diff --git a/src/libs/qmldebug/qmldebugconnectionmanager.cpp b/src/libs/qmldebug/qmldebugconnectionmanager.cpp
index 173bbb2d970..0a3b9633ea8 100644
--- a/src/libs/qmldebug/qmldebugconnectionmanager.cpp
+++ b/src/libs/qmldebug/qmldebugconnectionmanager.cpp
@@ -120,7 +120,7 @@ void QmlDebugConnectionManager::connectToTcpServer()
 void QmlDebugConnectionManager::startLocalServer()
 {
     stopConnectionTimer();
-    connect(&m_connectionTimer, &QTimer::timeout, this, [this]() {
+    connect(&m_connectionTimer, &QTimer::timeout, this, [this] {
         QTC_ASSERT(!isConnected(), return);
 
         // We leave the server running as some application might currently be trying to
diff --git a/src/libs/qmleditorwidgets/contextpanetextwidget.cpp b/src/libs/qmleditorwidgets/contextpanetextwidget.cpp
index 10fc42058c1..e36fe6ac60e 100644
--- a/src/libs/qmleditorwidgets/contextpanetextwidget.cpp
+++ b/src/libs/qmleditorwidgets/contextpanetextwidget.cpp
@@ -73,7 +73,7 @@ ContextPaneTextWidget::ContextPaneTextWidget(QWidget *parent) :
     connect(parentContextWidget->colorDialog(), &CustomColorDialog::rejected,
             this, &ContextPaneTextWidget::onColorDialogCancled);
 
-    connect(ui->fontSizeSpinBox, QOverload<int>::of(&QmlEditorWidgets::FontSizeSpinBox::valueChanged),
+    connect(ui->fontSizeSpinBox, &QmlEditorWidgets::FontSizeSpinBox::valueChanged,
             this, &ContextPaneTextWidget::onFontSizeChanged);
     connect(ui->fontSizeSpinBox, &QmlEditorWidgets::FontSizeSpinBox::formatChanged,
             this, &ContextPaneTextWidget::onFontFormatChanged);
@@ -103,7 +103,7 @@ ContextPaneTextWidget::ContextPaneTextWidget(QWidget *parent) :
     connect(ui->bottomAlignmentButton, &QToolButton::toggled,
             this, &ContextPaneTextWidget::onVerticalAlignmentChanged);
 
-    connect(ui->styleComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->styleComboBox, &QComboBox::currentIndexChanged,
             this, &ContextPaneTextWidget::onStyleComboBoxChanged);
 }
 
diff --git a/src/libs/qmleditorwidgets/customcolordialog.cpp b/src/libs/qmleditorwidgets/customcolordialog.cpp
index a133c7844be..b912f1be5dc 100644
--- a/src/libs/qmleditorwidgets/customcolordialog.cpp
+++ b/src/libs/qmleditorwidgets/customcolordialog.cpp
@@ -112,13 +112,13 @@ CustomColorDialog::CustomColorDialog(QWidget *parent) : QFrame(parent )
     resize(sizeHint());
 
     connect(m_colorBox, &ColorBox::colorChanged, this, &CustomColorDialog::onColorBoxChanged);
-    connect(m_alphaSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(m_alphaSpinBox, &QDoubleSpinBox::valueChanged,
             this, &CustomColorDialog::spinBoxChanged);
-    connect(m_rSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(m_rSpinBox, &QDoubleSpinBox::valueChanged,
             this, &CustomColorDialog::spinBoxChanged);
-    connect(m_gSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(m_gSpinBox, &QDoubleSpinBox::valueChanged,
             this, &CustomColorDialog::spinBoxChanged);
-    connect(m_bSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(m_bSpinBox, &QDoubleSpinBox::valueChanged,
             this, &CustomColorDialog::spinBoxChanged);
     connect(m_hueControl, &HueControl::hueChanged, this, &CustomColorDialog::onHueChanged);
 
diff --git a/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp b/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp
index 4f33198dab7..35ae39d0746 100644
--- a/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp
+++ b/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp
@@ -132,17 +132,17 @@ EasingContextPane::EasingContextPane(QWidget *parent) :
 
     connect(m_simulation, &EasingSimulation::finished, this, &EasingContextPane::switchToGraph);
     connect(ui->playButton, &QPushButton::clicked, this, &EasingContextPane::playClicked);
-    connect(ui->overshootSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->overshootSpinBox, &QDoubleSpinBox::valueChanged,
             this, &EasingContextPane::overshootChanged);
-    connect(ui->periodSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->periodSpinBox, &QDoubleSpinBox::valueChanged,
             this, &EasingContextPane::periodChanged);
-    connect(ui->amplitudeSpinBox, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->amplitudeSpinBox, &QDoubleSpinBox::valueChanged,
             this, &EasingContextPane::amplitudeChanged);
-    connect(ui->easingExtremesComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->easingExtremesComboBox, &QComboBox::currentIndexChanged,
             this, &EasingContextPane::easingExtremesChanged);
-    connect(ui->easingShapeComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->easingShapeComboBox, &QComboBox::currentIndexChanged,
             this, &EasingContextPane::easingShapeChanged);
-    connect(ui->durationSpinBox, QOverload<int>::of(&QSpinBox::valueChanged),
+    connect(ui->durationSpinBox, &QSpinBox::valueChanged,
             this, &EasingContextPane::durationChanged);
 }
 
diff --git a/src/libs/qmljs/parser/qmljslexer.cpp b/src/libs/qmljs/parser/qmljslexer.cpp
index 6c4eb70744d..212f894c76a 100644
--- a/src/libs/qmljs/parser/qmljslexer.cpp
+++ b/src/libs/qmljs/parser/qmljslexer.cpp
@@ -492,7 +492,7 @@ again:
 
     // handle comment can be called after a '/' has been read
     // and returns true if it actually encountered a comment
-    auto handleComment = [this](){
+    auto handleComment = [this] {
         if (_char == u'*') {
             scanChar();
             while (_codePtr <= _endPtr) {
diff --git a/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp b/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp
index f18c6a54763..bf5241f7eec 100644
--- a/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp
+++ b/src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp
@@ -49,23 +49,23 @@ ActionEditorDialog::ActionEditorDialog(QWidget *parent)
 {
     setupUIComponents();
 
-    QObject::connect(m_comboBoxType, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_comboBoxType, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::Type); });
 
     // Action connections
-    QObject::connect(m_actionTargetItem, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_actionTargetItem, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::TargetItem); });
-    QObject::connect(m_actionMethod, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_actionMethod, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::TargetProperty); });
 
     // Assignment connections
-    QObject::connect(m_assignmentTargetItem, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_assignmentTargetItem, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::TargetItem); });
-    QObject::connect(m_assignmentTargetProperty, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_assignmentTargetProperty, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::TargetProperty); });
-    QObject::connect(m_assignmentSourceItem, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_assignmentSourceItem, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::SourceItem); });
-    QObject::connect(m_assignmentSourceProperty, QOverload<int>::of(&QComboBox::activated),
+    QObject::connect(m_assignmentSourceProperty, &QComboBox::activated,
                      [this] (int idx) { this->updateComboBoxes(idx, ComboBox::SourceProperty); });
 }
 
diff --git a/src/plugins/qmldesigner/components/bindingeditor/bindingeditordialog.cpp b/src/plugins/qmldesigner/components/bindingeditor/bindingeditordialog.cpp
index 3ca83321de8..30afa3629ff 100644
--- a/src/plugins/qmldesigner/components/bindingeditor/bindingeditordialog.cpp
+++ b/src/plugins/qmldesigner/components/bindingeditor/bindingeditordialog.cpp
@@ -47,11 +47,11 @@ BindingEditorDialog::BindingEditorDialog(QWidget *parent)
 {
     setupUIComponents();
 
-    QObject::connect(m_comboBoxItem, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    QObject::connect(m_comboBoxItem, &QComboBox::currentIndexChanged,
                      this, &BindingEditorDialog::itemIDChanged);
-    QObject::connect(m_comboBoxProperty, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    QObject::connect(m_comboBoxProperty, &QComboBox::currentIndexChanged,
                      this, &BindingEditorDialog::propertyIDChanged);
-    QObject::connect(m_checkBoxNot, QOverload<int>::of(&QCheckBox::stateChanged),
+    QObject::connect(m_checkBoxNot, &QCheckBox::stateChanged,
                      this, &BindingEditorDialog::checkBoxChanged);
 }
 
diff --git a/src/plugins/qmldesigner/components/componentcore/zoomaction.cpp b/src/plugins/qmldesigner/components/componentcore/zoomaction.cpp
index af4f6edac82..850093286fa 100644
--- a/src/plugins/qmldesigner/components/componentcore/zoomaction.cpp
+++ b/src/plugins/qmldesigner/components/componentcore/zoomaction.cpp
@@ -136,8 +136,7 @@ QWidget *ZoomAction::createWidget(QWidget *parent)
         m_combo->setCurrentIndex(indexOf(1.0));
         m_combo->setToolTip(m_combo->currentText());
 
-        auto currentChanged = QOverload<int>::of(&QComboBox::currentIndexChanged);
-        connect(m_combo, currentChanged, this, &ZoomAction::emitZoomLevelChanged);
+        connect(m_combo, &QComboBox::currentIndexChanged, this, &ZoomAction::emitZoomLevelChanged);
 
         return m_combo.data();
     }
diff --git a/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp b/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp
index a46cd9cb8a9..df8ba039910 100644
--- a/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp
+++ b/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp
@@ -178,7 +178,7 @@ QWidget *BindingDelegate::createEditor(QWidget *parent, const QStyleOptionViewIt
         default: qWarning() << "BindingDelegate::createEditor column" << index.column();
         }
 
-        connect(bindingComboBox, QOverload<int>::of(&QComboBox::activated), this, [=]() {
+        connect(bindingComboBox, &QComboBox::activated, this, [=] {
             auto delegate = const_cast<BindingDelegate*>(this);
             emit delegate->commitData(bindingComboBox);
         });
@@ -225,7 +225,7 @@ QWidget *DynamicPropertiesDelegate::createEditor(QWidget *parent, const QStyleOp
         case DynamicPropertiesModel::PropertyTypeRow: {
 
             auto dynamicPropertiesComboBox = new PropertiesComboBox(parent);
-            connect(dynamicPropertiesComboBox, QOverload<int>::of(&QComboBox::activated), this, [=]() {
+            connect(dynamicPropertiesComboBox, &QComboBox::activated, this, [=] {
                 auto delegate = const_cast<DynamicPropertiesDelegate*>(this);
                 emit delegate->commitData(dynamicPropertiesComboBox);
             });
@@ -386,7 +386,7 @@ QWidget *ConnectionDelegate::createEditor(QWidget *parent, const QStyleOptionVie
     default: qWarning() << "ConnectionDelegate::createEditor column" << index.column();
     }
 
-    connect(connectionComboBox, QOverload<int>::of(&QComboBox::activated), this, [=]() {
+    connect(connectionComboBox, &QComboBox::activated, this, [=] {
         auto delegate = const_cast<ConnectionDelegate*>(this);
         emit delegate->commitData(connectionComboBox);
     });
@@ -413,7 +413,7 @@ QWidget *BackendDelegate::createEditor(QWidget *parent, const QStyleOptionViewIt
         case BackendModel::TypeNameColumn: {
             auto backendComboBox = new PropertiesComboBox(parent);
             backendComboBox->addItems(model->possibleCppTypes());
-            connect(backendComboBox, QOverload<int>::of(&QComboBox::activated), this, [=]() {
+            connect(backendComboBox, &QComboBox::activated, this, [=] {
                 auto delegate = const_cast<BackendDelegate*>(this);
                 emit delegate->commitData(backendComboBox);
             });
diff --git a/src/plugins/qmldesigner/components/curveeditor/curveeditortoolbar.cpp b/src/plugins/qmldesigner/components/curveeditor/curveeditortoolbar.cpp
index b7bbf370511..ebae6e79590 100644
--- a/src/plugins/qmldesigner/components/curveeditor/curveeditortoolbar.cpp
+++ b/src/plugins/qmldesigner/components/curveeditor/curveeditortoolbar.cpp
@@ -101,13 +101,9 @@ CurveEditorToolBar::CurveEditorToolBar(CurveEditorModel *model, QWidget* parent)
     m_startSpin->setRange(std::numeric_limits<int>::lowest(), std::numeric_limits<int>::max());
     m_startSpin->setValue(model->minimumTime());
 
-    connect(
-        m_startSpin, QOverload<int>::of(&QSpinBox::valueChanged),
-        this, &CurveEditorToolBar::startFrameChanged);
-
-    connect(
-        model, &CurveEditorModel::commitStartFrame,
-        [this](int frame) { m_startSpin->setValue(frame); });
+    connect(m_startSpin, &QSpinBox::valueChanged, this, &CurveEditorToolBar::startFrameChanged);
+    connect(model, &CurveEditorModel::commitStartFrame,
+            this, [this](int frame) { m_startSpin->setValue(frame); });
 
     auto validateEnd = [this](int val) -> bool {
         if (m_startSpin==nullptr)
@@ -118,20 +114,14 @@ CurveEditorToolBar::CurveEditorToolBar(CurveEditorModel *model, QWidget* parent)
     m_endSpin->setRange(std::numeric_limits<int>::lowest(), std::numeric_limits<int>::max());
     m_endSpin->setValue(model->maximumTime());
 
-    connect(
-        m_endSpin, QOverload<int>::of(&QSpinBox::valueChanged),
-        this, &CurveEditorToolBar::endFrameChanged);
-
-    connect(
-        model, &CurveEditorModel::commitEndFrame,
-        [this](int frame) { m_endSpin->setValue(frame); });
+    connect(m_endSpin, &QSpinBox::valueChanged, this, &CurveEditorToolBar::endFrameChanged);
+    connect(model, &CurveEditorModel::commitEndFrame,
+            this, [this](int frame) { m_endSpin->setValue(frame); });
 
     m_currentSpin->setMinimum(0);
     m_currentSpin->setMaximum(std::numeric_limits<int>::max());
 
-    connect(
-        m_currentSpin, QOverload<int>::of(&QSpinBox::valueChanged),
-        this, &CurveEditorToolBar::currentFrameChanged);
+    connect(m_currentSpin, &QSpinBox::valueChanged, this, &CurveEditorToolBar::currentFrameChanged);
 
     auto *durationBox = new QHBoxLayout;
     durationBox->addWidget(new QLabel(tr("Start Frame")));
diff --git a/src/plugins/qmldesigner/components/formeditor/backgroundaction.cpp b/src/plugins/qmldesigner/components/formeditor/backgroundaction.cpp
index 7fc3b27f6c7..fbcdf2dbbbe 100644
--- a/src/plugins/qmldesigner/components/formeditor/backgroundaction.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/backgroundaction.cpp
@@ -71,7 +71,7 @@ QWidget *BackgroundAction::createWidget(QWidget *parent)
     }
 
     comboBox->setCurrentIndex(0);
-    connect(comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(comboBox, &QComboBox::currentIndexChanged,
             this, &BackgroundAction::emitBackgroundChanged);
 
     comboBox->setProperty("hideborder", true);
diff --git a/src/plugins/qmldesigner/components/integration/componentaction.cpp b/src/plugins/qmldesigner/components/integration/componentaction.cpp
index c3c6875d63e..4884e870d8c 100644
--- a/src/plugins/qmldesigner/components/integration/componentaction.cpp
+++ b/src/plugins/qmldesigner/components/integration/componentaction.cpp
@@ -53,8 +53,7 @@ QWidget *ComponentAction::createWidget(QWidget *parent)
     comboBox->setToolTip(tr("Edit sub components defined in this file."));
     comboBox->setModel(m_componentView->standardItemModel());
     comboBox->setCurrentIndex(-1);
-    connect(comboBox, QOverload<int>::of(&QComboBox::activated),
-            this, &ComponentAction::emitCurrentComponentChanged);
+    connect(comboBox, &QComboBox::activated, this, &ComponentAction::emitCurrentComponentChanged);
     connect(this, &ComponentAction::currentIndexChanged, comboBox, &QComboBox::setCurrentIndex);
 
     return comboBox;
diff --git a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp
index dc29dab8c1b..898743859bd 100644
--- a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp
+++ b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetimportdialog.cpp
@@ -565,8 +565,8 @@ QGridLayout *ItemLibraryAssetImportDialog::createOptionsGrid(
             optSpin->setMinimumWidth(controlMinWidth);
             optControl = optSpin;
             if (advanced) {
-                QObject::connect(optSpin, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-                                 [this, optSpin, optKey, optionsIndex]() {
+                QObject::connect(optSpin, &QDoubleSpinBox::valueChanged, this,
+                                 [this, optSpin, optKey, optionsIndex] {
                     QJsonObject optObj = m_importOptions[optionsIndex].value(optKey).toObject();
                     QJsonValue value(optSpin->value());
                     optObj.insert("value", value);
@@ -577,13 +577,13 @@ QGridLayout *ItemLibraryAssetImportDialog::createOptionsGrid(
                             m_labelToControlWidgetMaps[optionsIndex].value(optKey));
                 if (advSpin) {
                     // Connect corresponding advanced control
-                    QObject::connect(optSpin, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
-                                     this, [optSpin, advSpin]() {
+                    QObject::connect(optSpin, &QDoubleSpinBox::valueChanged,
+                                     this, [optSpin, advSpin] {
                         if (advSpin->value() != optSpin->value())
                             advSpin->setValue(optSpin->value());
                     });
-                    QObject::connect(advSpin, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
-                                     this, [optSpin, advSpin]() {
+                    QObject::connect(advSpin, &QDoubleSpinBox::valueChanged,
+                                     this, [optSpin, advSpin] {
                         if (advSpin->value() != optSpin->value())
                             optSpin->setValue(advSpin->value());
                     });
@@ -675,9 +675,8 @@ QGridLayout *ItemLibraryAssetImportDialog::createOptionsGrid(
                         w2->setEnabled(enable);
                     };
                     enableConditionally(optSpin, conLabel, conControl, mode);
-                    QObject::connect(
-                                optSpin, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
-                                optSpin, [optSpin, conLabel, conControl, mode, enableConditionally]() {
+                    QObject::connect(optSpin, &QDoubleSpinBox::valueChanged, optSpin,
+                                     [optSpin, conLabel, conControl, mode, enableConditionally] {
                         enableConditionally(optSpin, conLabel, conControl, mode);
                     });
                 }
diff --git a/src/plugins/qmldesigner/components/timelineeditor/canvasstyledialog.cpp b/src/plugins/qmldesigner/components/timelineeditor/canvasstyledialog.cpp
index 88d78615ca7..0adfdb8de3a 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/canvasstyledialog.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/canvasstyledialog.cpp
@@ -100,25 +100,21 @@ CanvasStyleDialog::CanvasStyleDialog(const CanvasStyle &style, QWidget *parent)
         emit styleChanged(out);
     };
 
-    auto doubleValueChanged = QOverload<double>::of(
-        &QDoubleSpinBox::valueChanged);
-    auto colorValueChanged = &ColorControl::valueChanged;
+    connect(m_aspect, &QDoubleSpinBox::valueChanged, this, emitValueChanged);
 
-    connect(m_aspect, doubleValueChanged, this, emitValueChanged);
+    connect(m_thinLineWidth, &QDoubleSpinBox::valueChanged, this, emitValueChanged);
+    connect(m_thickLineWidth, &QDoubleSpinBox::valueChanged, this, emitValueChanged);
 
-    connect(m_thinLineWidth, doubleValueChanged, this, emitValueChanged);
-    connect(m_thickLineWidth, doubleValueChanged, this, emitValueChanged);
+    connect(m_thinLineColor, &ColorControl::valueChanged, this, emitValueChanged);
+    connect(m_thickLineColor, &ColorControl::valueChanged, this, emitValueChanged);
 
-    connect(m_thinLineColor, colorValueChanged, this, emitValueChanged);
-    connect(m_thickLineColor, colorValueChanged, this, emitValueChanged);
+    connect(m_handleSize, &QDoubleSpinBox::valueChanged, this, emitValueChanged);
+    connect(m_handleLineWidth, &QDoubleSpinBox::valueChanged, this, emitValueChanged);
 
-    connect(m_handleSize, doubleValueChanged, this, emitValueChanged);
-    connect(m_handleLineWidth, doubleValueChanged, this, emitValueChanged);
+    connect(m_endPointColor, &ColorControl::valueChanged, this, emitValueChanged);
+    connect(m_interPointColor, &ColorControl::valueChanged, this, emitValueChanged);
 
-    connect(m_endPointColor, colorValueChanged, this, emitValueChanged);
-    connect(m_interPointColor, colorValueChanged, this, emitValueChanged);
-
-    connect(m_curveWidth, doubleValueChanged, this, emitValueChanged);
+    connect(m_curveWidth, &QDoubleSpinBox::valueChanged, this, emitValueChanged);
 }
 
 } // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/timelineeditor/easingcurvedialog.cpp b/src/plugins/qmldesigner/components/timelineeditor/easingcurvedialog.cpp
index 99e97d72de8..c7c6f7dd755 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/easingcurvedialog.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/easingcurvedialog.cpp
@@ -138,18 +138,10 @@ EasingCurveDialog::EasingCurveDialog(const QList<ModelNode> &frames, QWidget *pa
     mainBox->addWidget(tabWidget);
     setLayout(mainBox);
 
-    connect(m_splineEditor,
-            &SplineEditor::easingCurveChanged,
-            this,
-            &EasingCurveDialog::updateEasingCurve);
-
+    connect(m_splineEditor, &SplineEditor::easingCurveChanged,
+            this, &EasingCurveDialog::updateEasingCurve);
     connect(m_presets, &PresetEditor::presetChanged, m_splineEditor, &SplineEditor::setEasingCurve);
-
-    connect(durationEdit,
-            QOverload<int>::of(&QSpinBox::valueChanged),
-            m_splineEditor,
-            &SplineEditor::setDuration);
-
+    connect(durationEdit, &QSpinBox::valueChanged, m_splineEditor, &SplineEditor::setDuration);
     connect(animateButton, &QPushButton::clicked, m_splineEditor, &SplineEditor::animate);
 
     m_presets->initialize(presetBar);
diff --git a/src/plugins/qmldesigner/components/timelineeditor/timelineanimationform.cpp b/src/plugins/qmldesigner/components/timelineeditor/timelineanimationform.cpp
index 1797ae9bff4..83999c22bba 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/timelineanimationform.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/timelineanimationform.cpp
@@ -56,11 +56,11 @@ TimelineAnimationForm::TimelineAnimationForm(QWidget *parent)
     connectSpinBox(ui->startFrame, "from");
     connectSpinBox(ui->endFrame, "to");
 
-    connect(ui->loops, QOverload<int>::of(&QSpinBox::valueChanged), [this]() {
+    connect(ui->loops, &QSpinBox::valueChanged, this, [this] {
         ui->continuous->setChecked(ui->loops->value() == -1);
     });
 
-    connect(ui->continuous, &QCheckBox::toggled, [this](bool checked) {
+    connect(ui->continuous, &QCheckBox::toggled, this, [this](bool checked) {
         if (checked) {
             setProperty("loops", -1);
             ui->loops->setValue(-1);
@@ -70,7 +70,7 @@ TimelineAnimationForm::TimelineAnimationForm(QWidget *parent)
         }
     });
 
-    connect(ui->idLineEdit, &QLineEdit::editingFinished, [this]() {
+    connect(ui->idLineEdit, &QLineEdit::editingFinished, this, [this] {
         QTC_ASSERT(m_timeline.isValid(), return );
 
         static QString lastString;
@@ -105,7 +105,7 @@ TimelineAnimationForm::TimelineAnimationForm(QWidget *parent)
         }
     });
 
-    connect(ui->running, &QCheckBox::clicked, [this](bool checked) {
+    connect(ui->running, &QCheckBox::clicked, this, [this](bool checked) {
         if (checked) {
             setProperty("running", true);
         } else {
@@ -113,7 +113,7 @@ TimelineAnimationForm::TimelineAnimationForm(QWidget *parent)
         }
     });
 
-    connect(ui->pingPong, &QCheckBox::clicked, [this](bool checked) {
+    connect(ui->pingPong, &QCheckBox::clicked, this, [this](bool checked) {
         if (checked) {
             setProperty("pingPong", true);
         } else {
@@ -121,9 +121,7 @@ TimelineAnimationForm::TimelineAnimationForm(QWidget *parent)
         }
     });
 
-    connect(ui->transitionToState,
-            QOverload<int>::of(&QComboBox::activated),
-            [this](int index) {
+    connect(ui->transitionToState, &QComboBox::activated, this, [this](int index) {
                 if (!m_animation.isValid())
                     return;
                 if (!m_animation.view()->rootModelNode().hasId())
diff --git a/src/plugins/qmldesigner/components/timelineeditor/timelinesettingsmodel.cpp b/src/plugins/qmldesigner/components/timelineeditor/timelinesettingsmodel.cpp
index 5b636592db3..d93c1a66ec5 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/timelinesettingsmodel.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/timelinesettingsmodel.cpp
@@ -148,7 +148,7 @@ QWidget *TimelineEditorDelegate::createEditor(QWidget *parent,
     }
 
     if (comboBox) {
-        connect(comboBox, QOverload<int>::of(&QComboBox::activated), this, [=]() {
+        connect(comboBox, &QComboBox::activated, this, [=] {
             auto delegate = const_cast<TimelineEditorDelegate *>(this);
             emit delegate->commitData(comboBox);
         });
diff --git a/src/plugins/qmldesigner/designercore/instances/qprocessuniqueptr.h b/src/plugins/qmldesigner/designercore/instances/qprocessuniqueptr.h
index 9274f916b83..b7c47e13606 100644
--- a/src/plugins/qmldesigner/designercore/instances/qprocessuniqueptr.h
+++ b/src/plugins/qmldesigner/designercore/instances/qprocessuniqueptr.h
@@ -37,10 +37,7 @@ public:
     void operator()(QProcess *process)
     {
         process->disconnect();
-        QObject::connect(process,
-                         QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
-                         process,
-                         &QProcess::deleteLater);
+        QObject::connect(process, &QProcess::finished, process, &QProcess::deleteLater);
         process->kill();
     }
 };
diff --git a/src/plugins/qmldesigner/designmodewidget.cpp b/src/plugins/qmldesigner/designmodewidget.cpp
index 7a4ef38d8e0..0a7c1027fb2 100644
--- a/src/plugins/qmldesigner/designmodewidget.cpp
+++ b/src/plugins/qmldesigner/designmodewidget.cpp
@@ -427,10 +427,8 @@ void DesignModeWidget::setup()
                 workspaceComboBox->setCurrentText(m_dockManager->activeWorkspace());
     });
     connect(m_dockManager, &ADS::DockManager::workspaceLoaded, workspaceComboBox, &QComboBox::setCurrentText);
-    connect(workspaceComboBox,
-            QOverload<int>::of(&QComboBox::activated),
-            m_dockManager,
-            [this, workspaceComboBox]([[maybe_unused]] int index) {
+    connect(workspaceComboBox, &QComboBox::activated,
+            m_dockManager, [this, workspaceComboBox]([[maybe_unused]] int index) {
                 m_dockManager->openWorkspace(workspaceComboBox->currentText());
             });
 
diff --git a/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp b/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
index d3252ea8e3e..829a834fd0a 100644
--- a/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
+++ b/src/plugins/qmldesigner/qmlpreviewplugin/qmlpreviewactions.cpp
@@ -269,7 +269,7 @@ QWidget *SwitchLanguageComboboxAction::createWidget(QWidget *parent)
         refreshComboBoxFunction(project);
 
     // do this after refreshComboBoxFunction so we do not get currentLocaleChanged signals at initialization
-    connect(comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), [this, comboBox](int index) {
+    connect(comboBox, &QComboBox::currentIndexChanged, [this, comboBox](int index) {
         if (index == 0) // == Default
             emit currentLocaleChanged("");
         else
diff --git a/src/plugins/qmljseditor/qmljseditor.cpp b/src/plugins/qmljseditor/qmljseditor.cpp
index 41aff0b86b5..9572b4e40e5 100644
--- a/src/plugins/qmljseditor/qmljseditor.cpp
+++ b/src/plugins/qmljseditor/qmljseditor.cpp
@@ -571,7 +571,7 @@ void QmlJSEditorWidget::createToolBar()
     policy.setHorizontalPolicy(QSizePolicy::Expanding);
     m_outlineCombo->setSizePolicy(policy);
 
-    connect(m_outlineCombo, QOverload<int>::of(&QComboBox::activated),
+    connect(m_outlineCombo, &QComboBox::activated,
             this, &QmlJSEditorWidget::jumpToOutlineElement);
     connect(m_qmlJsEditorDocument->outlineModel(), &Internal::QmlOutlineModel::updated,
             static_cast<QTreeView *>(m_outlineCombo->view()), &QTreeView::expandAll);
diff --git a/src/plugins/qmljstools/qmljscodestylesettingswidget.cpp b/src/plugins/qmljstools/qmljscodestylesettingswidget.cpp
index 7cb7eb2dc50..7211d617e78 100644
--- a/src/plugins/qmljstools/qmljscodestylesettingswidget.cpp
+++ b/src/plugins/qmljstools/qmljscodestylesettingswidget.cpp
@@ -38,8 +38,7 @@ QmlJSCodeStyleSettingsWidget::QmlJSCodeStyleSettingsWidget(QWidget *parent) :
 {
     ui->setupUi(this);
 
-    auto spinValueChanged = QOverload<int>::of(&QSpinBox::valueChanged);
-    connect(ui->lineLengthSpinBox, spinValueChanged,
+    connect(ui->lineLengthSpinBox, &QSpinBox::valueChanged,
             this, &QmlJSCodeStyleSettingsWidget::slotSettingsChanged);
 }
 
diff --git a/src/plugins/qmlprojectmanager/qmlmainfileaspect.cpp b/src/plugins/qmlprojectmanager/qmlmainfileaspect.cpp
index 9eaeaddd4c9..8a52a6b63cc 100644
--- a/src/plugins/qmlprojectmanager/qmlmainfileaspect.cpp
+++ b/src/plugins/qmlprojectmanager/qmlmainfileaspect.cpp
@@ -85,8 +85,7 @@ void QmlMainFileAspect::addToLayout(LayoutBuilder &builder)
 
     connect(ProjectExplorerPlugin::instance(), &ProjectExplorerPlugin::fileListChanged,
             this, &QmlMainFileAspect::updateFileComboBox);
-    connect(m_fileListCombo, QOverload<int>::of(&QComboBox::activated),
-            this, &QmlMainFileAspect::setMainScript);
+    connect(m_fileListCombo, &QComboBox::activated, this, &QmlMainFileAspect::setMainScript);
 
     builder.addItems({tr("Main QML file:"), m_fileListCombo.data()});
 }