diff --git a/src/plugins/qmljseditor/qmljscompletionassist.h b/src/plugins/qmljseditor/qmljscompletionassist.h
index 269b260b4e5..c737587f880 100644
--- a/src/plugins/qmljseditor/qmljscompletionassist.h
+++ b/src/plugins/qmljseditor/qmljscompletionassist.h
@@ -88,7 +88,7 @@ class QmlJSCompletionAssistProcessor : public TextEditor::IAssistProcessor
 {
 public:
     QmlJSCompletionAssistProcessor();
-    ~QmlJSCompletionAssistProcessor();
+    ~QmlJSCompletionAssistProcessor() override;
 
     TextEditor::IAssistProposal *perform(const TextEditor::AssistInterface *interface) override;
 
diff --git a/src/plugins/qmljseditor/qmljsfindreferences.h b/src/plugins/qmljseditor/qmljsfindreferences.h
index 0de23bd7223..30d6cfe1858 100644
--- a/src/plugins/qmljseditor/qmljsfindreferences.h
+++ b/src/plugins/qmljseditor/qmljsfindreferences.h
@@ -65,7 +65,7 @@ public:
 
 public:
     FindReferences(QObject *parent = 0);
-    virtual ~FindReferences();
+    ~FindReferences() override;
 
 signals:
     void changed();
diff --git a/src/plugins/qmljseditor/qmljsquickfix.h b/src/plugins/qmljseditor/qmljsquickfix.h
index dcca4c9eb58..c80d23aedeb 100644
--- a/src/plugins/qmljseditor/qmljsquickfix.h
+++ b/src/plugins/qmljseditor/qmljsquickfix.h
@@ -57,7 +57,7 @@ public:
      */
     explicit QmlJSQuickFixOperation(const QmlJSQuickFixInterface &interface, int priority = -1);
 
-    virtual void perform();
+    void perform() override;
 
 protected:
     typedef Utils::ChangeSet::Range Range;
diff --git a/src/plugins/qmljstools/qmljsqtstylecodeformatter.h b/src/plugins/qmljstools/qmljsqtstylecodeformatter.h
index 905c15bbe88..848b8899b4d 100644
--- a/src/plugins/qmljstools/qmljsqtstylecodeformatter.h
+++ b/src/plugins/qmljstools/qmljsqtstylecodeformatter.h
@@ -41,11 +41,11 @@ public:
     explicit CreatorCodeFormatter(const TextEditor::TabSettings &tabSettings);
 
 protected:
-    virtual void saveBlockData(QTextBlock *block, const BlockData &data) const;
-    virtual bool loadBlockData(const QTextBlock &block, BlockData *data) const;
+    void saveBlockData(QTextBlock *block, const BlockData &data) const override;
+    bool loadBlockData(const QTextBlock &block, BlockData *data) const override;
 
-    virtual void saveLexerState(QTextBlock *block, int state) const;
-    virtual int loadLexerState(const QTextBlock &block) const;
+    void saveLexerState(QTextBlock *block, int state) const override;
+    int loadLexerState(const QTextBlock &block) const override;
 
 private:
     class QmlJSCodeFormatterData: public TextEditor::CodeFormatterData
diff --git a/src/plugins/qmljstools/qmljsrefactoringchanges.h b/src/plugins/qmljstools/qmljsrefactoringchanges.h
index cce8e2d08ff..132d7ee17a6 100644
--- a/src/plugins/qmljstools/qmljsrefactoringchanges.h
+++ b/src/plugins/qmljstools/qmljsrefactoringchanges.h
@@ -60,7 +60,7 @@ protected:
     QmlJSRefactoringFile(TextEditor::TextEditorWidget *editor, QmlJS::Document::Ptr document);
 
     QmlJSRefactoringChangesData *data() const;
-    virtual void fileChanged();
+    void fileChanged() override;
 
     mutable QmlJS::Document::Ptr m_qmljsDocument;