diff --git a/src/plugins/qmljseditor/qmljscompletionassist.cpp b/src/plugins/qmljseditor/qmljscompletionassist.cpp
index c70429224c7dec2bdcd0de262f5d264d41d91635..8bcf186ff68c329186e669642c73361edcf4b781 100644
--- a/src/plugins/qmljseditor/qmljscompletionassist.cpp
+++ b/src/plugins/qmljseditor/qmljscompletionassist.cpp
@@ -135,7 +135,7 @@ public:
         , order(order)
     {}
 
-    void operator()(const Value *base, const QString &name, const Value *value) Q_DECL_OVERRIDE
+    void operator()(const Value *base, const QString &name, const Value *value) override
     {
         Q_UNUSED(base)
         QVariant data;
@@ -163,7 +163,7 @@ public:
         , afterOn(afterOn)
     {}
 
-    void operator ()(const Value *base, const QString &name, const Value *) Q_DECL_OVERRIDE
+    void operator ()(const Value *base, const QString &name, const Value *) override
     {
         const CppComponentValue *qmlBase = value_cast<CppComponentValue>(base);
 
@@ -245,34 +245,34 @@ private:
         (*_propertyProcessor)(_currentObject, name, value);
     }
 
-    bool processProperty(const QString &name, const Value *value, const PropertyInfo &) Q_DECL_OVERRIDE
+    bool processProperty(const QString &name, const Value *value, const PropertyInfo &) override
     {
         process(name, value);
         return true;
     }
 
-    bool processEnumerator(const QString &name, const Value *value) Q_DECL_OVERRIDE
+    bool processEnumerator(const QString &name, const Value *value) override
     {
         if (! _globalCompletion)
             process(name, value);
         return true;
     }
 
-    bool processSignal(const QString &name, const Value *value) Q_DECL_OVERRIDE
+    bool processSignal(const QString &name, const Value *value) override
     {
         if (_globalCompletion)
             process(name, value);
         return true;
     }
 
-    bool processSlot(const QString &name, const Value *value) Q_DECL_OVERRIDE
+    bool processSlot(const QString &name, const Value *value) override
     {
         if (_enumerateSlots)
             process(name, value);
         return true;
     }
 
-    bool processGeneratedSlot(const QString &name, const Value *value) Q_DECL_OVERRIDE
+    bool processGeneratedSlot(const QString &name, const Value *value) override
     {
         if (_enumerateGeneratedSlots || (_currentObject && _currentObject->className().endsWith(QLatin1String("Keys")))) {
             // ### FIXME: add support for attached properties.
@@ -403,10 +403,10 @@ public:
         , m_isVariadic(isVariadic)
     {}
 
-    void reset() Q_DECL_OVERRIDE {}
-    int size() const Q_DECL_OVERRIDE { return 1; }
-    QString text(int index) const Q_DECL_OVERRIDE;
-    int activeArgument(const QString &prefix) const Q_DECL_OVERRIDE;
+    void reset() override {}
+    int size() const override { return 1; }
+    QString text(int index) const override;
+    int activeArgument(const QString &prefix) const override;
 
 private:
     QString m_functionName;
diff --git a/src/plugins/qmljseditor/qmljscompletionassist.h b/src/plugins/qmljseditor/qmljscompletionassist.h
index b281cf63fae73df815b953783fb9c0fb00808ba4..a10acc5e75d48e13b0693934c8a126b1011b8c3e 100644
--- a/src/plugins/qmljseditor/qmljscompletionassist.h
+++ b/src/plugins/qmljseditor/qmljscompletionassist.h
@@ -57,9 +57,9 @@ namespace Internal {
 class QmlJSAssistProposalItem : public TextEditor::AssistProposalItem
 {
 public:
-    bool prematurelyApplies(const QChar &c) const Q_DECL_OVERRIDE;
+    bool prematurelyApplies(const QChar &c) const override;
     void applyContextualContent(TextEditor::TextEditorWidget *editorWidget,
-                                int basePosition) const Q_DECL_OVERRIDE;
+                                int basePosition) const override;
 };
 
 
@@ -71,9 +71,9 @@ public:
         loadContent(items);
     }
 
-    void filter(const QString &prefix) Q_DECL_OVERRIDE;
-    void sort(const QString &prefix) Q_DECL_OVERRIDE;
-    bool keepPerfectMatch(TextEditor::AssistReason reason) const Q_DECL_OVERRIDE;
+    void filter(const QString &prefix) override;
+    void sort(const QString &prefix) override;
+    bool keepPerfectMatch(TextEditor::AssistReason reason) const override;
 };
 
 
@@ -82,12 +82,12 @@ class QmlJSCompletionAssistProvider : public TextEditor::CompletionAssistProvide
     Q_OBJECT
 
 public:
-    bool supportsEditor(Core::Id editorId) const Q_DECL_OVERRIDE;
-    TextEditor::IAssistProcessor *createProcessor() const Q_DECL_OVERRIDE;
+    bool supportsEditor(Core::Id editorId) const override;
+    TextEditor::IAssistProcessor *createProcessor() const override;
 
-    int activationCharSequenceLength() const Q_DECL_OVERRIDE;
-    bool isActivationCharSequence(const QString &sequence) const Q_DECL_OVERRIDE;
-    bool isContinuationChar(const QChar &c) const Q_DECL_OVERRIDE;
+    int activationCharSequenceLength() const override;
+    bool isActivationCharSequence(const QString &sequence) const override;
+    bool isContinuationChar(const QChar &c) const override;
 };
 
 
@@ -97,7 +97,7 @@ public:
     QmlJSCompletionAssistProcessor();
     ~QmlJSCompletionAssistProcessor();
 
-    TextEditor::IAssistProposal *perform(const TextEditor::AssistInterface *interface) Q_DECL_OVERRIDE;
+    TextEditor::IAssistProposal *perform(const TextEditor::AssistInterface *interface) override;
 
 private:
     TextEditor::IAssistProposal *createContentProposal() const;
diff --git a/src/plugins/qmljseditor/qmljsquickfixassist.h b/src/plugins/qmljseditor/qmljsquickfixassist.h
index 9aa337e784fc25c3b194cf159ea2c771164ae3ad..4cd5355f71d6402ae4d1dfa299777416b2074f13 100644
--- a/src/plugins/qmljseditor/qmljsquickfixassist.h
+++ b/src/plugins/qmljseditor/qmljsquickfixassist.h
@@ -64,11 +64,11 @@ public:
     QmlJSQuickFixAssistProvider();
     ~QmlJSQuickFixAssistProvider();
 
-    IAssistProvider::RunType runType() const Q_DECL_OVERRIDE;
-    bool supportsEditor(Core::Id editorId) const Q_DECL_OVERRIDE;
-    TextEditor::IAssistProcessor *createProcessor() const Q_DECL_OVERRIDE;
+    IAssistProvider::RunType runType() const override;
+    bool supportsEditor(Core::Id editorId) const override;
+    TextEditor::IAssistProcessor *createProcessor() const override;
 
-    QList<TextEditor::QuickFixFactory *> quickFixFactories() const Q_DECL_OVERRIDE;
+    QList<TextEditor::QuickFixFactory *> quickFixFactories() const override;
 };
 
 } // Internal