diff --git a/src/plugins/glsleditor/glslhoverhandler.h b/src/plugins/glsleditor/glslhoverhandler.h
index f15c8b99483..5d1f29067e1 100644
--- a/src/plugins/glsleditor/glslhoverhandler.h
+++ b/src/plugins/glsleditor/glslhoverhandler.h
@@ -36,8 +36,8 @@ public:
     GlslHoverHandler() {}
 
 private:
-    virtual void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos);
-    virtual void decorateToolTip();
+    void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos) override;
+    void decorateToolTip() override;
 };
 
 } // namespace Internal
diff --git a/src/plugins/qmakeprojectmanager/profilehoverhandler.h b/src/plugins/qmakeprojectmanager/profilehoverhandler.h
index 407c1f4d284..7f067b345b1 100644
--- a/src/plugins/qmakeprojectmanager/profilehoverhandler.h
+++ b/src/plugins/qmakeprojectmanager/profilehoverhandler.h
@@ -46,7 +46,7 @@ signals:
     void creatorHelpRequested(const QUrl &url);
 
 private:
-    void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos);
+    void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos) override;
     void identifyQMakeKeyword(const QString &text, int pos);
 
     enum ManualKind {
diff --git a/src/plugins/qmljseditor/qmljshoverhandler.h b/src/plugins/qmljseditor/qmljshoverhandler.h
index bf82bcd30bf..e9f2d80ec80 100644
--- a/src/plugins/qmljseditor/qmljshoverhandler.h
+++ b/src/plugins/qmljseditor/qmljshoverhandler.h
@@ -57,8 +57,8 @@ public:
 private:
     void reset();
 
-    void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos);
-    void operateTooltip(TextEditor::TextEditorWidget *editorWidget, const QPoint &point);
+    void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos) override;
+    void operateTooltip(TextEditor::TextEditorWidget *editorWidget, const QPoint &point) override;
 
     bool matchDiagnosticMessage(QmlJSEditorWidget *qmlEditor, int pos);
     bool matchColorItem(const QmlJS::ScopeChain &lookupContext,
diff --git a/src/plugins/texteditor/colorpreviewhoverhandler.h b/src/plugins/texteditor/colorpreviewhoverhandler.h
index eaa701c2872..2e956027dcc 100644
--- a/src/plugins/texteditor/colorpreviewhoverhandler.h
+++ b/src/plugins/texteditor/colorpreviewhoverhandler.h
@@ -42,8 +42,8 @@ class TEXTEDITOR_EXPORT ColorPreviewHoverHandler : public BaseHoverHandler
 public:
 
 private:
-    virtual void identifyMatch(TextEditorWidget *editorWidget, int pos);
-    virtual void operateTooltip(TextEditorWidget *editorWidget, const QPoint &point);
+    void identifyMatch(TextEditorWidget *editorWidget, int pos) override;
+    void operateTooltip(TextEditorWidget *editorWidget, const QPoint &point) override;
 
     QColor m_colorTip;
 };