diff --git a/src/libs/advanceddockingsystem/elidinglabel.cpp b/src/libs/advanceddockingsystem/elidinglabel.cpp
index 47ada904610..f5c02502f76 100644
--- a/src/libs/advanceddockingsystem/elidinglabel.cpp
+++ b/src/libs/advanceddockingsystem/elidinglabel.cpp
@@ -151,11 +151,7 @@ namespace ADS {
             return QLabel::minimumSizeHint();
 
         const QFontMetrics &fm = fontMetrics();
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
         QSize size(fm.horizontalAdvance(d->m_text.left(2) + "…"), fm.height());
-#else
-        QSize size(fm.width(d->m_text.left(2) + "…"), fm.height());
-#endif
         return size;
     }
 
@@ -165,11 +161,7 @@ namespace ADS {
             return QLabel::sizeHint();
 
         const QFontMetrics &fm = fontMetrics();
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
         QSize size(fm.horizontalAdvance(d->m_text), QLabel::sizeHint().height());
-#else
-        QSize size(fm.width(d->m_text), QLabel::sizeHint().height());
-#endif
         return size;
     }
 
diff --git a/src/libs/advanceddockingsystem/floatingdockcontainer.cpp b/src/libs/advanceddockingsystem/floatingdockcontainer.cpp
index d0b8766c7b2..59575ab20ad 100644
--- a/src/libs/advanceddockingsystem/floatingdockcontainer.cpp
+++ b/src/libs/advanceddockingsystem/floatingdockcontainer.cpp
@@ -878,13 +878,8 @@ bool FloatingDockContainer::event(QEvent *event)
         // is clicked.
         // It is really great to work around the whole NonClientMouseArea
         // bugs
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 2))
         if (event->type() == QEvent::NonClientAreaMouseButtonPress
                 /*&& QGuiApplication::mouseButtons().testFlag(Qt::LeftButton)*/)
-#else
-        if (event->type() == QEvent::NonClientAreaMouseButtonPress
-                && QGuiApplication::mouseButtons().testFlag(Qt::LeftButton))
-#endif
         {
             qCInfo(adsLog) << Q_FUNC_INFO << "QEvent::NonClientAreaMouseButtonPress"
                                           << event->type();
diff --git a/src/libs/modelinglib/qmt/infrastructure/geometryutilities.cpp b/src/libs/modelinglib/qmt/infrastructure/geometryutilities.cpp
index 91886cf49ed..711b71a4572 100644
--- a/src/libs/modelinglib/qmt/infrastructure/geometryutilities.cpp
+++ b/src/libs/modelinglib/qmt/infrastructure/geometryutilities.cpp
@@ -64,11 +64,7 @@ bool GeometryUtilities::intersect(const QPolygonF &polygon, const QLineF &line,
     for (int i = 0; i <= polygon.size() - 2; ++i) {
         QLineF polygonLine(polygon.at(i), polygon.at(i+1));
         QPointF point;
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-        QLineF::IntersectType intersectionType = polygonLine.intersect(line, &point);
-#else
         QLineF::IntersectType intersectionType = polygonLine.intersects(line, &point);
-#endif
         if (intersectionType == QLineF::BoundedIntersection) {
             qreal dist = QLineF(point, nearestPoint <= 0 ? line.p1() : line.p2()).length();
             if (!found || dist < mindist) {
@@ -102,11 +98,7 @@ bool GeometryUtilities::intersect(const QList<QPolygonF> &polygons, const QLineF
         for (int i = 0; i <= polygon.size() - 2; ++i) {
             const QLineF polygonLine(polygon.at(i), polygon.at(i + 1));
             QPointF point;
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-            QLineF::IntersectType intersectionType = polygonLine.intersect(line, &point);
-#else
             QLineF::IntersectType intersectionType = polygonLine.intersects(line, &point);
-#endif
             if (intersectionType == QLineF::BoundedIntersection) {
                 qreal dist = QLineF(point, nearestPoint <= 0 ? line.p1() : line.p2()).length();
                 if (!found || dist < mindist) {
diff --git a/src/libs/modelinglib/qmt/model_widgets_ui/propertiesviewmview.cpp b/src/libs/modelinglib/qmt/model_widgets_ui/propertiesviewmview.cpp
index fbb0f2520db..199422cb316 100644
--- a/src/libs/modelinglib/qmt/model_widgets_ui/propertiesviewmview.cpp
+++ b/src/libs/modelinglib/qmt/model_widgets_ui/propertiesviewmview.cpp
@@ -352,13 +352,8 @@ void PropertiesView::MView::visitMElement(const MElement *element)
         m_stereotypeComboBox->addItems(m_propertiesView->stereotypeController()->knownStereotypes(m_stereotypeElement));
         connect(m_stereotypeComboBox->lineEdit(), &QLineEdit::textEdited,
                 this, &PropertiesView::MView::onStereotypesChanged);
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-        connect(m_stereotypeComboBox, QOverload<const QString &>::of(&QComboBox::activated),
-                this, &PropertiesView::MView::onStereotypesChanged);
-#else
         connect(m_stereotypeComboBox, &QComboBox::textActivated,
                 this, &PropertiesView::MView::onStereotypesChanged);
-#endif
     }
     if (!m_stereotypeComboBox->hasFocus()) {
         QList<QString> stereotypeList;
diff --git a/src/libs/tracing/timelinerenderer.cpp b/src/libs/tracing/timelinerenderer.cpp
index 2abd234e01a..195e08edc9b 100644
--- a/src/libs/tracing/timelinerenderer.cpp
+++ b/src/libs/tracing/timelinerenderer.cpp
@@ -209,13 +209,8 @@ void TimelineRenderer::wheelEvent(QWheelEvent *event)
 
         int degrees = (event->angleDelta().x() + event->angleDelta().y()) / 8;
         const qint64 circle = 360;
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-        qint64 mouseTime = event->pos().x() * zoom->windowDuration() / width() +
-                zoom->windowStart();
-#else
         qint64 mouseTime = event->position().toPoint().x() * zoom->windowDuration() / width() +
                 zoom->windowStart();
-#endif
         qint64 beforeMouse = (mouseTime - zoom->rangeStart()) * (circle - degrees) / circle;
         qint64 afterMouse = (zoom->rangeEnd() - mouseTime) * (circle - degrees) / circle;
 
diff --git a/src/libs/utils/algorithm.h b/src/libs/utils/algorithm.h
index 772c6b1c918..62bcace8ef9 100644
--- a/src/libs/utils/algorithm.h
+++ b/src/libs/utils/algorithm.h
@@ -1283,37 +1283,21 @@ OutputIterator set_union(InputIterator1 first1,
 template <class T>
 QSet<T> toSet(const QList<T> &list)
 {
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-    return list.toSet();
-#else
     return QSet<T>(list.begin(), list.end());
-#endif
 }
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 template<class T>
 QSet<T> toSet(const QVector<T> &vec)
 {
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-    QSet<T> result;
-    for (const T &p : vec) {
-        result.insert(p);
-    }
-    return result;
-#else
     return QSet<T>(vec.begin(), vec.end());
-#endif
 }
 #endif
 
 template<class T>
 QList<T> toList(const QSet<T> &set)
 {
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-    return set.toList();
-#else
     return QList<T>(set.begin(), set.end());
-#endif
 }
 
 template <class Key, class T>
diff --git a/src/libs/utils/porting.h b/src/libs/utils/porting.h
index 1b5fa07be89..f8d945a0c41 100644
--- a/src/libs/utils/porting.h
+++ b/src/libs/utils/porting.h
@@ -35,6 +35,7 @@
 namespace Utils {
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+// Keep the support code for lower Qt versions for sdktool
 constexpr QString::SplitBehavior SkipEmptyParts = QString::SkipEmptyParts;
 #else
 constexpr Qt::SplitBehaviorFlags SkipEmptyParts = Qt::SkipEmptyParts;
diff --git a/src/plugins/coreplugin/generalsettings.cpp b/src/plugins/coreplugin/generalsettings.cpp
index d04dd5e5699..8cab624ca38 100644
--- a/src/plugins/coreplugin/generalsettings.cpp
+++ b/src/plugins/coreplugin/generalsettings.cpp
@@ -94,9 +94,6 @@ GeneralSettingsWidget::GeneralSettingsWidget(GeneralSettings *q)
                 tr("Show keyboard shortcuts in context menus (default: %1)")
                 .arg(q->m_defaultShowShortcutsInContextMenu ? tr("on") : tr("off")));
     m_ui.showShortcutsInContextMenus->setChecked(GeneralSettings::showShortcutsInContextMenu());
-#if (QT_VERSION < QT_VERSION_CHECK(5, 13, 0))
-    m_ui.showShortcutsInContextMenus->setVisible(false);
-#endif
 
     if (Utils::HostOsInfo::isMacHost()) {
         m_ui.dpiCheckbox->setVisible(false);
@@ -250,9 +247,7 @@ void GeneralSettings::setShowShortcutsInContextMenu(bool show)
     ICore::settings()->setValueWithDefault(settingsKeyShortcutsInContextMenu,
                                            show,
                                            m_defaultShowShortcutsInContextMenu);
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 13, 0))
     QGuiApplication::styleHints()->setShowShortcutsInContextMenus(show);
-#endif
 }
 
 GeneralSettings::GeneralSettings()
diff --git a/src/plugins/coreplugin/jsexpander.cpp b/src/plugins/coreplugin/jsexpander.cpp
index 22a45626851..25411ca5093 100644
--- a/src/plugins/coreplugin/jsexpander.cpp
+++ b/src/plugins/coreplugin/jsexpander.cpp
@@ -36,20 +36,6 @@
 
 #include <unordered_map>
 
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-namespace std {
-template<> struct hash<QString>
-{
-    using argument_type = QString;
-    using result_type = size_t;
-    result_type operator()(const argument_type &v) const
-    {
-        return hash<string>()(v.toStdString());
-    }
-};
-} // namespace std
-#endif
-
 using ExtensionMap = std::unordered_map<QString, Core::JsExpander::ObjectFactory>;
 Q_GLOBAL_STATIC(ExtensionMap, globalJsExtensions);
 
diff --git a/src/plugins/help/localhelpmanager.cpp b/src/plugins/help/localhelpmanager.cpp
index 4615e9716e6..49d09d28855 100644
--- a/src/plugins/help/localhelpmanager.cpp
+++ b/src/plugins/help/localhelpmanager.cpp
@@ -33,10 +33,8 @@
 
 #ifdef QTC_WEBENGINE_HELPVIEWER
 #include "webenginehelpviewer.h"
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 #include <QWebEngineUrlScheme>
 #endif
-#endif
 #ifdef QTC_LITEHTML_HELPVIEWER
 #include "litehtmlhelpviewer.h"
 #endif
diff --git a/src/plugins/help/webenginehelpviewer.cpp b/src/plugins/help/webenginehelpviewer.cpp
index 32c780113c3..65d80c4d30c 100644
--- a/src/plugins/help/webenginehelpviewer.cpp
+++ b/src/plugins/help/webenginehelpviewer.cpp
@@ -152,11 +152,7 @@ WebEngineHelpViewer::WebEngineHelpViewer(QWidget *parent) :
     QTC_ASSERT(viewProfile, return);
     if (!viewProfile->urlSchemeHandler("qthelp"))
         viewProfile->installUrlSchemeHandler("qthelp", helpUrlSchemeHandler());
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 13, 0))
     viewProfile->setUrlRequestInterceptor(helpurlRequestInterceptor());
-#else
-    viewProfile->setRequestInterceptor(helpurlRequestInterceptor());
-#endif
 }
 
 void WebEngineHelpViewer::setViewerFont(const QFont &font)
diff --git a/src/plugins/modeleditor/editordiagramview.cpp b/src/plugins/modeleditor/editordiagramview.cpp
index f2c074b25cd..7b25a964ff5 100644
--- a/src/plugins/modeleditor/editordiagramview.cpp
+++ b/src/plugins/modeleditor/editordiagramview.cpp
@@ -72,11 +72,7 @@ void EditorDiagramView::wheelEvent(QWheelEvent *wheelEvent)
 {
     if (wheelEvent->modifiers() == Qt::ControlModifier) {
         int degree = wheelEvent->angleDelta().y() / 8;
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-        QPoint zoomOrigin = wheelEvent->pos();
-#else
         QPoint zoomOrigin = wheelEvent->position().toPoint();
-#endif
         if (degree > 0)
             emit zoomIn(zoomOrigin);
         else if (degree < 0)
diff --git a/src/plugins/projectexplorer/buildsteplist.cpp b/src/plugins/projectexplorer/buildsteplist.cpp
index 759deeceadc..0a60422dbb1 100644
--- a/src/plugins/projectexplorer/buildsteplist.cpp
+++ b/src/plugins/projectexplorer/buildsteplist.cpp
@@ -192,11 +192,7 @@ bool BuildStepList::removeStep(int position)
 
 void BuildStepList::moveStepUp(int position)
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
     m_steps.swapItemsAt(position - 1, position);
-#else
-    m_steps.swap(position - 1, position);
-#endif
     emit stepMoved(position, position - 1);
 }
 
diff --git a/src/plugins/qmldesigner/components/componentcore/changestyleaction.cpp b/src/plugins/qmldesigner/components/componentcore/changestyleaction.cpp
index 1c1eba4944e..4d6cdf216f9 100644
--- a/src/plugins/qmldesigner/components/componentcore/changestyleaction.cpp
+++ b/src/plugins/qmldesigner/components/componentcore/changestyleaction.cpp
@@ -91,11 +91,7 @@ QWidget *ChangeStyleWidgetAction::createWidget(QWidget *parent)
     });
 
     connect(comboBox,
-        #if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-            QOverload<const QString &>::of(&QComboBox::activated),
-        #else
             &QComboBox::textActivated,
-        #endif
             this,
             [this](const QString &style) {
 
diff --git a/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.cpp b/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.cpp
index fbead98717d..6afa715f4df 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.cpp
@@ -167,12 +167,7 @@ QString GradientPresetItem::getNameByPreset(Preset value)
 
 QGradient GradientPresetItem::createGradientFromPreset(Preset value)
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     return QGradient(value);
-#else
-    Q_UNUSED(value)
-    return {};
-#endif
 }
 
 QDebug &operator<<(QDebug &stream, const GradientPresetItem &gradient)
diff --git a/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.h b/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.h
index cec45bb4af0..ba5f2903e51 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.h
+++ b/src/plugins/qmldesigner/components/propertyeditor/gradientpresetitem.h
@@ -39,17 +39,8 @@ class GradientPresetItem
     Q_PROPERTY(int presetID READ presetID FINAL)
 
 public:
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     using Preset = QGradient::Preset;
-#else
-    enum Preset {};
-#endif
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     static const int numPresets = Preset::NumPresets;
-#else
-    static const int numPresets = 181;
-#endif
 
     explicit GradientPresetItem();
     explicit GradientPresetItem(const QGradient &value, const QString &name = QString());
diff --git a/src/plugins/qmldesigner/components/richtexteditor/richtexteditor.cpp b/src/plugins/qmldesigner/components/richtexteditor/richtexteditor.cpp
index c58bed2995a..9690ea1c68f 100644
--- a/src/plugins/qmldesigner/components/richtexteditor/richtexteditor.cpp
+++ b/src/plugins/qmldesigner/components/richtexteditor/richtexteditor.cpp
@@ -579,11 +579,7 @@ void RichTextEditor::setupTableActions()
             tableFormat.setCellSpacing(2.0);
             tableFormat.setCellPadding(2.0);
             tableFormat.setBorder(1.0);
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
             tableFormat.setBorderCollapse(true);
-#endif
-
             cursor.insertTable(1, 1, tableFormat);
 
             //move cursor into the first cell of the table:
diff --git a/src/plugins/qmldesigner/components/timelineeditor/timelinecontrols.cpp b/src/plugins/qmldesigner/components/timelineeditor/timelinecontrols.cpp
index 21f5af9eff4..185b12ea422 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/timelinecontrols.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/timelinecontrols.cpp
@@ -56,9 +56,7 @@ FloatControl::FloatControl()
     setValue(0.0);
     setButtonSymbols(QAbstractSpinBox::NoButtons);
     setFrame(false);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     setStepType(QAbstractSpinBox::AdaptiveDecimalStepType);
-#endif
 
     setMinimum(std::numeric_limits<float>::lowest());
     setMaximum(std::numeric_limits<float>::max());
diff --git a/src/plugins/qmldesigner/designermcumanager.cpp b/src/plugins/qmldesigner/designermcumanager.cpp
index d173ab6766c..45bdde3b510 100644
--- a/src/plugins/qmldesigner/designermcumanager.cpp
+++ b/src/plugins/qmldesigner/designermcumanager.cpp
@@ -186,22 +186,12 @@ void DesignerMcuManager::readVersionData(const DesignerMcuManager::Version &vers
         //handling banned properties:
         const QStringList bannedProperties = readPropertyList("bannedProperties", child);
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
         m_bannedProperties.unite(QSet<QString>(bannedProperties.begin(), bannedProperties.end()));
-#elif
-        m_bannedProperties.unite(QSet<QString>::fromList(bannedProperties));
-#endif
-
     }
 
     const QList<QString> bannedItems = readPropertyList("bannedItems", versionData);
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
-        m_bannedItems = QSet<QString>(bannedItems.begin(), bannedItems.end());
-#elif
-        m_bannedItems = QSet<QString>::fromList(bannedItems);
-#endif
-
+    m_bannedItems = QSet<QString>(bannedItems.begin(), bannedItems.end());
     m_allowedImports = readPropertyList("allowedImports", versionData);
     m_bannedImports = readPropertyList("bannedImports", versionData);
     m_currentVersion = version;
diff --git a/src/plugins/qmldesigner/designersettings.cpp b/src/plugins/qmldesigner/designersettings.cpp
index ed12230ff93..a08f5cae62f 100644
--- a/src/plugins/qmldesigner/designersettings.cpp
+++ b/src/plugins/qmldesigner/designersettings.cpp
@@ -76,13 +76,7 @@ void DesignerSettings::fromSettings(QSettings *settings)
     restoreValue(settings, DesignerSettingsKey::NAVIGATOR_SHOW_ONLY_VISIBLE_ITEMS, true);
     restoreValue(settings, DesignerSettingsKey::NAVIGATOR_REVERSE_ITEM_ORDER, false);
     restoreValue(settings, DesignerSettingsKey::STANDALONE_MODE, false);
-    restoreValue(settings, DesignerSettingsKey::ENABLE_TIMELINEVIEW,
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-                 false
-#else
-                 true
-#endif
-                 );
+    restoreValue(settings, DesignerSettingsKey::ENABLE_TIMELINEVIEW, true);
     restoreValue(settings, DesignerSettingsKey::SIMPLE_COLOR_PALETTE_CONTENT, QStringList());
     restoreValue(settings, DesignerSettingsKey::ALWAYS_DESIGN_MODE, true);
     restoreValue(settings, DesignerSettingsKey::DISABLE_ITEM_LIBRARY_UPDATE_TIMER, true);
diff --git a/src/plugins/scxmleditor/common/navigatorgraphicsview.cpp b/src/plugins/scxmleditor/common/navigatorgraphicsview.cpp
index e49aaaefca6..654d6695d94 100644
--- a/src/plugins/scxmleditor/common/navigatorgraphicsview.cpp
+++ b/src/plugins/scxmleditor/common/navigatorgraphicsview.cpp
@@ -80,11 +80,7 @@ void NavigatorGraphicsView::wheelEvent(QWheelEvent *event)
         else
             emit zoomOut();
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-        emit moveMainViewTo(mapToScene(event->pos()));
-#else
         emit moveMainViewTo(mapToScene(event->position().toPoint()));
-#endif
     } else
         QGraphicsView::wheelEvent(event);
 }
diff --git a/src/plugins/scxmleditor/plugin_interface/sceneutils.cpp b/src/plugins/scxmleditor/plugin_interface/sceneutils.cpp
index d90dbabe951..97fd56c7f6e 100644
--- a/src/plugins/scxmleditor/plugin_interface/sceneutils.cpp
+++ b/src/plugins/scxmleditor/plugin_interface/sceneutils.cpp
@@ -225,11 +225,7 @@ void layout(const QList<QGraphicsItem*> &items)
         firstItem = initialItem->outputTransitions().constFirst()->connectedItem(initialItem);
         int index = childItems.indexOf(firstItem);
         if (index > 0)
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-            childItems.swap(index, 0);
-#else
             childItems.swapItemsAt(index, 0);
-#endif
     }
 
     // Search final-item
diff --git a/src/plugins/scxmleditor/plugin_interface/transitionitem.cpp b/src/plugins/scxmleditor/plugin_interface/transitionitem.cpp
index 307af62f6f9..84c3d66683d 100644
--- a/src/plugins/scxmleditor/plugin_interface/transitionitem.cpp
+++ b/src/plugins/scxmleditor/plugin_interface/transitionitem.cpp
@@ -306,19 +306,11 @@ void TransitionItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
                     QPointF intersPoint;
                     QLineF line2(p, p + QPointF(SELECTION_DISTANCE, SELECTION_DISTANCE));
                     line2.setAngle(line.angle() + 90);
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-                    if (line.intersect(line2, &intersPoint) == QLineF::BoundedIntersection)
-#else
-                    if (line.intersects(line2, &intersPoint) == QLineF::BoundedIntersection)
-#endif
+                    if (line.intersects(line2, &intersPoint) == QLineF::BoundedIntersection) {
                         sel = true;
-                    else {
+                    } else {
                         line2.setAngle(line.angle() - 90);
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-                        sel = line.intersect(line2, &intersPoint) == QLineF::BoundedIntersection;
-#else
                         sel = line.intersects(line2, &intersPoint) == QLineF::BoundedIntersection;
-#endif
                     }
 
                     if (sel)
@@ -805,11 +797,7 @@ QPointF TransitionItem::findIntersectionPoint(ConnectableItem *item, const QLine
         for (int i = 1; i < itemPolygon.count(); ++i) {
             p2 = itemPolygon.at(i) + item->scenePos();
             checkLine = QLineF(p1, p2);
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-            if (checkLine.intersect(line, &intersectPoint) == QLineF::BoundedIntersection)
-#else
             if (checkLine.intersects(line, &intersectPoint) == QLineF::BoundedIntersection)
-#endif
                 return intersectPoint;
             p1 = p2;
         }
@@ -1096,19 +1084,11 @@ bool TransitionItem::containsScenePoint(const QPointF &p) const
         QPointF intersPoint;
         QLineF line2(pp, pp + QPointF(SELECTION_DISTANCE, SELECTION_DISTANCE));
         line2.setAngle(line.angle() + 90);
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-        if (line.intersect(line2, &intersPoint) == QLineF::BoundedIntersection) {
-#else
         if (line.intersects(line2, &intersPoint) == QLineF::BoundedIntersection) {
-#endif
             return true;
         } else {
             line2.setAngle(line.angle() - 90);
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-            if (line.intersect(line2, &intersPoint) == QLineF::BoundedIntersection)
-#else
             if (line.intersects(line2, &intersPoint) == QLineF::BoundedIntersection)
-#endif
                 return true;
         }
     }
diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 8b4d0bd8529..520305d1aa2 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -1214,11 +1214,7 @@ void TextEditorWidgetPrivate::print(QPrinter *printer)
     QAbstractTextDocumentLayout *layout = doc->documentLayout();
     layout->setPaintDevice(p.device());
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-    int dpiy = p.device()->logicalDpiY();
-#else
     int dpiy = qRound(QGuiApplication::primaryScreen()->logicalDotsPerInchY());
-#endif
     int margin = int((2/2.54)*dpiy); // 2 cm margins
 
     QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
diff --git a/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp b/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp
index dd528efa71c..95fb9612f15 100644
--- a/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp
+++ b/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp
@@ -4709,7 +4709,6 @@ void tst_TestCore::testImplicitComponents()
 
 void tst_TestCore::testRevisionedProperties()
 {
-#if QT_VERSION > QT_VERSION_CHECK(5, 11, 0)
     const char* qmlString
             =   "import QtQuick 2.12\n"
                 "import QtQuick.Controls 2.0\n"
@@ -4761,8 +4760,6 @@ void tst_TestCore::testRevisionedProperties()
 
     QVERIFY(metaInfo12.hasProperty("orientation"));
     QVERIFY(metaInfoU.hasProperty("orientation"));
-
-#endif
 }
 
 void tst_TestCore::testStatesRewriter()