diff --git a/src/plugins/android/androidgdbserverkitinformation.h b/src/plugins/android/androidgdbserverkitinformation.h
index 7a9b2d4c539..aacf6cd90a5 100644
--- a/src/plugins/android/androidgdbserverkitinformation.h
+++ b/src/plugins/android/androidgdbserverkitinformation.h
@@ -48,16 +48,16 @@ class AndroidGdbServerKitInformationWidget : public ProjectExplorer::KitConfigWi
 public:
     AndroidGdbServerKitInformationWidget(ProjectExplorer::Kit *kit,
                                          const ProjectExplorer::KitInformation *ki);
-    ~AndroidGdbServerKitInformationWidget();
+    ~AndroidGdbServerKitInformationWidget() override;
 
-    QString displayName() const;
-    QString toolTip() const;
-    void makeReadOnly();
-    void refresh();
-    bool visibleInKit();
+    QString displayName() const override;
+    QString toolTip() const override;
+    void makeReadOnly() override;
+    void refresh() override;
+    bool visibleInKit() override;
 
-    QWidget *mainWidget() const;
-    QWidget *buttonWidget() const;
+    QWidget *mainWidget() const override;
+    QWidget *buttonWidget() const override;
 
 private slots:
     void autoDetectDebugger();
diff --git a/src/plugins/cmakeprojectmanager/cmakekitconfigwidget.h b/src/plugins/cmakeprojectmanager/cmakekitconfigwidget.h
index 1678e1a4a01..e5934e4b116 100644
--- a/src/plugins/cmakeprojectmanager/cmakekitconfigwidget.h
+++ b/src/plugins/cmakeprojectmanager/cmakekitconfigwidget.h
@@ -51,7 +51,7 @@ class CMakeKitConfigWidget : public ProjectExplorer::KitConfigWidget
     Q_OBJECT
 public:
     CMakeKitConfigWidget(ProjectExplorer::Kit *kit, const ProjectExplorer::KitInformation *ki);
-    virtual ~CMakeKitConfigWidget();
+    ~CMakeKitConfigWidget() override;
 
     // KitConfigWidget interface
     QString displayName() const override;
diff --git a/src/plugins/debugger/debuggerkitconfigwidget.h b/src/plugins/debugger/debuggerkitconfigwidget.h
index 285ce87dc95..505dc45e5b1 100644
--- a/src/plugins/debugger/debuggerkitconfigwidget.h
+++ b/src/plugins/debugger/debuggerkitconfigwidget.h
@@ -61,14 +61,14 @@ class DebuggerKitConfigWidget : public ProjectExplorer::KitConfigWidget
 public:
     DebuggerKitConfigWidget(ProjectExplorer::Kit *workingCopy,
                             const ProjectExplorer::KitInformation *ki);
-    ~DebuggerKitConfigWidget();
+    ~DebuggerKitConfigWidget() override;
 
-    QString displayName() const;
-    QString toolTip() const;
-    void makeReadOnly();
-    void refresh();
-    QWidget *buttonWidget() const;
-    QWidget *mainWidget() const;
+    QString displayName() const override;
+    QString toolTip() const override;
+    void makeReadOnly() override;
+    void refresh() override;
+    QWidget *buttonWidget() const override;
+    QWidget *mainWidget() const override;
 
 private:
     void manageDebuggers();
diff --git a/src/plugins/projectexplorer/kitinformationconfigwidget.h b/src/plugins/projectexplorer/kitinformationconfigwidget.h
index 40e518e85a9..4ed0bf5f53c 100644
--- a/src/plugins/projectexplorer/kitinformationconfigwidget.h
+++ b/src/plugins/projectexplorer/kitinformationconfigwidget.h
@@ -63,16 +63,16 @@ class SysRootInformationConfigWidget : public KitConfigWidget
 
 public:
     SysRootInformationConfigWidget(Kit *k, const KitInformation *ki);
-    ~SysRootInformationConfigWidget();
+    ~SysRootInformationConfigWidget() override;
 
-    QString displayName() const;
-    void refresh();
-    void makeReadOnly();
-    QWidget *buttonWidget() const;
-    QWidget *mainWidget() const;
-    QString toolTip() const;
+    QString displayName() const override;
+    void refresh() override;
+    void makeReadOnly() override;
+    QWidget *buttonWidget() const override;
+    QWidget *mainWidget() const override;
+    QString toolTip() const override;
 
-    void setPalette(const QPalette &p);
+    void setPalette(const QPalette &p) override;
 
 private:
     void pathWasChanged();
@@ -91,14 +91,14 @@ class ToolChainInformationConfigWidget : public KitConfigWidget
 
 public:
     ToolChainInformationConfigWidget(Kit *k, const KitInformation *ki);
-    ~ToolChainInformationConfigWidget();
+    ~ToolChainInformationConfigWidget() override;
 
-    QString displayName() const;
-    void refresh();
-    void makeReadOnly();
-    QWidget *mainWidget() const;
-    QWidget *buttonWidget() const;
-    QString toolTip() const;
+    QString displayName() const override;
+    void refresh() override;
+    void makeReadOnly() override;
+    QWidget *mainWidget() const override;
+    QWidget *buttonWidget() const override;
+    QString toolTip() const override;
 
 private:
     void manageToolChains();
@@ -122,13 +122,13 @@ class DeviceTypeInformationConfigWidget : public KitConfigWidget
 
 public:
     DeviceTypeInformationConfigWidget(Kit *workingCopy, const KitInformation *ki);
-    ~DeviceTypeInformationConfigWidget();
+    ~DeviceTypeInformationConfigWidget() override;
 
-    QWidget *mainWidget() const;
-    QString displayName() const;
-    QString toolTip() const;
-    void refresh();
-    void makeReadOnly();
+    QWidget *mainWidget() const override;
+    QString displayName() const override;
+    QString toolTip() const override;
+    void refresh() override;
+    void makeReadOnly() override;
 
 private:
     void currentTypeChanged(int idx);
@@ -146,14 +146,14 @@ class DeviceInformationConfigWidget : public KitConfigWidget
 
 public:
     DeviceInformationConfigWidget(Kit *workingCopy, const KitInformation *ki);
-    ~DeviceInformationConfigWidget();
+    ~DeviceInformationConfigWidget() override;
 
-    QWidget *mainWidget() const;
-    QWidget *buttonWidget() const;
-    QString displayName() const;
-    QString toolTip() const;
-    void refresh();
-    void makeReadOnly();
+    QWidget *mainWidget() const override;
+    QWidget *buttonWidget() const override;
+    QString displayName() const override;
+    QString toolTip() const override;
+    void refresh() override;
+    void makeReadOnly() override;
 
 private:
     void manageDevices();
@@ -176,12 +176,12 @@ class KitEnvironmentConfigWidget : public KitConfigWidget
 public:
     KitEnvironmentConfigWidget(Kit *workingCopy, const KitInformation *ki);
 
-    QWidget *mainWidget() const;
-    QWidget *buttonWidget() const;
-    QString displayName() const;
-    QString toolTip() const;
-    void refresh();
-    void makeReadOnly();
+    QWidget *mainWidget() const override;
+    QWidget *buttonWidget() const override;
+    QString displayName() const override;
+    QString toolTip() const override;
+    void refresh() override;
+    void makeReadOnly() override;
 
 private:
     void editEnvironmentChanges();
diff --git a/src/plugins/qmakeprojectmanager/qmakekitconfigwidget.h b/src/plugins/qmakeprojectmanager/qmakekitconfigwidget.h
index bc2a255a14e..69f6e75559f 100644
--- a/src/plugins/qmakeprojectmanager/qmakekitconfigwidget.h
+++ b/src/plugins/qmakeprojectmanager/qmakekitconfigwidget.h
@@ -46,14 +46,14 @@ class QmakeKitConfigWidget : public ProjectExplorer::KitConfigWidget
 
 public:
     QmakeKitConfigWidget(ProjectExplorer::Kit *k, const ProjectExplorer::KitInformation *ki);
-    ~QmakeKitConfigWidget();
+    ~QmakeKitConfigWidget() override;
 
-    QWidget *mainWidget() const;
-    QString displayName() const;
-    QString toolTip() const;
+    QWidget *mainWidget() const override;
+    QString displayName() const override;
+    QString toolTip() const override;
 
-    void makeReadOnly();
-    void refresh();
+    void makeReadOnly() override;
+    void refresh() override;
 
 private slots:
     void mkspecWasChanged(const QString &text);
diff --git a/src/plugins/qtsupport/qtkitconfigwidget.h b/src/plugins/qtsupport/qtkitconfigwidget.h
index 92b5f2ae558..63f401ea57b 100644
--- a/src/plugins/qtsupport/qtkitconfigwidget.h
+++ b/src/plugins/qtsupport/qtkitconfigwidget.h
@@ -47,16 +47,16 @@ class QtKitConfigWidget : public ProjectExplorer::KitConfigWidget
 
 public:
     QtKitConfigWidget(ProjectExplorer::Kit *k, const ProjectExplorer::KitInformation *ki);
-    ~QtKitConfigWidget();
+    ~QtKitConfigWidget() override;
 
-    QString displayName() const;
+    QString displayName() const override;
 
-    void makeReadOnly();
+    void makeReadOnly() override;
 
-    void refresh();
-    QWidget *mainWidget() const;
-    QWidget *buttonWidget() const;
-    QString toolTip() const;
+    void refresh() override;
+    QWidget *mainWidget() const override;
+    QWidget *buttonWidget() const override;
+    QString toolTip() const override;
 
 private slots:
     void versionsChanged(const QList<int> &added, const QList<int> &removed, const QList<int> &changed);