diff --git a/src/plugins/qmlprofiler/flamegraphmodel.cpp b/src/plugins/qmlprofiler/flamegraphmodel.cpp
index 9393b4213c6..7b2e26d2524 100644
--- a/src/plugins/qmlprofiler/flamegraphmodel.cpp
+++ b/src/plugins/qmlprofiler/flamegraphmodel.cpp
@@ -71,7 +71,7 @@ FlameGraphModel::FlameGraphModel(QmlProfilerModelManager *modelManager,
 void FlameGraphModel::clear()
 {
     beginResetModel();
-    m_stackBottom = FlameGraphData(0, -1, 0);
+    m_stackBottom = FlameGraphData(nullptr, -1, 0);
     m_callStack.clear();
     m_compileStack.clear();
     m_callStack.append(QmlEvent());
@@ -283,7 +283,7 @@ QModelIndex FlameGraphModel::index(int row, int column, const QModelIndex &paren
         FlameGraphData *parentData = static_cast<FlameGraphData *>(parent.internalPointer());
         return createIndex(row, column, parentData->children[row]);
     } else {
-        return createIndex(row, column, row >= 0 ? m_stackBottom.children[row] : 0);
+        return createIndex(row, column, row >= 0 ? m_stackBottom.children[row] : nullptr);
     }
 }
 
diff --git a/src/plugins/qmlprofiler/flamegraphmodel.h b/src/plugins/qmlprofiler/flamegraphmodel.h
index e55bb1f2302..d0040666b7a 100644
--- a/src/plugins/qmlprofiler/flamegraphmodel.h
+++ b/src/plugins/qmlprofiler/flamegraphmodel.h
@@ -38,7 +38,7 @@ namespace QmlProfiler {
 namespace Internal {
 
 struct FlameGraphData {
-    FlameGraphData(FlameGraphData *parent = 0, int typeIndex = -1, qint64 duration = 0);
+    FlameGraphData(FlameGraphData *parent = nullptr, int typeIndex = -1, qint64 duration = 0);
     ~FlameGraphData();
 
     qint64 duration;
@@ -76,7 +76,7 @@ public:
         MaxRole
     };
 
-    FlameGraphModel(QmlProfilerModelManager *modelManager, QObject *parent = 0);
+    FlameGraphModel(QmlProfilerModelManager *modelManager, QObject *parent = nullptr);
 
     QModelIndex index(int row, int column,
                       const QModelIndex &parent = QModelIndex()) const override;
diff --git a/src/plugins/qmlprofiler/flamegraphview.cpp b/src/plugins/qmlprofiler/flamegraphview.cpp
index 4de7fd1601e..d5b5bcca24e 100644
--- a/src/plugins/qmlprofiler/flamegraphview.cpp
+++ b/src/plugins/qmlprofiler/flamegraphview.cpp
@@ -85,7 +85,7 @@ void FlameGraphView::onVisibleFeaturesChanged(quint64 features)
 void FlameGraphView::contextMenuEvent(QContextMenuEvent *ev)
 {
     QMenu menu;
-    QAction *getGlobalStatsAction = 0;
+    QAction *getGlobalStatsAction = nullptr;
 
     QPoint position = ev->globalPos();
 
diff --git a/src/plugins/qmlprofiler/memoryusagemodel.cpp b/src/plugins/qmlprofiler/memoryusagemodel.cpp
index 3257883d71d..b379e7455bc 100644
--- a/src/plugins/qmlprofiler/memoryusagemodel.cpp
+++ b/src/plugins/qmlprofiler/memoryusagemodel.cpp
@@ -103,7 +103,7 @@ QVariantMap MemoryUsageModel::details(int index) const
     else
         result.insert(QLatin1String("displayName"), tr("Memory Freed"));
 
-    result.insert(tr("Total"), tr("%n bytes", 0, ev->size));
+    result.insert(tr("Total"), tr("%n byte(s)", nullptr, ev->size));
     if (ev->allocations > 0) {
         result.insert(tr("Allocated"), tr("%1 bytes").arg(ev->allocated));
         result.insert(tr("Allocations"), QString::number(ev->allocations));
diff --git a/src/plugins/qmlprofiler/qmlprofilerattachdialog.h b/src/plugins/qmlprofiler/qmlprofilerattachdialog.h
index c1167d39aac..29fac3eb132 100644
--- a/src/plugins/qmlprofiler/qmlprofilerattachdialog.h
+++ b/src/plugins/qmlprofiler/qmlprofilerattachdialog.h
@@ -39,7 +39,7 @@ class QmlProfilerAttachDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit QmlProfilerAttachDialog(QWidget *parent = 0);
+    explicit QmlProfilerAttachDialog(QWidget *parent = nullptr);
     ~QmlProfilerAttachDialog();
 
     int port() const;
diff --git a/src/plugins/qmlprofiler/qmlprofilerbindingloopsrenderpass.cpp b/src/plugins/qmlprofiler/qmlprofilerbindingloopsrenderpass.cpp
index f05146a09e3..c41ecffb83a 100644
--- a/src/plugins/qmlprofiler/qmlprofilerbindingloopsrenderpass.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilerbindingloopsrenderpass.cpp
@@ -70,7 +70,7 @@ struct BindlingLoopsGeometry {
     static const QSGGeometry::AttributeSet &point2DWithOffset();
     static const int maxEventsPerNode = 0xffff / 18;
 
-    BindlingLoopsGeometry() : allocatedVertices(0), usedVertices(0), currentY(-1), node(0) {}
+    BindlingLoopsGeometry() : allocatedVertices(0), usedVertices(0), currentY(-1), node(nullptr) {}
     uint allocatedVertices;
     uint usedVertices;
     float currentY;
@@ -170,7 +170,7 @@ Timeline::TimelineRenderPass::State *QmlProfilerBindingLoopsRenderPass::update(
         return oldState;
 
     BindingLoopsRenderPassState *state;
-    if (oldState == 0)
+    if (oldState == nullptr)
         state = new BindingLoopsRenderPassState(model);
     else
         state = static_cast<BindingLoopsRenderPassState *>(oldState);
@@ -327,7 +327,7 @@ void BindingLoopMaterialShader::updateState(const RenderState &state, QSGMateria
 
 char const *const *BindingLoopMaterialShader::attributeNames() const
 {
-    static const char *const attr[] = {"vertexCoord", "postScaleOffset", 0};
+    static const char *const attr[] = {"vertexCoord", "postScaleOffset", nullptr};
     return attr;
 }
 
diff --git a/src/plugins/qmlprofiler/qmlprofilerclientmanager.h b/src/plugins/qmlprofiler/qmlprofilerclientmanager.h
index 8946b595160..6acd81c52b0 100644
--- a/src/plugins/qmlprofiler/qmlprofilerclientmanager.h
+++ b/src/plugins/qmlprofiler/qmlprofilerclientmanager.h
@@ -44,7 +44,7 @@ class QmlProfilerClientManager : public QmlDebug::QmlDebugConnectionManager
 {
     Q_OBJECT
 public:
-    explicit QmlProfilerClientManager(QObject *parent = 0);
+    explicit QmlProfilerClientManager(QObject *parent = nullptr);
     void setProfilerStateManager(QmlProfilerStateManager *profilerState);
     void clearEvents();
     void setModelManager(QmlProfilerModelManager *modelManager);
diff --git a/src/plugins/qmlprofiler/qmlprofilerconfigwidget.h b/src/plugins/qmlprofiler/qmlprofilerconfigwidget.h
index 0daf884b78c..88d53fb85a9 100644
--- a/src/plugins/qmlprofiler/qmlprofilerconfigwidget.h
+++ b/src/plugins/qmlprofiler/qmlprofilerconfigwidget.h
@@ -41,7 +41,7 @@ class QmlProfilerConfigWidget : public QWidget
     Q_OBJECT
 
 public:
-    explicit QmlProfilerConfigWidget(QmlProfilerSettings *settings, QWidget *parent = 0);
+    explicit QmlProfilerConfigWidget(QmlProfilerSettings *settings, QWidget *parent = nullptr);
     ~QmlProfilerConfigWidget();
 
 private:
diff --git a/src/plugins/qmlprofiler/qmlprofilereventsview.h b/src/plugins/qmlprofiler/qmlprofilereventsview.h
index df9abad42d1..5671b424f9b 100644
--- a/src/plugins/qmlprofiler/qmlprofilereventsview.h
+++ b/src/plugins/qmlprofiler/qmlprofilereventsview.h
@@ -37,7 +37,7 @@ class QMLPROFILER_EXPORT QmlProfilerEventsView : public QWidget
 {
     Q_OBJECT
 public:
-    QmlProfilerEventsView(QWidget *parent = 0) : QWidget(parent) {}
+    QmlProfilerEventsView(QWidget *parent = nullptr) : QWidget(parent) {}
 
     virtual void selectByTypeId(int typeIndex) = 0;
     virtual void onVisibleFeaturesChanged(quint64 features) = 0;
diff --git a/src/plugins/qmlprofiler/qmlprofilermodelmanager.h b/src/plugins/qmlprofiler/qmlprofilermodelmanager.h
index a6ec8c4364d..922de6ff38e 100644
--- a/src/plugins/qmlprofiler/qmlprofilermodelmanager.h
+++ b/src/plugins/qmlprofiler/qmlprofilermodelmanager.h
@@ -58,7 +58,7 @@ public:
     typedef std::function<void(const QmlEvent &, const QmlEventType &)> EventLoader;
     typedef std::function<void()> Finalizer;
 
-    explicit QmlProfilerModelManager(QObject *parent = 0);
+    explicit QmlProfilerModelManager(QObject *parent = nullptr);
     ~QmlProfilerModelManager();
 
     State state() const;
diff --git a/src/plugins/qmlprofiler/qmlprofilerstatemanager.h b/src/plugins/qmlprofiler/qmlprofilerstatemanager.h
index e04870ab1c3..b0ce30440b6 100644
--- a/src/plugins/qmlprofiler/qmlprofilerstatemanager.h
+++ b/src/plugins/qmlprofiler/qmlprofilerstatemanager.h
@@ -40,7 +40,7 @@ public:
         AppDying,
     };
 
-    explicit QmlProfilerStateManager(QObject *parent = 0);
+    explicit QmlProfilerStateManager(QObject *parent = nullptr);
     ~QmlProfilerStateManager();
 
     QmlProfilerState currentState();
diff --git a/src/plugins/qmlprofiler/qmlprofilerstatewidget.cpp b/src/plugins/qmlprofiler/qmlprofilerstatewidget.cpp
index 6b2f455f0de..c25483490f9 100644
--- a/src/plugins/qmlprofiler/qmlprofilerstatewidget.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilerstatewidget.cpp
@@ -118,7 +118,7 @@ void QmlProfilerStateWidget::updateDisplay()
         // Heuristic to not show the number if the application will only send the events when it
         // stops. The number is still > 0 then because we get some StartTrace etc.
         uint numEvents = d->m_modelManager->numEvents();
-        showText(numEvents > 256 ? tr("Profiling application: %n events", 0, numEvents) :
+        showText(numEvents > 256 ? tr("Profiling application: %n events", nullptr, numEvents) :
                                    tr("Profiling application"));
         return;
     }
@@ -135,7 +135,7 @@ void QmlProfilerStateWidget::updateDisplay()
         if (d->m_profilerState->currentState() != QmlProfilerStateManager::Idle) {
             if (state == QmlProfilerModelManager::AcquiringData) {
                 // we don't know how much more, so progress numbers are strange here
-                showText(tr("Loading buffered data: %n events", 0,
+                showText(tr("Loading buffered data: %n events", nullptr,
                             d->m_modelManager->numEvents()));
             } else if (state == QmlProfilerModelManager::ClearingData) {
                 // when starting a second recording from the same process without aggregation
@@ -143,7 +143,7 @@ void QmlProfilerStateWidget::updateDisplay()
             }
         } else if (state == QmlProfilerModelManager::AcquiringData) {
             // Application died before all data could be read
-            showText(tr("Loading offline data: %n events", 0,
+            showText(tr("Loading offline data: %n events", nullptr,
                         d->m_modelManager->numEvents()));
         } else if (state == QmlProfilerModelManager::ClearingData) {
             showText(tr("Clearing old trace"));
diff --git a/src/plugins/qmlprofiler/qmlprofilerstatewidget.h b/src/plugins/qmlprofiler/qmlprofilerstatewidget.h
index bce98d9ce8e..376ea09fa0c 100644
--- a/src/plugins/qmlprofiler/qmlprofilerstatewidget.h
+++ b/src/plugins/qmlprofiler/qmlprofilerstatewidget.h
@@ -38,7 +38,8 @@ class QmlProfilerStateWidget : public QFrame
     Q_OBJECT
 public:
     explicit QmlProfilerStateWidget(QmlProfilerStateManager *stateManager,
-                                    QmlProfilerModelManager *modelManager, QWidget *parent = 0);
+                                    QmlProfilerModelManager *modelManager,
+                                    QWidget *parent = nullptr);
     ~QmlProfilerStateWidget();
 
 private:
diff --git a/src/plugins/qmlprofiler/qmlprofilerstatisticsview.cpp b/src/plugins/qmlprofiler/qmlprofilerstatisticsview.cpp
index 94849db8ff0..d3248e2201e 100644
--- a/src/plugins/qmlprofiler/qmlprofilerstatisticsview.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilerstatisticsview.cpp
@@ -130,10 +130,10 @@ QStringList QmlProfilerStatisticsView::details(int typeId) const
 void QmlProfilerStatisticsView::contextMenuEvent(QContextMenuEvent *ev)
 {
     QMenu menu;
-    QAction *copyRowAction = 0;
-    QAction *copyTableAction = 0;
-    QAction *showExtendedStatsAction = 0;
-    QAction *getGlobalStatsAction = 0;
+    QAction *copyRowAction = nullptr;
+    QAction *copyTableAction = nullptr;
+    QAction *showExtendedStatsAction = nullptr;
+    QAction *getGlobalStatsAction = nullptr;
 
     QPoint position = ev->globalPos();
 
diff --git a/src/plugins/qmlprofiler/qmlprofilertool.cpp b/src/plugins/qmlprofiler/qmlprofilertool.cpp
index c5ddd3e2d1e..e7542f6e52d 100644
--- a/src/plugins/qmlprofiler/qmlprofilertool.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilertool.cpp
@@ -98,31 +98,31 @@ namespace Internal {
 class QmlProfilerTool::QmlProfilerToolPrivate
 {
 public:
-    QmlProfilerStateManager *m_profilerState = 0;
-    QmlProfilerClientManager *m_profilerConnections = 0;
-    QmlProfilerModelManager *m_profilerModelManager = 0;
+    QmlProfilerStateManager *m_profilerState = nullptr;
+    QmlProfilerClientManager *m_profilerConnections = nullptr;
+    QmlProfilerModelManager *m_profilerModelManager = nullptr;
 
-    QmlProfilerViewManager *m_viewContainer = 0;
-    QToolButton *m_recordButton = 0;
-    QMenu *m_recordFeaturesMenu = 0;
+    QmlProfilerViewManager *m_viewContainer = nullptr;
+    QToolButton *m_recordButton = nullptr;
+    QMenu *m_recordFeaturesMenu = nullptr;
 
-    QAction *m_startAction = 0;
-    QAction *m_stopAction = 0;
-    QToolButton *m_clearButton = 0;
+    QAction *m_startAction = nullptr;
+    QAction *m_stopAction = nullptr;
+    QToolButton *m_clearButton = nullptr;
 
     // open search
-    QToolButton *m_searchButton = 0;
+    QToolButton *m_searchButton = nullptr;
 
     // hide and show categories
-    QToolButton *m_displayFeaturesButton = 0;
-    QMenu *m_displayFeaturesMenu = 0;
+    QToolButton *m_displayFeaturesButton = nullptr;
+    QMenu *m_displayFeaturesMenu = nullptr;
 
     // save and load actions
-    QAction *m_saveQmlTrace = 0;
-    QAction *m_loadQmlTrace = 0;
+    QAction *m_saveQmlTrace = nullptr;
+    QAction *m_loadQmlTrace = nullptr;
 
     // elapsed time display
-    QLabel *m_timeLabel = 0;
+    QLabel *m_timeLabel = nullptr;
     QTimer m_recordingTimer;
     QTime m_recordingElapsedTime;
 
@@ -160,7 +160,7 @@ QmlProfilerTool::QmlProfilerTool()
             this, &QmlProfilerTool::onLoadSaveFinished);
 
     d->m_profilerConnections->setModelManager(d->m_profilerModelManager);
-    Command *command = 0;
+    Command *command = nullptr;
 
     ActionContainer *menu = ActionManager::actionContainer(M_DEBUG_ANALYZER);
     ActionContainer *options = ActionManager::createMenu("Analyzer.Menu.QMLOptions");
diff --git a/src/plugins/qmlprofiler/qmlprofilertraceview.cpp b/src/plugins/qmlprofiler/qmlprofilertraceview.cpp
index 31abdb61589..ea6e53406d3 100644
--- a/src/plugins/qmlprofiler/qmlprofilertraceview.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilertraceview.cpp
@@ -266,7 +266,7 @@ void QmlProfilerTraceView::contextMenuEvent(QContextMenuEvent *ev)
 void QmlProfilerTraceView::showContextMenu(QPoint position)
 {
     QMenu menu;
-    QAction *viewAllAction = 0;
+    QAction *viewAllAction = nullptr;
 
     menu.addActions(QmlProfilerTool::profilerContextMenuActions());
     menu.addSeparator();
diff --git a/src/plugins/qmlprofiler/qmlprofilerviewmanager.cpp b/src/plugins/qmlprofiler/qmlprofilerviewmanager.cpp
index adee2f97a95..a18ffa8a8ec 100644
--- a/src/plugins/qmlprofiler/qmlprofilerviewmanager.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilerviewmanager.cpp
@@ -51,7 +51,7 @@ QmlProfilerViewManager::QmlProfilerViewManager(QObject *parent,
     QTC_ASSERT(m_profilerModelManager, return);
     QTC_ASSERT(m_profilerState, return);
 
-    m_traceView = new QmlProfilerTraceView(0, this, m_profilerModelManager);
+    m_traceView = new QmlProfilerTraceView(nullptr, this, m_profilerModelManager);
     connect(m_traceView, &QmlProfilerTraceView::gotoSourceLocation,
             this, &QmlProfilerViewManager::gotoSourceLocation);
     connect(m_traceView, &QmlProfilerTraceView::typeSelected,
@@ -96,7 +96,7 @@ QmlProfilerViewManager::QmlProfilerViewManager(QObject *parent,
     }
     perspective->addOperation({m_statisticsView->objectName().toLatin1(), m_statisticsView,
                                anchorDockId, Perspective::AddToTab});
-    perspective->addOperation({anchorDockId, 0, {}, Perspective::Raise});
+    perspective->addOperation({anchorDockId, nullptr, {}, Perspective::Raise});
 
     Debugger::registerPerspective(Constants::QmlProfilerPerspectiveId, perspective);
 }