
diff --git a/src/plugins/autotoolsprojectmanager/autotoolsopenprojectwizard.cpp b/src/plugins/autotoolsprojectmanager/autotoolsopenprojectwizard.cpp
index 0d86127a9ee..4190ffbcefc 100644
--- a/src/plugins/autotoolsprojectmanager/autotoolsopenprojectwizard.cpp
+++ b/src/plugins/autotoolsprojectmanager/autotoolsopenprojectwizard.cpp
@@ -101,7 +101,7 @@ BuildPathPage::BuildPathPage(AutotoolsOpenProjectWizard *wizard)
     m_pc->setHistoryCompleter(QLatin1String("AutoTools.BuildDir.History"));
     m_pc->setBaseDirectory(m_wizard->sourceDirectory());
     m_pc->setPath(m_wizard->buildDirectory());
-    connect(m_pc, SIGNAL(changed(QString)), this, SLOT(buildDirectoryChanged()));
+    connect(m_pc, &Utils::PathChooser::changed, this, &BuildPathPage::buildDirectoryChanged);
     fl->addRow(tr("Build directory:"), m_pc);
     setTitle(tr("Build Location"));
 }
diff --git a/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp b/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
index 2eaee72f6b7..f68785061cd 100644
--- a/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
+++ b/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
@@ -143,8 +143,8 @@ bool AutotoolsProject::fromMap(const QVariantMap &map)
     if (!Project::fromMap(map))
         return false;
 
-    connect(m_fileWatcher, SIGNAL(fileChanged(QString)),
-            this, SLOT(onFileChanged(QString)));
+    connect(m_fileWatcher, &Utils::FileSystemWatcher::fileChanged,
+            this, &AutotoolsProject::onFileChanged);
 
     // Load the project tree structure.
     loadProjectTree();
@@ -172,11 +172,11 @@ void AutotoolsProject::loadProjectTree()
     // Parse the makefile asynchronously in a thread
     m_makefileParserThread = new MakefileParserThread(m_fileName);
 
-    connect(m_makefileParserThread, SIGNAL(started()),
-            this, SLOT(makefileParsingStarted()));
+    connect(m_makefileParserThread, &MakefileParserThread::started,
+            this, &AutotoolsProject::makefileParsingStarted);
 
-    connect(m_makefileParserThread, SIGNAL(finished()),
-            this, SLOT(makefileParsingFinished()));
+    connect(m_makefileParserThread, &MakefileParserThread::finished,
+            this, &AutotoolsProject::makefileParsingFinished);
     m_makefileParserThread->start();
 }
 
diff --git a/src/plugins/autotoolsprojectmanager/makefileparser.cpp b/src/plugins/autotoolsprojectmanager/makefileparser.cpp
index f07a187f98b..b0369973eb3 100644
--- a/src/plugins/autotoolsprojectmanager/makefileparser.cpp
+++ b/src/plugins/autotoolsprojectmanager/makefileparser.cpp
@@ -292,7 +292,7 @@ void MakefileParser::parseSubDirs()
             continue;
 
         MakefileParser parser(subDirMakefile);
-        connect(&parser, SIGNAL(status(QString)), this, SIGNAL(status(QString)));
+        connect(&parser, &MakefileParser::status, this, &MakefileParser::status);
         const bool success = parser.parse();
 
         // Don't return, try to parse as many sub directories
diff --git a/src/plugins/autotoolsprojectmanager/makefileparserthread.cpp b/src/plugins/autotoolsprojectmanager/makefileparserthread.cpp
index 2d8762f24a8..74f356833eb 100644
--- a/src/plugins/autotoolsprojectmanager/makefileparserthread.cpp
+++ b/src/plugins/autotoolsprojectmanager/makefileparserthread.cpp
@@ -46,7 +46,8 @@ MakefileParserThread::MakefileParserThread(const QString &makefile) :
     m_makefiles(),
     m_includePaths()
 {
-    connect(&m_parser, SIGNAL(status(QString)), this, SIGNAL(status(QString)));
+    connect(&m_parser, &MakefileParser::status,
+            this, &MakefileParserThread::status);
 }
 
 QStringList MakefileParserThread::sources() const
diff --git a/src/plugins/bazaar/uncommitdialog.cpp b/src/plugins/bazaar/uncommitdialog.cpp
index 9210de0f04d..c06d091dc55 100644
--- a/src/plugins/bazaar/uncommitdialog.cpp
+++ b/src/plugins/bazaar/uncommitdialog.cpp
@@ -48,7 +48,7 @@ UnCommitDialog::UnCommitDialog(QWidget *parent)
     auto dryRunBtn = new QPushButton(tr("Dry Run"));
     dryRunBtn->setToolTip(tr("Test the outcome of removing the last committed revision, without actually removing anything."));
     m_ui->buttonBox->addButton(dryRunBtn, QDialogButtonBox::ApplyRole);
-    connect(dryRunBtn, SIGNAL(clicked()), this, SLOT(dryRun()));
+    connect(dryRunBtn, &QPushButton::clicked, this, &UnCommitDialog::dryRun);
 }
 
 UnCommitDialog::~UnCommitDialog()
diff --git a/src/plugins/classview/classviewparser.cpp b/src/plugins/classview/classviewparser.cpp
index e07369f3987..3dc19a12509 100644
--- a/src/plugins/classview/classviewparser.cpp
+++ b/src/plugins/classview/classviewparser.cpp
@@ -172,7 +172,7 @@ Parser::Parser(QObject *parent)
 
     // connect signal/slots
     // internal data reset
-    connect(this, SIGNAL(resetDataDone()), SLOT(onResetDataDone()), Qt::QueuedConnection);
+    connect(this, &Parser::resetDataDone, this, &Parser::onResetDataDone, Qt::QueuedConnection);
 
     // timer for emitting changes
     connect(d->timer, SIGNAL(timeout()), SLOT(requestCurrentState()), Qt::QueuedConnection);
diff --git a/src/plugins/designer/formeditorplugin.cpp b/src/plugins/designer/formeditorplugin.cpp
index 8a13cef2f2f..dd6aa84cbc5 100644
--- a/src/plugins/designer/formeditorplugin.cpp
+++ b/src/plugins/designer/formeditorplugin.cpp
@@ -114,7 +114,7 @@ void FormEditorPlugin::extensionsInitialized()
     mformtools->menu()->setTitle(tr("For&m Editor"));
     mtools->addMenu(mformtools);
 
-    connect(m_actionSwitchSource, SIGNAL(triggered()), this, SLOT(switchSourceForm()));
+    connect(m_actionSwitchSource, &QAction::triggered, this, &FormEditorPlugin::switchSourceForm);
     Core::Context context(Designer::Constants::C_FORMEDITOR, Core::Constants::C_EDITORMANAGER);
     Core::Command *cmd = Core::ActionManager::registerAction(m_actionSwitchSource,
                                                              "FormEditor.FormSwitchSource", context);
diff --git a/src/plugins/designer/formtemplatewizardpage.cpp b/src/plugins/designer/formtemplatewizardpage.cpp
index f12c770ffa9..470accea43c 100644
--- a/src/plugins/designer/formtemplatewizardpage.cpp
+++ b/src/plugins/designer/formtemplatewizardpage.cpp
@@ -91,10 +91,10 @@ FormTemplateWizardPage::FormTemplateWizardPage(QWidget * parent) :
     setTitle(tr("Choose a Form Template"));
     QVBoxLayout *layout = new QVBoxLayout;
 
-    connect(m_newFormWidget, SIGNAL(currentTemplateChanged(bool)),
-            this, SLOT(slotCurrentTemplateChanged(bool)));
-    connect(m_newFormWidget, SIGNAL(templateActivated()),
-            this, SIGNAL(templateActivated()));
+    connect(m_newFormWidget, &QDesignerNewFormWidgetInterface::currentTemplateChanged,
+            this, &FormTemplateWizardPage::slotCurrentTemplateChanged);
+    connect(m_newFormWidget, &QDesignerNewFormWidgetInterface::templateActivated,
+            this, &FormTemplateWizardPage::templateActivated);
     layout->addWidget(m_newFormWidget);
 
     setLayout(layout);
diff --git a/src/plugins/designer/qtcreatorintegration.cpp b/src/plugins/designer/qtcreatorintegration.cpp
index 303fc32f8c0..bf3ab5d68c2 100644
--- a/src/plugins/designer/qtcreatorintegration.cpp
+++ b/src/plugins/designer/qtcreatorintegration.cpp
@@ -85,10 +85,10 @@ QtCreatorIntegration::QtCreatorIntegration(QDesignerFormEditorInterface *core, Q
     f |= SlotNavigationFeature;
     f &= ~ResourceEditorFeature;
     setFeatures(f);
-    connect(this, SIGNAL(navigateToSlot(QString,QString,QStringList)),
-            this, SLOT(slotNavigateToSlot(QString,QString,QStringList)));
-    connect(this, SIGNAL(helpRequested(QString,QString)),
-            this, SLOT(slotDesignerHelpRequested(QString,QString)));
+    connect(this, &QtCreatorIntegration::navigateToSlot,
+            this, &QtCreatorIntegration::slotNavigateToSlot);
+    connect(this, &QtCreatorIntegration::helpRequested,
+            this, &QtCreatorIntegration::slotDesignerHelpRequested);
     slotSyncSettingsToDesigner();
     connect(Core::ICore::instance(), SIGNAL(saveSettingsRequested()),
             this, SLOT(slotSyncSettingsToDesigner()));
diff --git a/src/plugins/genericprojectmanager/filesselectionwizardpage.cpp b/src/plugins/genericprojectmanager/filesselectionwizardpage.cpp
index e32399d8838..c97c10312ef 100644
--- a/src/plugins/genericprojectmanager/filesselectionwizardpage.cpp
+++ b/src/plugins/genericprojectmanager/filesselectionwizardpage.cpp
@@ -115,7 +115,7 @@ void FilesSelectionWizardPage::createApplyButton(QVBoxLayout *layout)
     hbox->addWidget(m_applyFilterButton);
     layout->addLayout(hbox);
 
-    connect(m_applyFilterButton, SIGNAL(clicked()), this, SLOT(applyFilter()));
+    connect(m_applyFilterButton, &QPushButton::clicked, this, &FilesSelectionWizardPage::applyFilter);
 }
 
 void FilesSelectionWizardPage::initializePage()
@@ -123,10 +123,10 @@ void FilesSelectionWizardPage::initializePage()
     m_view->setModel(0);
     delete m_model;
     m_model = new ProjectExplorer::SelectableFilesModel(this);
-    connect(m_model, SIGNAL(parsingProgress(QString)),
-            this, SLOT(parsingProgress(QString)));
-    connect(m_model, SIGNAL(parsingFinished()),
-            this, SLOT(parsingFinished()));
+    connect(m_model, &ProjectExplorer::SelectableFilesModel::parsingProgress,
+            this, &FilesSelectionWizardPage::parsingProgress);
+    connect(m_model, &ProjectExplorer::SelectableFilesModel::parsingFinished,
+            this, &FilesSelectionWizardPage::parsingFinished);
     m_model->startParsing(m_genericProjectWizardDialog->path());
 
     m_hideFilesFilterLabel->setVisible(false);
diff --git a/src/plugins/genericprojectmanager/genericbuildconfiguration.cpp b/src/plugins/genericprojectmanager/genericbuildconfiguration.cpp
index db9cd2c040f..3ba87db76f7 100644
--- a/src/plugins/genericprojectmanager/genericbuildconfiguration.cpp
+++ b/src/plugins/genericprojectmanager/genericbuildconfiguration.cpp
@@ -215,7 +215,8 @@ GenericBuildSettingsWidget::GenericBuildSettingsWidget(GenericBuildConfiguration
     m_pathChooser->setHistoryCompleter(QLatin1String("Generic.BuildDir.History"));
     m_pathChooser->setEnabled(true);
     fl->addRow(tr("Build directory:"), m_pathChooser);
-    connect(m_pathChooser, SIGNAL(changed(QString)), this, SLOT(buildDirectoryChanged()));
+    connect(m_pathChooser, &Utils::PathChooser::changed,
+            this, &GenericBuildSettingsWidget::buildDirectoryChanged);
 
     m_buildConfiguration = bc;
     m_pathChooser->setBaseFileName(bc->target()->project()->projectDirectory());
@@ -223,7 +224,8 @@ GenericBuildSettingsWidget::GenericBuildSettingsWidget(GenericBuildConfiguration
     m_pathChooser->setPath(m_buildConfiguration->rawBuildDirectory().toString());
     setDisplayName(tr("Generic Manager"));
 
-    connect(bc, SIGNAL(environmentChanged()), this, SLOT(environmentHasChanged()));
+    connect(bc, &GenericBuildConfiguration::environmentChanged,
+            this, &GenericBuildSettingsWidget::environmentHasChanged);
 }
 
 void GenericBuildSettingsWidget::buildDirectoryChanged()
diff --git a/src/plugins/genericprojectmanager/genericmakestep.cpp b/src/plugins/genericprojectmanager/genericmakestep.cpp
index 95f08b5ea5a..bb4f59be4a2 100644
--- a/src/plugins/genericprojectmanager/genericmakestep.cpp
+++ b/src/plugins/genericprojectmanager/genericmakestep.cpp
@@ -245,12 +245,12 @@ GenericMakeStepConfigWidget::GenericMakeStepConfigWidget(GenericMakeStep *makeSt
     updateMakeOverrrideLabel();
     updateDetails();
 
-    connect(m_ui->targetsList, SIGNAL(itemChanged(QListWidgetItem*)),
-            this, SLOT(itemChanged(QListWidgetItem*)));
-    connect(m_ui->makeLineEdit, SIGNAL(textEdited(QString)),
-            this, SLOT(makeLineEditTextEdited()));
-    connect(m_ui->makeArgumentsLineEdit, SIGNAL(textEdited(QString)),
-            this, SLOT(makeArgumentsLineEditTextEdited()));
+    connect(m_ui->targetsList, &QListWidget::itemChanged,
+            this, &GenericMakeStepConfigWidget::itemChanged);
+    connect(m_ui->makeLineEdit, &QLineEdit::textEdited,
+            this, &GenericMakeStepConfigWidget::makeLineEditTextEdited);
+    connect(m_ui->makeArgumentsLineEdit, &QLineEdit::textEdited,
+            this, &GenericMakeStepConfigWidget::makeArgumentsLineEditTextEdited);
 
     connect(ProjectExplorerPlugin::instance(), SIGNAL(settingsChanged()),
             this, SLOT(updateMakeOverrrideLabel()));
@@ -260,10 +260,10 @@ GenericMakeStepConfigWidget::GenericMakeStepConfigWidget(GenericMakeStep *makeSt
     connect(m_makeStep->target(), SIGNAL(kitChanged()),
             this, SLOT(updateMakeOverrrideLabel()));
 
-    connect(pro, SIGNAL(environmentChanged()),
-            this, SLOT(updateMakeOverrrideLabel()));
-    connect(pro, SIGNAL(environmentChanged()),
-            this, SLOT(updateDetails()));
+    connect(pro, &GenericProject::environmentChanged,
+            this, &GenericMakeStepConfigWidget::updateMakeOverrrideLabel);
+    connect(pro, &GenericProject::environmentChanged,
+            this, &GenericMakeStepConfigWidget::updateDetails);
 }
 
 GenericMakeStepConfigWidget::~GenericMakeStepConfigWidget()
diff --git a/src/plugins/genericprojectmanager/genericprojectplugin.cpp b/src/plugins/genericprojectmanager/genericprojectplugin.cpp
index d282e1f2dec..08cb142c54d 100644
--- a/src/plugins/genericprojectmanager/genericprojectplugin.cpp
+++ b/src/plugins/genericprojectmanager/genericprojectplugin.cpp
@@ -82,8 +82,7 @@ bool GenericProjectPlugin::initialize(const QStringList &, QString *errorMessage
     command->setAttribute(Command::CA_Hide);
     mproject->addAction(command, ProjectExplorer::Constants::G_PROJECT_FILES);
 
-    connect(editFilesAction, &QAction::triggered,
-            this, &GenericProjectPlugin::editFiles);
+    connect(editFilesAction, &QAction::triggered, this, &GenericProjectPlugin::editFiles);
 
     connect(ProjectTree::instance(), &ProjectTree::aboutToShowContextMenu,
             [this] (Project *project, Node *) { m_contextMenuProject = project; });
diff --git a/src/plugins/perforce/perforcechecker.cpp b/src/plugins/perforce/perforcechecker.cpp
index ccb515b1233..432b50ff779 100644
--- a/src/plugins/perforce/perforcechecker.cpp
+++ b/src/plugins/perforce/perforcechecker.cpp
@@ -51,10 +51,10 @@ PerforceChecker::PerforceChecker(QObject *parent) :
     m_useOverideCursor(false),
     m_isOverrideCursor(false)
 {
-    connect(&m_process, SIGNAL(error(QProcess::ProcessError)),
-            this, SLOT(slotError(QProcess::ProcessError)));
-    connect(&m_process, SIGNAL(finished(int,QProcess::ExitStatus)),
-                this, SLOT(slotFinished(int,QProcess::ExitStatus)));
+    connect(&m_process, static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::error),
+            this, &PerforceChecker::slotError);
+    connect(&m_process, static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
+            this, &PerforceChecker::slotFinished);
 }
 
 PerforceChecker::~PerforceChecker()
diff --git a/src/plugins/perforce/settingspage.cpp b/src/plugins/perforce/settingspage.cpp
index aa939b537c1..136e25c2ab9 100644
--- a/src/plugins/perforce/settingspage.cpp
+++ b/src/plugins/perforce/settingspage.cpp
@@ -51,7 +51,7 @@ SettingsPageWidget::SettingsPageWidget(QWidget *parent) :
     m_ui.pathChooser->setPromptDialogTitle(tr("Perforce Command"));
     m_ui.pathChooser->setHistoryCompleter(QLatin1String("Perforce.Command.History"));
     m_ui.pathChooser->setExpectedKind(PathChooser::Command);
-    connect(m_ui.testPushButton, SIGNAL(clicked()), this, SLOT(slotTest()));
+    connect(m_ui.testPushButton, &QPushButton::clicked, this, &SettingsPageWidget::slotTest);
 }
 
 void SettingsPageWidget::slotTest()
diff --git a/src/plugins/qmldesigner/designmodewidget.cpp b/src/plugins/qmldesigner/designmodewidget.cpp
index 3dadf47733f..5b344bf1bff 100644
--- a/src/plugins/qmldesigner/designmodewidget.cpp
+++ b/src/plugins/qmldesigner/designmodewidget.cpp
@@ -87,7 +87,7 @@ DocumentWarningWidget::DocumentWarningWidget(DesignModeWidget *parent) :
     m_errorMessage->setForegroundRole(QPalette::ToolTipText);
     m_goToError->setText(tr("<a href=\"goToError\">Go to error</a>"));
     m_goToError->setForegroundRole(QPalette::Link);
-    connect(m_goToError, SIGNAL(linkActivated(QString)), this, SLOT(goToError()));
+    connect(m_goToError, &QLabel::linkActivated, this, &DocumentWarningWidget::goToError);
 
     QVBoxLayout *layout = new QVBoxLayout(this);
     layout->setMargin(20);
@@ -405,8 +405,8 @@ void DesignModeWidget::setup()
     m_toolBar->setToolbarCreationFlags(Core::EditorToolBar::FlagsStandalone);
     m_toolBar->setNavigationVisible(true);
 
-    connect(m_toolBar, SIGNAL(goForwardClicked()), this, SLOT(toolBarOnGoForwardClicked()));
-    connect(m_toolBar, SIGNAL(goBackClicked()), this, SLOT(toolBarOnGoBackClicked()));
+    connect(m_toolBar, &Core::EditorToolBar::goForwardClicked, this, &DesignModeWidget::toolBarOnGoForwardClicked);
+    connect(m_toolBar, &Core::EditorToolBar::goBackClicked, this, &DesignModeWidget::toolBarOnGoBackClicked);
 
     if (currentDesignDocument())
         setupNavigatorHistory(currentDesignDocument()->textEditor());
diff --git a/src/plugins/qmldesigner/settingspage.cpp b/src/plugins/qmldesigner/settingspage.cpp
index d23d85b20cc..35b8c2bc862 100644
--- a/src/plugins/qmldesigner/settingspage.cpp
+++ b/src/plugins/qmldesigner/settingspage.cpp
@@ -45,7 +45,8 @@ SettingsPageWidget::SettingsPageWidget(QWidget *parent) :
     QWidget(parent)
 {
     m_ui.setupUi(this);
-    connect(m_ui.designerEnableDebuggerCheckBox, SIGNAL(toggled(bool)), this, SLOT(debugViewEnabledToggled(bool)));
+    connect(m_ui.designerEnableDebuggerCheckBox, &QCheckBox::toggled,
+            this, &SettingsPageWidget::debugViewEnabledToggled);
 }
 
 DesignerSettings SettingsPageWidget::settings() const