diff --git a/src/plugins/debugger/analyzer/analyzerrunconfigwidget.h b/src/plugins/debugger/analyzer/analyzerrunconfigwidget.h
index df13971da6c..fcc7766519d 100644
--- a/src/plugins/debugger/analyzer/analyzerrunconfigwidget.h
+++ b/src/plugins/debugger/analyzer/analyzerrunconfigwidget.h
@@ -46,7 +46,7 @@ class DEBUGGER_EXPORT AnalyzerRunConfigWidget : public ProjectExplorer::RunConfi
 public:
     AnalyzerRunConfigWidget(ProjectExplorer::IRunConfigurationAspect *aspect);
 
-    QString displayName() const;
+    QString displayName() const override;
 
 private:
     void chooseSettings(int setting);
diff --git a/src/plugins/debugger/analyzer/detailederrorview.h b/src/plugins/debugger/analyzer/detailederrorview.h
index 9411244b07c..1614605412c 100644
--- a/src/plugins/debugger/analyzer/detailederrorview.h
+++ b/src/plugins/debugger/analyzer/detailederrorview.h
@@ -38,7 +38,7 @@ class DEBUGGER_EXPORT DetailedErrorView : public QTreeView
 
 public:
     DetailedErrorView(QWidget *parent = nullptr);
-    ~DetailedErrorView();
+    ~DetailedErrorView() override;
 
     void goNext();
     void goBack();
diff --git a/src/plugins/debugger/console/console.h b/src/plugins/debugger/console/console.h
index e68c5554714..ae2b394eace 100644
--- a/src/plugins/debugger/console/console.h
+++ b/src/plugins/debugger/console/console.h
@@ -54,23 +54,23 @@ class Console : public Core::IOutputPane
 
 public:
     Console();
-    ~Console();
+    ~Console() override;
 
-    QWidget *outputWidget(QWidget *);
-    QList<QWidget *> toolBarWidgets() const;
-    QString displayName() const { return tr("Debugger Console"); }
-    int priorityInStatusBar() const;
-    void clearContents();
-    void visibilityChanged(bool visible);
-    bool canFocus() const;
-    bool hasFocus() const;
-    void setFocus();
+    QWidget *outputWidget(QWidget *) override;
+    QList<QWidget *> toolBarWidgets() const override;
+    QString displayName() const override { return tr("Debugger Console"); }
+    int priorityInStatusBar() const override;
+    void clearContents() override;
+    void visibilityChanged(bool visible) override;
+    bool canFocus() const override;
+    bool hasFocus() const override;
+    void setFocus() override;
 
-    bool canNext() const;
-    bool canPrevious() const;
-    void goToNext();
-    void goToPrev();
-    bool canNavigate() const;
+    bool canNext() const override;
+    bool canPrevious() const override;
+    void goToNext() override;
+    void goToPrev() override;
+    bool canNavigate() const override;
 
     void readSettings();
     void setContext(const QString &context);
diff --git a/src/plugins/debugger/debuggeractions.h b/src/plugins/debugger/debuggeractions.h
index f10255f1512..60ee01ff0df 100644
--- a/src/plugins/debugger/debuggeractions.h
+++ b/src/plugins/debugger/debuggeractions.h
@@ -56,7 +56,7 @@ class DebuggerSettings : public QObject
 
 public:
     explicit DebuggerSettings();
-    ~DebuggerSettings();
+    ~DebuggerSettings() override;
 
     void insertItem(int code, Utils::SavedAction *item);
     Utils::SavedAction *item(int code) const;
diff --git a/src/plugins/debugger/debuggerdialogs.h b/src/plugins/debugger/debuggerdialogs.h
index 5a0bad32702..ef0c2e1bc4e 100644
--- a/src/plugins/debugger/debuggerdialogs.h
+++ b/src/plugins/debugger/debuggerdialogs.h
@@ -70,7 +70,7 @@ class StartApplicationDialog : public QDialog
 
 public:
     explicit StartApplicationDialog(QWidget *parent);
-    ~StartApplicationDialog();
+    ~StartApplicationDialog() override;
 
     static void attachToRemoteServer();
     static void startAndDebugApplication();
@@ -93,7 +93,7 @@ class AttachToQmlPortDialog : public QDialog
 
 public:
     explicit AttachToQmlPortDialog(QWidget *parent);
-    ~AttachToQmlPortDialog();
+    ~AttachToQmlPortDialog() override;
 
     int port() const;
     void setPort(const int port);
@@ -111,14 +111,14 @@ class StartRemoteCdbDialog : public QDialog
 
 public:
     explicit StartRemoteCdbDialog(QWidget *parent);
-    ~StartRemoteCdbDialog();
+    ~StartRemoteCdbDialog() override;
 
     QString connection() const;
     void setConnection(const QString &);
 
 private:
     void textChanged(const QString &);
-    void accept();
+    void accept() override;
 
     QPushButton *m_okButton;
     QLineEdit *m_lineEdit;
@@ -136,7 +136,7 @@ public:
 
 private:
      void textChanged();
-     void accept();
+     void accept() override;
 
      void setOkButtonEnabled(bool v);
      bool isOkButtonEnabled() const;
@@ -153,7 +153,7 @@ class StartRemoteEngineDialog : public QDialog
 
 public:
     explicit StartRemoteEngineDialog(QWidget *parent);
-    ~StartRemoteEngineDialog();
+    ~StartRemoteEngineDialog() override;
     QString username() const;
     QString host() const;
     QString password() const;
@@ -172,7 +172,7 @@ class TypeFormatsDialog : public QDialog
 
 public:
     explicit TypeFormatsDialog(QWidget *parent);
-    ~TypeFormatsDialog();
+    ~TypeFormatsDialog() override;
 
     void addTypeFormats(const QString &type, const DisplayFormats &formats,
         int currentFormat);
diff --git a/src/plugins/debugger/debuggerengine.h b/src/plugins/debugger/debuggerengine.h
index 09dd6aa6e62..27b48be32e2 100644
--- a/src/plugins/debugger/debuggerengine.h
+++ b/src/plugins/debugger/debuggerengine.h
@@ -237,7 +237,7 @@ class DebuggerEngine : public QObject
 
 public:
     explicit DebuggerEngine();
-    virtual ~DebuggerEngine();
+    ~DebuggerEngine() override;
 
     const DebuggerRunParameters &runParameters() const;
 
diff --git a/src/plugins/debugger/debuggeritemmanager.h b/src/plugins/debugger/debuggeritemmanager.h
index 63f29af3904..2b37d33485f 100644
--- a/src/plugins/debugger/debuggeritemmanager.h
+++ b/src/plugins/debugger/debuggeritemmanager.h
@@ -45,7 +45,7 @@ class DEBUGGER_EXPORT DebuggerItemManager : public QObject
 
 public:
     DebuggerItemManager();
-    ~DebuggerItemManager();
+    ~DebuggerItemManager() override;
 
     static QList<DebuggerItem> debuggers();
 
diff --git a/src/plugins/debugger/debuggerplugin.h b/src/plugins/debugger/debuggerplugin.h
index 16ed5ff7e5c..2ecde571dd5 100644
--- a/src/plugins/debugger/debuggerplugin.h
+++ b/src/plugins/debugger/debuggerplugin.h
@@ -40,7 +40,7 @@ class DebuggerPlugin : public ExtensionSystem::IPlugin
 
 public:
     DebuggerPlugin();
-    ~DebuggerPlugin();
+    ~DebuggerPlugin() override;
 
     static DebuggerPlugin *instance();
 
diff --git a/src/plugins/debugger/debuggerruncontrol.h b/src/plugins/debugger/debuggerruncontrol.h
index 7bc19062ce5..f0c865316ec 100644
--- a/src/plugins/debugger/debuggerruncontrol.h
+++ b/src/plugins/debugger/debuggerruncontrol.h
@@ -49,7 +49,7 @@ public:
     explicit DebuggerRunTool(ProjectExplorer::RunControl *runControl,
                              ProjectExplorer::Kit *kit = nullptr,
                              bool allowTerminal = true);
-    ~DebuggerRunTool();
+    ~DebuggerRunTool() override;
 
     Internal::DebuggerEngine *engine() const { return m_engine; }
     Internal::DebuggerEngine *activeEngine() const;
@@ -154,7 +154,7 @@ class DEBUGGER_EXPORT GdbServerPortsGatherer : public ProjectExplorer::ChannelPr
 
 public:
     explicit GdbServerPortsGatherer(ProjectExplorer::RunControl *runControl);
-    ~GdbServerPortsGatherer();
+    ~GdbServerPortsGatherer() override;
 
     void setUseGdbServer(bool useIt) { m_useGdbServer = useIt; }
     bool useGdbServer() const { return m_useGdbServer; }
@@ -182,7 +182,7 @@ public:
     explicit GdbServerRunner(ProjectExplorer::RunControl *runControl,
                              GdbServerPortsGatherer *portsGatherer);
 
-    ~GdbServerRunner();
+    ~GdbServerRunner() override;
 
     void setRunnable(const ProjectExplorer::StandardRunnable &runnable);
     void setUseMulti(bool on);
diff --git a/src/plugins/debugger/debuggertooltipmanager.h b/src/plugins/debugger/debuggertooltipmanager.h
index 33324ccf45e..44b117f8d39 100644
--- a/src/plugins/debugger/debuggertooltipmanager.h
+++ b/src/plugins/debugger/debuggertooltipmanager.h
@@ -75,7 +75,7 @@ class DebuggerToolTipManager : public QObject
 
 public:
     DebuggerToolTipManager();
-    ~DebuggerToolTipManager();
+    ~DebuggerToolTipManager() override;
 
     static void registerEngine(DebuggerEngine *engine);
     static void deregisterEngine(DebuggerEngine *engine);
@@ -84,7 +84,7 @@ public:
 
     static DebuggerToolTipContexts pendingTooltips(DebuggerEngine *engine);
 
-    virtual bool eventFilter(QObject *, QEvent *);
+    bool eventFilter(QObject *, QEvent *) override;
 
     void debugModeEntered();
     void leavingDebugMode();
diff --git a/src/plugins/debugger/disassembleragent.h b/src/plugins/debugger/disassembleragent.h
index 423c949ab63..ff6c80c7e2c 100644
--- a/src/plugins/debugger/disassembleragent.h
+++ b/src/plugins/debugger/disassembleragent.h
@@ -43,7 +43,7 @@ class DisassemblerAgent : public QObject
 public:
     // Called from Gui
     explicit DisassemblerAgent(DebuggerEngine *engine);
-    ~DisassemblerAgent();
+    ~DisassemblerAgent() override;
 
     void setLocation(const Location &location);
     const Location &location() const;
diff --git a/src/plugins/debugger/memoryagent.h b/src/plugins/debugger/memoryagent.h
index 6f150ad35f4..1767d495b27 100644
--- a/src/plugins/debugger/memoryagent.h
+++ b/src/plugins/debugger/memoryagent.h
@@ -74,7 +74,7 @@ class MemoryAgent : public QObject
 
 public:
     MemoryAgent(const MemoryViewSetupData &data, DebuggerEngine *engine);
-    ~MemoryAgent();
+    ~MemoryAgent() override;
 
     void updateContents();
     void addData(quint64 address, const QByteArray &data);
diff --git a/src/plugins/debugger/moduleshandler.h b/src/plugins/debugger/moduleshandler.h
index b184e7d486a..ad0ba91ae5c 100644
--- a/src/plugins/debugger/moduleshandler.h
+++ b/src/plugins/debugger/moduleshandler.h
@@ -118,7 +118,7 @@ class ModulesHandler : public QObject
 
 public:
     explicit ModulesHandler(DebuggerEngine *engine);
-    ~ModulesHandler();
+    ~ModulesHandler() override;
 
     QAbstractItemModel *model() const;
 
diff --git a/src/plugins/debugger/shared/cdbsymbolpathlisteditor.h b/src/plugins/debugger/shared/cdbsymbolpathlisteditor.h
index fbbb78de06c..99098368894 100644
--- a/src/plugins/debugger/shared/cdbsymbolpathlisteditor.h
+++ b/src/plugins/debugger/shared/cdbsymbolpathlisteditor.h
@@ -53,7 +53,7 @@ public:
    void setPath(const QString &p);
    QString path() const;
 
-   virtual void accept();
+   void accept() override;
 
 private:
    Utils::PathChooser *m_chooser;
diff --git a/src/plugins/debugger/stackhandler.h b/src/plugins/debugger/stackhandler.h
index 6e5e09420a1..0f06b77c755 100644
--- a/src/plugins/debugger/stackhandler.h
+++ b/src/plugins/debugger/stackhandler.h
@@ -52,7 +52,7 @@ class StackHandler : public QAbstractTableModel
 
 public:
     explicit StackHandler(DebuggerEngine *engine);
-    ~StackHandler();
+    ~StackHandler() override;
 
     void setFrames(const StackFrames &frames, bool canExpand = false);
     void setFramesAndCurrentIndex(const GdbMi &frames, bool isFull);
diff --git a/src/plugins/debugger/threadshandler.h b/src/plugins/debugger/threadshandler.h
index c95001f8676..3bd015fc48d 100644
--- a/src/plugins/debugger/threadshandler.h
+++ b/src/plugins/debugger/threadshandler.h
@@ -82,8 +82,8 @@ public:
 private:
     void updateThreadBox();
 
-    void sort(int column, Qt::SortOrder order);
-    bool setData(const QModelIndex &idx, const QVariant &data, int role);
+    void sort(int column, Qt::SortOrder order) override;
+    bool setData(const QModelIndex &idx, const QVariant &data, int role) override;
 
     DebuggerEngine *m_engine;
     ThreadId m_currentId;
diff --git a/src/plugins/debugger/watchhandler.h b/src/plugins/debugger/watchhandler.h
index 4b154d5d087..ee2f9a6d621 100644
--- a/src/plugins/debugger/watchhandler.h
+++ b/src/plugins/debugger/watchhandler.h
@@ -60,7 +60,7 @@ class WatchHandler : public QObject
 
 public:
     explicit WatchHandler(DebuggerEngine *engine);
-    ~WatchHandler();
+    ~WatchHandler() override;
 
     WatchModelBase *model() const;
 
diff --git a/src/plugins/debugger/watchwindow.h b/src/plugins/debugger/watchwindow.h
index e865d6b4515..7827b322326 100644
--- a/src/plugins/debugger/watchwindow.h
+++ b/src/plugins/debugger/watchwindow.h
@@ -40,8 +40,8 @@ public:
     explicit WatchTreeView(WatchType type);
     WatchType type() const { return m_type; }
 
-    void setModel(QAbstractItemModel *model);
-    void reset();
+    void setModel(QAbstractItemModel *model) override;
+    void reset() override;
 
     static void reexpand(QTreeView *view, const QModelIndex &idx);
 
@@ -58,8 +58,8 @@ private:
     void collapseNode(const QModelIndex &idx);
     void adjustSlider();
 
-    void doItemsLayout();
-    void currentChanged(const QModelIndex &current, const QModelIndex &previous);
+    void doItemsLayout() override;
+    void currentChanged(const QModelIndex &current, const QModelIndex &previous) override;
 
     WatchType m_type;
     int m_sliderPosition;