use the override keyword consistently and correctly (clang-tidy)

Change-Id: If9e28d143f8cba3df3c757476b4f2265e2eb8b2a
Reviewed-by: Johan Helsing <johan.helsing@qt.io>

74 files changed, 232 insertions, 232 deletions

diff --git a/src/imports/localstorage/plugin.cpp b/src/imports/localstorage/plugin.cpp
index 5148b2f18f..1ed4a754d3 100644
--- a/src/imports/localstorage/plugin.cpp
+++ b/src/imports/localstorage/plugin.cpp
@@ -97,7 +97,7 @@ class QQmlSqlDatabaseData : public QV8Engine::Deletable
 {
 public:
     QQmlSqlDatabaseData(QV4::ExecutionEngine *engine);
-    ~QQmlSqlDatabaseData();
+    ~QQmlSqlDatabaseData() override;
 
     QV4::PersistentValue databaseProto;
     QV4::PersistentValue queryProto;
@@ -693,7 +693,7 @@ public:
     QQuickLocalStorage(QObject *parent=nullptr) : QObject(parent)
     {
     }
-    ~QQuickLocalStorage() {
+    ~QQuickLocalStorage() override {
     }
 
    Q_INVOKABLE void openDatabaseSync(QQmlV4Function* args);
diff --git a/src/imports/qtquick2/plugin.cpp b/src/imports/qtquick2/plugin.cpp
index 516b823856..147f01e81b 100644
--- a/src/imports/qtquick2/plugin.cpp
+++ b/src/imports/qtquick2/plugin.cpp
@@ -65,7 +65,7 @@ public:
         QQmlQtQuick2Module::defineModule();
     }
 
-    ~QtQuick2Plugin()
+    ~QtQuick2Plugin() override
     {
         if (moduleDefined)
             QQmlQtQuick2Module::undefineModule();
diff --git a/src/imports/testlib/main.cpp b/src/imports/testlib/main.cpp
index 41b5d1715c..45e9bd2cf6 100644
--- a/src/imports/testlib/main.cpp
+++ b/src/imports/testlib/main.cpp
@@ -73,7 +73,7 @@ public:
         :QObject(parent)
     {}
 
-    ~QuickTestUtil()
+    ~QuickTestUtil() override
     {}
     bool printAvailableFunctions() const
     {
diff --git a/src/particles/qquickv4particledata.cpp b/src/particles/qquickv4particledata.cpp
index fb674e1b64..c3d1978a2c 100644
--- a/src/particles/qquickv4particledata.cpp
+++ b/src/particles/qquickv4particledata.cpp
@@ -294,7 +294,7 @@ class QV4ParticleDataDeletable : public QV8Engine::Deletable
 {
 public:
     QV4ParticleDataDeletable(QV4::ExecutionEngine *engine);
-    ~QV4ParticleDataDeletable();
+    ~QV4ParticleDataDeletable() override;
 
     QV4::PersistentValue proto;
 };
diff --git a/src/plugins/qmltooling/qmldbg_local/qlocalclientconnection.cpp b/src/plugins/qmltooling/qmldbg_local/qlocalclientconnection.cpp
index dd0e4c6a04..1708166a8a 100644
--- a/src/plugins/qmltooling/qmldbg_local/qlocalclientconnection.cpp
+++ b/src/plugins/qmltooling/qmldbg_local/qlocalclientconnection.cpp
@@ -55,7 +55,7 @@ class QLocalClientConnection : public QQmlDebugServerConnection
 
 public:
     QLocalClientConnection();
-    ~QLocalClientConnection();
+    ~QLocalClientConnection() override;
 
     void setServer(QQmlDebugServer *server) override;
     bool setPortRange(int portFrom, int portTo, bool block, const QString &hostaddress) override;
diff --git a/src/plugins/qmltooling/qmldbg_tcp/qtcpserverconnection.cpp b/src/plugins/qmltooling/qmldbg_tcp/qtcpserverconnection.cpp
index 32ce820ea8..42442b07e7 100644
--- a/src/plugins/qmltooling/qmldbg_tcp/qtcpserverconnection.cpp
+++ b/src/plugins/qmltooling/qmldbg_tcp/qtcpserverconnection.cpp
@@ -54,7 +54,7 @@ class QTcpServerConnection : public QQmlDebugServerConnection
 
 public:
     QTcpServerConnection();
-    ~QTcpServerConnection();
+    ~QTcpServerConnection() override;
 
     void setServer(QQmlDebugServer *server) override;
     bool setPortRange(int portFrom, int portTo, bool block, const QString &hostaddress) override;
diff --git a/src/qml/animations/qanimationgroupjob_p.h b/src/qml/animations/qanimationgroupjob_p.h
index 42a73aa77b..fb567dc019 100644
--- a/src/qml/animations/qanimationgroupjob_p.h
+++ b/src/qml/animations/qanimationgroupjob_p.h
@@ -61,7 +61,7 @@ class Q_QML_PRIVATE_EXPORT QAnimationGroupJob : public QAbstractAnimationJob
     Q_DISABLE_COPY(QAnimationGroupJob)
 public:
     QAnimationGroupJob();
-    ~QAnimationGroupJob();
+    ~QAnimationGroupJob() override;
 
     void appendAnimation(QAbstractAnimationJob *animation);
     void prependAnimation(QAbstractAnimationJob *animation);
diff --git a/src/qml/animations/qpauseanimationjob_p.h b/src/qml/animations/qpauseanimationjob_p.h
index e228f46daa..d0e8d57fc7 100644
--- a/src/qml/animations/qpauseanimationjob_p.h
+++ b/src/qml/animations/qpauseanimationjob_p.h
@@ -60,7 +60,7 @@ class Q_QML_PRIVATE_EXPORT QPauseAnimationJob : public QAbstractAnimationJob
     Q_DISABLE_COPY(QPauseAnimationJob)
 public:
     explicit QPauseAnimationJob(int duration = 250);
-    ~QPauseAnimationJob();
+    ~QPauseAnimationJob() override;
 
     int duration() const override;
     void setDuration(int msecs);
diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp
index eb5772e1bc..bc4ca5d6f4 100644
--- a/src/qml/compiler/qv4codegen.cpp
+++ b/src/qml/compiler/qv4codegen.cpp
@@ -2928,43 +2928,43 @@ public:
         return locs;
     }
 
-    bool visit(ArrayMemberExpression *) Q_DECL_OVERRIDE
+    bool visit(ArrayMemberExpression *) override
     {
         locs.setAllVolatile();
         return false;
     }
 
-    bool visit(FieldMemberExpression *) Q_DECL_OVERRIDE
+    bool visit(FieldMemberExpression *) override
     {
         locs.setAllVolatile();
         return false;
     }
 
-    bool visit(PostIncrementExpression *e) Q_DECL_OVERRIDE
+    bool visit(PostIncrementExpression *e) override
     {
         collectIdentifiers(locs.specificLocations, e->base);
         return false;
     }
 
-    bool visit(PostDecrementExpression *e) Q_DECL_OVERRIDE
+    bool visit(PostDecrementExpression *e) override
     {
         collectIdentifiers(locs.specificLocations, e->base);
         return false;
     }
 
-    bool visit(PreIncrementExpression *e) Q_DECL_OVERRIDE
+    bool visit(PreIncrementExpression *e) override
     {
         collectIdentifiers(locs.specificLocations, e->expression);
         return false;
     }
 
-    bool visit(PreDecrementExpression *e) Q_DECL_OVERRIDE
+    bool visit(PreDecrementExpression *e) override
     {
         collectIdentifiers(locs.specificLocations, e->expression);
         return false;
     }
 
-    bool visit(BinaryExpression *e) Q_DECL_OVERRIDE
+    bool visit(BinaryExpression *e) override
     {
         switch (e->op) {
         case QSOperator::InplaceAnd:
diff --git a/src/qml/debugger/qqmlabstractprofileradapter_p.h b/src/qml/debugger/qqmlabstractprofileradapter_p.h
index f86855e964..c63e694c7e 100644
--- a/src/qml/debugger/qqmlabstractprofileradapter_p.h
+++ b/src/qml/debugger/qqmlabstractprofileradapter_p.h
@@ -70,7 +70,7 @@ public:
 
     QQmlAbstractProfilerAdapter(QObject *parent = nullptr) :
         QObject(parent), service(nullptr), waiting(true), featuresEnabled(0) {}
-    virtual ~QQmlAbstractProfilerAdapter() {}
+    ~QQmlAbstractProfilerAdapter() override {}
     void setService(QQmlProfilerService *new_service) { service = new_service; }
 
     virtual qint64 sendMessages(qint64 until, QList<QByteArray> &messages, bool trackLocations) = 0;
diff --git a/src/qml/debugger/qqmldebugconnector_p.h b/src/qml/debugger/qqmldebugconnector_p.h
index cead6af338..d1ad90adfd 100644
--- a/src/qml/debugger/qqmldebugconnector_p.h
+++ b/src/qml/debugger/qqmldebugconnector_p.h
@@ -126,7 +126,7 @@ class Q_QML_PRIVATE_EXPORT QQmlDebugConnectorFactory : public QObject {
     Q_OBJECT
 public:
     virtual QQmlDebugConnector *create(const QString &key) = 0;
-    ~QQmlDebugConnectorFactory();
+    ~QQmlDebugConnectorFactory() override;
 };
 
 #define QQmlDebugConnectorFactory_iid "org.qt-project.Qt.QQmlDebugConnectorFactory"
diff --git a/src/qml/debugger/qqmldebugservice_p.h b/src/qml/debugger/qqmldebugservice_p.h
index e9f7d2d396..c52ba90a79 100644
--- a/src/qml/debugger/qqmldebugservice_p.h
+++ b/src/qml/debugger/qqmldebugservice_p.h
@@ -69,7 +69,7 @@ class Q_QML_PRIVATE_EXPORT QQmlDebugService : public QObject
     Q_DECLARE_PRIVATE(QQmlDebugService)
 
 public:
-    ~QQmlDebugService();
+    ~QQmlDebugService() override;
 
     const QString &name() const;
     float version() const;
diff --git a/src/qml/jit/qv4jit_p.h b/src/qml/jit/qv4jit_p.h
index 077c2e2177..c17ab4ff6e 100644
--- a/src/qml/jit/qv4jit_p.h
+++ b/src/qml/jit/qv4jit_p.h
@@ -119,131 +119,131 @@ public:
 
     void generate();
 
-    void generate_Ret() Q_DECL_OVERRIDE;
-    void generate_Debug() Q_DECL_OVERRIDE;
-    void generate_LoadConst(int index) Q_DECL_OVERRIDE;
-    void generate_LoadZero() Q_DECL_OVERRIDE;
-    void generate_LoadTrue() Q_DECL_OVERRIDE;
-    void generate_LoadFalse() Q_DECL_OVERRIDE;
-    void generate_LoadNull() Q_DECL_OVERRIDE;
-    void generate_LoadUndefined() Q_DECL_OVERRIDE;
-    void generate_LoadInt(int value) Q_DECL_OVERRIDE;
-    void generate_MoveConst(int constIndex, int destTemp) Q_DECL_OVERRIDE;
-    void generate_LoadReg(int reg) Q_DECL_OVERRIDE;
-    void generate_StoreReg(int reg) Q_DECL_OVERRIDE;
-    void generate_MoveReg(int srcReg, int destReg) Q_DECL_OVERRIDE;
-    void generate_LoadLocal(int index) Q_DECL_OVERRIDE;
-    void generate_StoreLocal(int index) Q_DECL_OVERRIDE;
-    void generate_LoadScopedLocal(int scope, int index) Q_DECL_OVERRIDE;
-    void generate_StoreScopedLocal(int scope, int index) Q_DECL_OVERRIDE;
-    void generate_LoadRuntimeString(int stringId) Q_DECL_OVERRIDE;
-    void generate_MoveRegExp(int regExpId, int destReg) Q_DECL_OVERRIDE;
-    void generate_LoadClosure(int value) Q_DECL_OVERRIDE;
-    void generate_LoadName(int name) Q_DECL_OVERRIDE;
-    void generate_LoadGlobalLookup(int index) Q_DECL_OVERRIDE;
-    void generate_StoreNameSloppy(int name) Q_DECL_OVERRIDE;
-    void generate_StoreNameStrict(int name) Q_DECL_OVERRIDE;
-    void generate_LoadElement(int base, int index) Q_DECL_OVERRIDE;
-    void generate_LoadElementA(int base) Q_DECL_OVERRIDE;
-    void generate_StoreElement(int base, int index) Q_DECL_OVERRIDE;
-    void generate_LoadProperty(int name, int base) Q_DECL_OVERRIDE;
-    void generate_LoadPropertyA(int name) Q_DECL_OVERRIDE;
-    void generate_GetLookup(int index, int base) Q_DECL_OVERRIDE;
-    void generate_GetLookupA(int index) Q_DECL_OVERRIDE;
-    void generate_StoreProperty(int name, int base) Q_DECL_OVERRIDE;
-    void generate_SetLookup(int index, int base) Q_DECL_OVERRIDE;
+    void generate_Ret() override;
+    void generate_Debug() override;
+    void generate_LoadConst(int index) override;
+    void generate_LoadZero() override;
+    void generate_LoadTrue() override;
+    void generate_LoadFalse() override;
+    void generate_LoadNull() override;
+    void generate_LoadUndefined() override;
+    void generate_LoadInt(int value) override;
+    void generate_MoveConst(int constIndex, int destTemp) override;
+    void generate_LoadReg(int reg) override;
+    void generate_StoreReg(int reg) override;
+    void generate_MoveReg(int srcReg, int destReg) override;
+    void generate_LoadLocal(int index) override;
+    void generate_StoreLocal(int index) override;
+    void generate_LoadScopedLocal(int scope, int index) override;
+    void generate_StoreScopedLocal(int scope, int index) override;
+    void generate_LoadRuntimeString(int stringId) override;
+    void generate_MoveRegExp(int regExpId, int destReg) override;
+    void generate_LoadClosure(int value) override;
+    void generate_LoadName(int name) override;
+    void generate_LoadGlobalLookup(int index) override;
+    void generate_StoreNameSloppy(int name) override;
+    void generate_StoreNameStrict(int name) override;
+    void generate_LoadElement(int base, int index) override;
+    void generate_LoadElementA(int base) override;
+    void generate_StoreElement(int base, int index) override;
+    void generate_LoadProperty(int name, int base) override;
+    void generate_LoadPropertyA(int name) override;
+    void generate_GetLookup(int index, int base) override;
+    void generate_GetLookupA(int index) override;
+    void generate_StoreProperty(int name, int base) override;
+    void generate_SetLookup(int index, int base) override;
     void generate_StoreScopeObjectProperty(int base,
-                                           int propertyIndex) Q_DECL_OVERRIDE;
+                                           int propertyIndex) override;
     void generate_StoreContextObjectProperty(int base,
-                                             int propertyIndex) Q_DECL_OVERRIDE;
+                                             int propertyIndex) override;
     void generate_LoadScopeObjectProperty(int propertyIndex, int base,
-                                          int captureRequired) Q_DECL_OVERRIDE;
+                                          int captureRequired) override;
     void generate_LoadContextObjectProperty(int propertyIndex, int base,
-                                            int captureRequired) Q_DECL_OVERRIDE;
-    void generate_LoadIdObject(int index, int base) Q_DECL_OVERRIDE;
-    void generate_CallValue(int name, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallProperty(int name, int base, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallPropertyLookup(int lookupIndex, int base, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallElement(int base, int index, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallName(int name, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallPossiblyDirectEval(int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallGlobalLookup(int index, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallScopeObjectProperty(int propIdx, int base, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_CallContextObjectProperty(int propIdx, int base, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_SetExceptionHandler(int offset) Q_DECL_OVERRIDE;
-    void generate_ThrowException() Q_DECL_OVERRIDE;
-    void generate_GetException() Q_DECL_OVERRIDE;
-    void generate_SetException() Q_DECL_OVERRIDE;
-    void generate_CreateCallContext() Q_DECL_OVERRIDE;
-    void generate_PushCatchContext(int name, int reg) Q_DECL_OVERRIDE;
-    void generate_PushWithContext(int reg) Q_DECL_OVERRIDE;
-    void generate_PopContext(int reg) Q_DECL_OVERRIDE;
-    void generate_ForeachIteratorObject() Q_DECL_OVERRIDE;
-    void generate_ForeachNextPropertyName() Q_DECL_OVERRIDE;
-    void generate_DeleteMember(int member, int base) Q_DECL_OVERRIDE;
-    void generate_DeleteSubscript(int base, int index) Q_DECL_OVERRIDE;
-    void generate_DeleteName(int name) Q_DECL_OVERRIDE;
-    void generate_TypeofName(int name) Q_DECL_OVERRIDE;
-    void generate_TypeofValue() Q_DECL_OVERRIDE;
-    void generate_DeclareVar(int varName, int isDeletable) Q_DECL_OVERRIDE;
-    void generate_DefineArray(int argc, int args) Q_DECL_OVERRIDE;
+                                            int captureRequired) override;
+    void generate_LoadIdObject(int index, int base) override;
+    void generate_CallValue(int name, int argc, int argv) override;
+    void generate_CallProperty(int name, int base, int argc, int argv) override;
+    void generate_CallPropertyLookup(int lookupIndex, int base, int argc, int argv) override;
+    void generate_CallElement(int base, int index, int argc, int argv) override;
+    void generate_CallName(int name, int argc, int argv) override;
+    void generate_CallPossiblyDirectEval(int argc, int argv) override;
+    void generate_CallGlobalLookup(int index, int argc, int argv) override;
+    void generate_CallScopeObjectProperty(int propIdx, int base, int argc, int argv) override;
+    void generate_CallContextObjectProperty(int propIdx, int base, int argc, int argv) override;
+    void generate_SetExceptionHandler(int offset) override;
+    void generate_ThrowException() override;
+    void generate_GetException() override;
+    void generate_SetException() override;
+    void generate_CreateCallContext() override;
+    void generate_PushCatchContext(int name, int reg) override;
+    void generate_PushWithContext(int reg) override;
+    void generate_PopContext(int reg) override;
+    void generate_ForeachIteratorObject() override;
+    void generate_ForeachNextPropertyName() override;
+    void generate_DeleteMember(int member, int base) override;
+    void generate_DeleteSubscript(int base, int index) override;
+    void generate_DeleteName(int name) override;
+    void generate_TypeofName(int name) override;
+    void generate_TypeofValue() override;
+    void generate_DeclareVar(int varName, int isDeletable) override;
+    void generate_DefineArray(int argc, int args) override;
     void generate_DefineObjectLiteral(int internalClassId, int arrayValueCount,
                                       int arrayGetterSetterCountAndFlags,
-                                      int args) Q_DECL_OVERRIDE;
-    void generate_CreateMappedArgumentsObject() Q_DECL_OVERRIDE;
-    void generate_CreateUnmappedArgumentsObject() Q_DECL_OVERRIDE;
-    void generate_ConvertThisToObject() Q_DECL_OVERRIDE;
-    void generate_Construct(int func, int argc, int argv) Q_DECL_OVERRIDE;
-    void generate_Jump(int offset) Q_DECL_OVERRIDE;
-    void generate_JumpTrue(int offset) Q_DECL_OVERRIDE;
-    void generate_JumpFalse(int offset) Q_DECL_OVERRIDE;
-    void generate_CmpEqNull() Q_DECL_OVERRIDE;
-    void generate_CmpNeNull() Q_DECL_OVERRIDE;
-    void generate_CmpEqInt(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpNeInt(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpEq(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpNe(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpGt(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpGe(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpLt(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpLe(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpStrictEqual(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpStrictNotEqual(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpIn(int lhs) Q_DECL_OVERRIDE;
-    void generate_CmpInstanceOf(int lhs) Q_DECL_OVERRIDE;
+                                      int args) override;
+    void generate_CreateMappedArgumentsObject() override;
+    void generate_CreateUnmappedArgumentsObject() override;
+    void generate_ConvertThisToObject() override;
+    void generate_Construct(int func, int argc, int argv) override;
+    void generate_Jump(int offset) override;
+    void generate_JumpTrue(int offset) override;
+    void generate_JumpFalse(int offset) override;
+    void generate_CmpEqNull() override;
+    void generate_CmpNeNull() override;
+    void generate_CmpEqInt(int lhs) override;
+    void generate_CmpNeInt(int lhs) override;
+    void generate_CmpEq(int lhs) override;
+    void generate_CmpNe(int lhs) override;
+    void generate_CmpGt(int lhs) override;
+    void generate_CmpGe(int lhs) override;
+    void generate_CmpLt(int lhs) override;
+    void generate_CmpLe(int lhs) override;
+    void generate_CmpStrictEqual(int lhs) override;
+    void generate_CmpStrictNotEqual(int lhs) override;
+    void generate_CmpIn(int lhs) override;
+    void generate_CmpInstanceOf(int lhs) override;
     void generate_JumpStrictEqualStackSlotInt(int lhs, int rhs,
-                                              int offset) Q_DECL_OVERRIDE;
+                                              int offset) override;
     void generate_JumpStrictNotEqualStackSlotInt(int lhs, int rhs,
-                                                 int offset) Q_DECL_OVERRIDE;
-    void generate_UNot() Q_DECL_OVERRIDE;
-    void generate_UPlus() Q_DECL_OVERRIDE;
-    void generate_UMinus() Q_DECL_OVERRIDE;
-    void generate_UCompl() Q_DECL_OVERRIDE;
-    void generate_Increment() Q_DECL_OVERRIDE;
-    void generate_Decrement() Q_DECL_OVERRIDE;
-    void generate_Add(int lhs) Q_DECL_OVERRIDE;
-    void generate_BitAnd(int lhs) Q_DECL_OVERRIDE;
-    void generate_BitOr(int lhs) Q_DECL_OVERRIDE;
-    void generate_BitXor(int lhs) Q_DECL_OVERRIDE;
-    void generate_UShr(int lhs) Q_DECL_OVERRIDE;
-    void generate_Shr(int lhs) Q_DECL_OVERRIDE;
-    void generate_Shl(int lhs) Q_DECL_OVERRIDE;
-    void generate_BitAndConst(int rhs) Q_DECL_OVERRIDE;
-    void generate_BitOrConst(int rhs) Q_DECL_OVERRIDE;
-    void generate_BitXorConst(int rhs) Q_DECL_OVERRIDE;
-    void generate_UShrConst(int rhs) Q_DECL_OVERRIDE;
-    void generate_ShrConst(int rhs) Q_DECL_OVERRIDE;
-    void generate_ShlConst(int rhs) Q_DECL_OVERRIDE;
-    void generate_Mul(int lhs) Q_DECL_OVERRIDE;
-    void generate_Div(int lhs) Q_DECL_OVERRIDE;
-    void generate_Mod(int lhs) Q_DECL_OVERRIDE;
-    void generate_Sub(int lhs) Q_DECL_OVERRIDE;
-    void generate_LoadQmlContext(int result) Q_DECL_OVERRIDE;
-    void generate_LoadQmlImportedScripts(int result) Q_DECL_OVERRIDE;
-    void generate_LoadQmlSingleton(int name) Q_DECL_OVERRIDE;
+                                                 int offset) override;
+    void generate_UNot() override;
+    void generate_UPlus() override;
+    void generate_UMinus() override;
+    void generate_UCompl() override;
+    void generate_Increment() override;
+    void generate_Decrement() override;
+    void generate_Add(int lhs) override;
+    void generate_BitAnd(int lhs) override;
+    void generate_BitOr(int lhs) override;
+    void generate_BitXor(int lhs) override;
+    void generate_UShr(int lhs) override;
+    void generate_Shr(int lhs) override;
+    void generate_Shl(int lhs) override;
+    void generate_BitAndConst(int rhs) override;
+    void generate_BitOrConst(int rhs) override;
+    void generate_BitXorConst(int rhs) override;
+    void generate_UShrConst(int rhs) override;
+    void generate_ShrConst(int rhs) override;
+    void generate_ShlConst(int rhs) override;
+    void generate_Mul(int lhs) override;
+    void generate_Div(int lhs) override;
+    void generate_Mod(int lhs) override;
+    void generate_Sub(int lhs) override;
+    void generate_LoadQmlContext(int result) override;
+    void generate_LoadQmlImportedScripts(int result) override;
+    void generate_LoadQmlSingleton(int name) override;
 
-    void startInstruction(Moth::Instr::Type instr) Q_DECL_OVERRIDE;
-    void endInstruction(Moth::Instr::Type instr) Q_DECL_OVERRIDE;
+    void startInstruction(Moth::Instr::Type instr) override;
+    void endInstruction(Moth::Instr::Type instr) override;
 
 protected:
     bool hasLabel() const
diff --git a/src/qml/jsapi/qjsengine.h b/src/qml/jsapi/qjsengine.h
index 89642b6f20..3ba2b52e89 100644
--- a/src/qml/jsapi/qjsengine.h
+++ b/src/qml/jsapi/qjsengine.h
@@ -63,7 +63,7 @@ class Q_QML_EXPORT QJSEngine
 public:
     QJSEngine();
     explicit QJSEngine(QObject *parent);
-    virtual ~QJSEngine();
+    ~QJSEngine() override;
 
     QJSValue globalObject() const;
 
diff --git a/src/qml/jsapi/qjsengine_p.h b/src/qml/jsapi/qjsengine_p.h
index 1ea1d77851..360c9df075 100644
--- a/src/qml/jsapi/qjsengine_p.h
+++ b/src/qml/jsapi/qjsengine_p.h
@@ -75,7 +75,7 @@ public:
     static QJSEnginePrivate* get(QV4::ExecutionEngine *e);
 
     QJSEnginePrivate() : mutex(QMutex::Recursive) {}
-    ~QJSEnginePrivate();
+    ~QJSEnginePrivate() override;
 
     static void addToDebugServer(QJSEngine *q);
     static void removeFromDebugServer(QJSEngine *q);
diff --git a/src/qml/jsruntime/qv4debugging_p.h b/src/qml/jsruntime/qv4debugging_p.h
index 61a55964ab..9b41bb6e7a 100644
--- a/src/qml/jsruntime/qv4debugging_p.h
+++ b/src/qml/jsruntime/qv4debugging_p.h
@@ -78,7 +78,7 @@ class Q_QML_EXPORT Debugger : public QObject
     Q_OBJECT
 
 public:
-    virtual ~Debugger() {}
+    ~Debugger() override {}
     virtual bool pauseAtNextOpportunity() const = 0;
     virtual void maybeBreakAtInstruction() = 0;
     virtual void enteringFunction() = 0;
diff --git a/src/qml/qml/qqmlapplicationengine.h b/src/qml/qml/qqmlapplicationengine.h
index d0f9e6d319..bb5d6b5d68 100644
--- a/src/qml/qml/qqmlapplicationengine.h
+++ b/src/qml/qml/qqmlapplicationengine.h
@@ -56,7 +56,7 @@ public:
     QQmlApplicationEngine(QObject *parent = nullptr);
     QQmlApplicationEngine(const QUrl &url, QObject *parent = nullptr);
     QQmlApplicationEngine(const QString &filePath, QObject *parent = nullptr);
-    ~QQmlApplicationEngine();
+    ~QQmlApplicationEngine() override;
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QList<QObject*> rootObjects(); // ### Qt 6: remove
diff --git a/src/qml/qml/qqmlbinding_p.h b/src/qml/qml/qqmlbinding_p.h
index 8bc9554a42..19ec3f5d4f 100644
--- a/src/qml/qml/qqmlbinding_p.h
+++ b/src/qml/qml/qqmlbinding_p.h
@@ -79,7 +79,7 @@ public:
                                QObject *obj, QQmlContextData *ctxt, QV4::ExecutionContext *scope);
     static QQmlBinding *createTranslationBinding(QV4::CompiledData::CompilationUnit *unit, const QV4::CompiledData::Binding *binding,
                                                  QObject *obj, QQmlContextData *ctxt);
-    ~QQmlBinding();
+    ~QQmlBinding() override;
 
     void setTarget(const QQmlProperty &);
     void setTarget(QObject *, const QQmlPropertyData &, const QQmlPropertyData *valueType);
diff --git a/src/qml/qml/qqmlboundsignal_p.h b/src/qml/qml/qqmlboundsignal_p.h
index d3e584fd13..01094a11f7 100644
--- a/src/qml/qml/qqmlboundsignal_p.h
+++ b/src/qml/qml/qqmlboundsignal_p.h
@@ -92,7 +92,7 @@ public:
     QQmlEngine *engine() const { return context() ? context()->engine : nullptr; }
 
 private:
-    ~QQmlBoundSignalExpression();
+    ~QQmlBoundSignalExpression() override;
 
     void init(QQmlContextData *ctxt, QObject *scope);
 
diff --git a/src/qml/qml/qqmlcomponent.h b/src/qml/qml/qqmlcomponent.h
index b8cc556e4a..444b3ec46c 100644
--- a/src/qml/qml/qqmlcomponent.h
+++ b/src/qml/qml/qqmlcomponent.h
@@ -83,7 +83,7 @@ public:
     QQmlComponent(QQmlEngine *, const QString &fileName, CompilationMode mode, QObject *parent = nullptr);
     QQmlComponent(QQmlEngine *, const QUrl &url, QObject *parent = nullptr);
     QQmlComponent(QQmlEngine *, const QUrl &url, CompilationMode mode, QObject *parent = nullptr);
-    virtual ~QQmlComponent();
+    ~QQmlComponent() override;
 
     enum Status { Null, Ready, Loading, Error };
     Q_ENUM(Status)
diff --git a/src/qml/qml/qqmlcontext.h b/src/qml/qml/qqmlcontext.h
index 506ae216b2..7ed70c7619 100644
--- a/src/qml/qml/qqmlcontext.h
+++ b/src/qml/qml/qqmlcontext.h
@@ -68,7 +68,7 @@ public:
 
     QQmlContext(QQmlEngine *parent, QObject *objParent = nullptr);
     QQmlContext(QQmlContext *parent, QObject *objParent = nullptr);
-    virtual ~QQmlContext();
+    ~QQmlContext() override;
 
     bool isValid() const;
 
diff --git a/src/qml/qml/qqmldelayedcallqueue_p.h b/src/qml/qml/qqmldelayedcallqueue_p.h
index 47e211829c..7962318561 100644
--- a/src/qml/qml/qqmldelayedcallqueue_p.h
+++ b/src/qml/qml/qqmldelayedcallqueue_p.h
@@ -65,7 +65,7 @@ class QQmlDelayedCallQueue : public QObject
     Q_OBJECT
 public:
     QQmlDelayedCallQueue();
-    ~QQmlDelayedCallQueue();
+    ~QQmlDelayedCallQueue() override;
 
     void init(QV4::ExecutionEngine *);
 
diff --git a/src/qml/qml/qqmlengine.h b/src/qml/qml/qqmlengine.h
index 937920e191..73ad2754c8 100644
--- a/src/qml/qml/qqmlengine.h
+++ b/src/qml/qml/qqmlengine.h
@@ -97,7 +97,7 @@ class Q_QML_EXPORT QQmlEngine : public QJSEngine
     Q_OBJECT
 public:
     explicit QQmlEngine(QObject *p = nullptr);
-    virtual ~QQmlEngine();
+    ~QQmlEngine() override;
 
     QQmlContext *rootContext() const;
 
diff --git a/src/qml/qml/qqmlengine_p.h b/src/qml/qml/qqmlengine_p.h
index 2dfbd42e57..d6110c6699 100644
--- a/src/qml/qml/qqmlengine_p.h
+++ b/src/qml/qml/qqmlengine_p.h
@@ -122,7 +122,7 @@ class Q_QML_PRIVATE_EXPORT QQmlEnginePrivate : public QJSEnginePrivate
     Q_DECLARE_PUBLIC(QQmlEngine)
 public:
     QQmlEnginePrivate(QQmlEngine *);
-    ~QQmlEnginePrivate();
+    ~QQmlEnginePrivate() override;
 
     void init();
     // No mutex protecting baseModulesUninitialized, because use outside QQmlEngine
@@ -341,7 +341,7 @@ void QQmlEnginePrivate::deleteInEngineThread(T *value)
     } else {
         struct I : public Deletable {
             I(T *value) : value(value) {}
-            ~I() { delete value; }
+            ~I() override { delete value; }
             T *value;
         };
         I *i = new I(value);
diff --git a/src/qml/qml/qqmlexpression.h b/src/qml/qml/qqmlexpression.h
index e9c8770e92..0eceeb12e1 100644
--- a/src/qml/qml/qqmlexpression.h
+++ b/src/qml/qml/qqmlexpression.h
@@ -62,7 +62,7 @@ public:
     QQmlExpression();
     QQmlExpression(QQmlContext *, QObject *, const QString &, QObject * = nullptr);
     explicit QQmlExpression(const QQmlScriptString &, QQmlContext * = nullptr, QObject * = nullptr, QObject * = nullptr);
-    virtual ~QQmlExpression();
+    ~QQmlExpression() override;
 
     QQmlEngine *engine() const;
     QQmlContext *context() const;
diff --git a/src/qml/qml/qqmlexpression_p.h b/src/qml/qml/qqmlexpression_p.h
index 55059575e1..da10b31b2c 100644
--- a/src/qml/qml/qqmlexpression_p.h
+++ b/src/qml/qml/qqmlexpression_p.h
@@ -68,7 +68,7 @@ class QQmlExpressionPrivate : public QObjectPrivate,
     Q_DECLARE_PUBLIC(QQmlExpression)
 public:
     QQmlExpressionPrivate();
-    ~QQmlExpressionPrivate();
+    ~QQmlExpressionPrivate() override;
 
     void init(QQmlContextData *, const QString &, QObject *);
     void init(QQmlContextData *, QV4::Function *runtimeFunction, QObject *);
diff --git a/src/qml/qml/qqmlextensioninterface.h b/src/qml/qml/qqmlextensioninterface.h
index 62b9b26569..c2d20ef0a3 100644
--- a/src/qml/qml/qqmlextensioninterface.h
+++ b/src/qml/qml/qqmlextensioninterface.h
@@ -58,7 +58,7 @@ public:
 class Q_QML_EXPORT QQmlExtensionInterface : public QQmlTypesExtensionInterface
 {
 public:
-    virtual ~QQmlExtensionInterface() {}
+    ~QQmlExtensionInterface() override {}
     virtual void initializeEngine(QQmlEngine *engine, const char *uri) = 0;
 };
 
diff --git a/src/qml/qml/qqmlextensionplugin.h b/src/qml/qml/qqmlextensionplugin.h
index 84a46fb93e..55e9b89dae 100644
--- a/src/qml/qml/qqmlextensionplugin.h
+++ b/src/qml/qml/qqmlextensionplugin.h
@@ -59,7 +59,7 @@ class Q_QML_EXPORT QQmlExtensionPlugin
     Q_INTERFACES(QQmlTypesExtensionInterface)
 public:
     explicit QQmlExtensionPlugin(QObject *parent = nullptr);
-    ~QQmlExtensionPlugin();
+    ~QQmlExtensionPlugin() override;
 
     QUrl baseUrl() const;
 
diff --git a/src/qml/qml/qqmlfileselector.h b/src/qml/qml/qqmlfileselector.h
index 4eaf92c918..9b70e3936d 100644
--- a/src/qml/qml/qqmlfileselector.h
+++ b/src/qml/qml/qqmlfileselector.h
@@ -55,7 +55,7 @@ class Q_QML_EXPORT QQmlFileSelector : public QObject
     Q_DECLARE_PRIVATE(QQmlFileSelector)
 public:
     explicit QQmlFileSelector(QQmlEngine *engine, QObject *parent = nullptr);
-    ~QQmlFileSelector();
+    ~QQmlFileSelector() override;
     QFileSelector *selector() const Q_DECL_NOTHROW;
     void setSelector(QFileSelector *selector);
     void setExtraSelectors(QStringList &strings); // TODO Qt6: remove
diff --git a/src/qml/qml/qqmlopenmetaobject_p.h b/src/qml/qml/qqmlopenmetaobject_p.h
index bb5477dfbf..4905190b75 100644
--- a/src/qml/qml/qqmlopenmetaobject_p.h
+++ b/src/qml/qml/qqmlopenmetaobject_p.h
@@ -69,7 +69,7 @@ class Q_QML_PRIVATE_EXPORT QQmlOpenMetaObjectType : public QQmlRefCount, public
 {
 public:
     QQmlOpenMetaObjectType(const QMetaObject *base, QQmlEngine *engine);
-    ~QQmlOpenMetaObjectType();
+    ~QQmlOpenMetaObjectType() override;
 
     void createProperties(const QVector<QByteArray> &names);
     int createProperty(const QByteArray &name);
@@ -97,7 +97,7 @@ class Q_QML_PRIVATE_EXPORT QQmlOpenMetaObject : public QAbstractDynamicMetaObjec
 public:
     QQmlOpenMetaObject(QObject *, const QMetaObject * = nullptr, bool = true);
     QQmlOpenMetaObject(QObject *, QQmlOpenMetaObjectType *, bool = true);
-    ~QQmlOpenMetaObject();
+    ~QQmlOpenMetaObject() override;
 
     QVariant value(const QByteArray &) const;
     bool setValue(const QByteArray &, const QVariant &);
diff --git a/src/qml/qml/qqmlprivate.h b/src/qml/qml/qqmlprivate.h
index 11adea6fc9..fabdcacc36 100644
--- a/src/qml/qml/qqmlprivate.h
+++ b/src/qml/qml/qqmlprivate.h
@@ -98,7 +98,7 @@ namespace QQmlPrivate
     class QQmlElement : public T
     {
     public:
-        virtual ~QQmlElement() {
+        ~QQmlElement() override {
             QQmlPrivate::qdeclarativeelement_destructor(this);
         }
     };
diff --git a/src/qml/qml/qqmlpropertycache_p.h b/src/qml/qml/qqmlpropertycache_p.h
index 7b04ba11b8..51a191a41f 100644
--- a/src/qml/qml/qqmlpropertycache_p.h
+++ b/src/qml/qml/qqmlpropertycache_p.h
@@ -394,7 +394,7 @@ class Q_QML_PRIVATE_EXPORT QQmlPropertyCache : public QQmlRefCount
 public:
     QQmlPropertyCache();
     QQmlPropertyCache(const QMetaObject *);
-    virtual ~QQmlPropertyCache();
+    ~QQmlPropertyCache() override;
 
     void update(const QMetaObject *);
     void invalidate(const QMetaObject *);
diff --git a/src/qml/qml/qqmltypeloader_p.h b/src/qml/qml/qqmltypeloader_p.h
index f2327e9a5f..713f707387 100644
--- a/src/qml/qml/qqmltypeloader_p.h
+++ b/src/qml/qml/qqmltypeloader_p.h
@@ -110,7 +110,7 @@ public:
     };
 
     QQmlDataBlob(const QUrl &, Type, QQmlTypeLoader* manager);
-    virtual ~QQmlDataBlob();
+    ~QQmlDataBlob() override;
 
     void startLoading();
 
@@ -262,7 +262,7 @@ public:
     {
     public:
         Blob(const QUrl &url, QQmlDataBlob::Type type, QQmlTypeLoader *loader);
-        ~Blob();
+        ~Blob() override;
 
         const QQmlImports &imports() const { return m_importCache; }
 
@@ -438,7 +438,7 @@ private:
     QQmlTypeData(const QUrl &, QQmlTypeLoader *);
 
 public:
-    ~QQmlTypeData();
+    ~QQmlTypeData() override;
 
     const QList<ScriptReference> &resolvedScripts() const;
 
@@ -523,7 +523,7 @@ private:
     QQmlScriptData();
 
 public:
-    ~QQmlScriptData();
+    ~QQmlScriptData() override;
 
     QUrl url;
     QString urlString;
@@ -554,7 +554,7 @@ private:
     QQmlScriptBlob(const QUrl &, QQmlTypeLoader *);
 
 public:
-    ~QQmlScriptBlob();
+    ~QQmlScriptBlob() override;
 
     struct ScriptReference
     {
diff --git a/src/qml/qml/qqmltypenamecache_p.h b/src/qml/qml/qqmltypenamecache_p.h
index c2f7a70d03..28b5e7f0ad 100644
--- a/src/qml/qml/qqmltypenamecache_p.h
+++ b/src/qml/qml/qqmltypenamecache_p.h
@@ -85,7 +85,7 @@ class Q_QML_PRIVATE_EXPORT QQmlTypeNameCache : public QQmlRefCount
 {
 public:
     QQmlTypeNameCache(const QQmlImports &imports);
-    virtual ~QQmlTypeNameCache();
+    ~QQmlTypeNameCache() override;
 
     inline bool isEmpty() const;
 
diff --git a/src/qml/qml/qqmlvaluetype_p.h b/src/qml/qml/qqmlvaluetype_p.h
index 7d8473db0e..4ea71e8955 100644
--- a/src/qml/qml/qqmlvaluetype_p.h
+++ b/src/qml/qml/qqmlvaluetype_p.h
@@ -67,7 +67,7 @@ class Q_QML_PRIVATE_EXPORT QQmlValueType : public QObject, public QAbstractDynam
 {
 public:
     QQmlValueType(int userType, const QMetaObject *metaObject);
-    ~QQmlValueType();
+    ~QQmlValueType() override;
     void read(QObject *, int);
     void write(QObject *, int, QQmlPropertyData::WriteFlags flags);
     QVariant value();
diff --git a/src/qml/qml/qqmlvmemetaobject_p.h b/src/qml/qml/qqmlvmemetaobject_p.h
index 1da79b8a81..0c82686d47 100644
--- a/src/qml/qml/qqmlvmemetaobject_p.h
+++ b/src/qml/qml/qqmlvmemetaobject_p.h
@@ -81,7 +81,7 @@ class QQmlVMEVariantQObjectPtr : public QQmlGuard<QObject>
 {
 public:
     inline QQmlVMEVariantQObjectPtr();
-    inline ~QQmlVMEVariantQObjectPtr();
+    inline ~QQmlVMEVariantQObjectPtr() override;
 
     inline void objectDestroyed(QObject *) override;
     inline void setGuardedValue(QObject *obj, QQmlVMEMetaObject *target, int index);
@@ -95,7 +95,7 @@ class Q_QML_PRIVATE_EXPORT QQmlInterceptorMetaObject : public QAbstractDynamicMe
 {
 public:
     QQmlInterceptorMetaObject(QObject *obj, QQmlPropertyCache *cache);
-    ~QQmlInterceptorMetaObject();
+    ~QQmlInterceptorMetaObject() override;
 
     void registerInterceptor(QQmlPropertyIndex index, QQmlPropertyValueInterceptor *interceptor);
 
@@ -147,7 +147,7 @@ class Q_QML_PRIVATE_EXPORT QQmlVMEMetaObject : public QQmlInterceptorMetaObject
 {
 public:
     QQmlVMEMetaObject(QV4::ExecutionEngine *engine, QObject *obj, QQmlPropertyCache *cache, QV4::CompiledData::CompilationUnit *qmlCompilationUnit, int qmlObjectId);
-    ~QQmlVMEMetaObject();
+    ~QQmlVMEMetaObject() override;
 
     bool aliasTarget(int index, QObject **target, int *coreIndex, int *valueTypeIndex) const;
     QV4::ReturnedValue vmeMethod(int index) const;
diff --git a/src/qml/util/qqmlpropertymap.h b/src/qml/util/qqmlpropertymap.h
index 3930ac00a8..cb7ada3d79 100644
--- a/src/qml/util/qqmlpropertymap.h
+++ b/src/qml/util/qqmlpropertymap.h
@@ -56,7 +56,7 @@ class Q_QML_EXPORT QQmlPropertyMap : public QObject
     Q_OBJECT
 public:
     explicit QQmlPropertyMap(QObject *parent = nullptr);
-    virtual ~QQmlPropertyMap();
+    ~QQmlPropertyMap() override;
 
     QVariant value(const QString &key) const;
     void insert(const QString &key, const QVariant &value);
diff --git a/src/qmltest/quicktestevent_p.h b/src/qmltest/quicktestevent_p.h
index d586ff638d..f33f339cdd 100644
--- a/src/qmltest/quicktestevent_p.h
+++ b/src/qmltest/quicktestevent_p.h
@@ -82,7 +82,7 @@ class Q_QUICK_TEST_EXPORT QuickTestEvent : public QObject
     Q_PROPERTY(int defaultMouseDelay READ defaultMouseDelay FINAL)
 public:
     QuickTestEvent(QObject *parent = nullptr);
-    ~QuickTestEvent();
+    ~QuickTestEvent() override;
     int defaultMouseDelay() const;
 
 public Q_SLOTS:
diff --git a/src/qmltest/quicktestresult_p.h b/src/qmltest/quicktestresult_p.h
index 3973cf4072..6e7b72830e 100644
--- a/src/qmltest/quicktestresult_p.h
+++ b/src/qmltest/quicktestresult_p.h
@@ -78,7 +78,7 @@ class Q_QUICK_TEST_EXPORT QuickTestResult : public QObject
     Q_PROPERTY(QStringList functionsToRun READ functionsToRun)
 public:
     QuickTestResult(QObject *parent = nullptr);
-    ~QuickTestResult();
+    ~QuickTestResult() override;
 
     // Values must match QBenchmarkIterationController::RunMode.
     enum RunMode
diff --git a/src/quick/items/qquickanchors_p.h b/src/quick/items/qquickanchors_p.h
index bf83867abb..931b963534 100644
--- a/src/quick/items/qquickanchors_p.h
+++ b/src/quick/items/qquickanchors_p.h
@@ -87,7 +87,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickAnchors : public QObject
 
 public:
     QQuickAnchors(QQuickItem *item, QObject *parent=nullptr);
-    virtual ~QQuickAnchors();
+    ~QQuickAnchors() override;
 
     enum Anchor
 #if defined(Q_CC_CLANG) || !defined(Q_CC_GNU) // meaning: clang and msvc, but NOT gcc proper (because, you know, Q_CC_CLANG implies Q_CC_GNU)
diff --git a/src/quick/items/qquickevents_p_p.h b/src/quick/items/qquickevents_p_p.h
index e430832fe7..e06455124e 100644
--- a/src/quick/items/qquickevents_p_p.h
+++ b/src/quick/items/qquickevents_p_p.h
@@ -395,7 +395,7 @@ public:
       , m_pressedButtons(Qt::NoButton)
     {}
 
-    virtual ~QQuickPointerEvent();
+    ~QQuickPointerEvent() override;
 
 public: // property accessors
     QQuickPointerDevice *device() const { return m_device; }
@@ -631,7 +631,7 @@ private:
       , m_uniqueId(QPointingDeviceUniqueId::fromNumericId(uniqueId))
     {
     }
-    ~QQuickPointerDevice() { }
+    ~QQuickPointerDevice() override { }
 
 private:
     DeviceType m_deviceType;
diff --git a/src/quick/items/qquickitem.h b/src/quick/items/qquickitem.h
index e38c276b9f..f79965c8d3 100644
--- a/src/quick/items/qquickitem.h
+++ b/src/quick/items/qquickitem.h
@@ -60,7 +60,7 @@ class Q_QUICK_EXPORT QQuickTransform : public QObject
     Q_OBJECT
 public:
     explicit QQuickTransform(QObject *parent = nullptr);
-    ~QQuickTransform();
+    ~QQuickTransform() override;
 
     void appendToItem(QQuickItem *);
     void prependToItem(QQuickItem *);
@@ -198,7 +198,7 @@ public:
     Q_ENUM(TransformOrigin)
 
     explicit QQuickItem(QQuickItem *parent = nullptr);
-    virtual ~QQuickItem();
+    ~QQuickItem() override;
 
     QQuickWindow *window() const;
     QQuickItem *parentItem() const;
diff --git a/src/quick/items/qquickitem_p.h b/src/quick/items/qquickitem_p.h
index 1a3be437af..fd0d08b49c 100644
--- a/src/quick/items/qquickitem_p.h
+++ b/src/quick/items/qquickitem_p.h
@@ -93,7 +93,7 @@ class QQuickContents : public QQuickItemChangeListener
 {
 public:
     QQuickContents(QQuickItem *item);
-    ~QQuickContents();
+    ~QQuickContents() override;
 
     QRectF rectF() const { return m_contents; }
 
@@ -154,7 +154,7 @@ class QQuickItemLayer : public QObject, public QQuickItemChangeListener
 
 public:
     QQuickItemLayer(QQuickItem *item);
-    ~QQuickItemLayer();
+    ~QQuickItemLayer() override;
 
     void classBegin();
     void componentComplete();
@@ -255,7 +255,7 @@ public:
     static const QQuickItemPrivate* get(const QQuickItem *item) { return item->d_func(); }
 
     QQuickItemPrivate();
-    ~QQuickItemPrivate();
+    ~QQuickItemPrivate() override;
     void init(QQuickItem *parent);
 
     QQmlListProperty<QObject> data();
@@ -807,7 +807,7 @@ class QQuickKeysAttached : public QObject, public QQuickItemKeyFilter
 
 public:
     QQuickKeysAttached(QObject *parent=nullptr);
-    ~QQuickKeysAttached();
+    ~QQuickKeysAttached() override;
 
     bool enabled() const { Q_D(const QQuickKeysAttached); return d->enabled; }
     void setEnabled(bool enabled) {
diff --git a/src/quick/items/qquickopenglshadereffect_p.h b/src/quick/items/qquickopenglshadereffect_p.h
index 3d1d8c426c..0c2adadc62 100644
--- a/src/quick/items/qquickopenglshadereffect_p.h
+++ b/src/quick/items/qquickopenglshadereffect_p.h
@@ -121,7 +121,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickOpenGLShaderEffect : public QObject
 
 public:
     QQuickOpenGLShaderEffect(QQuickShaderEffect *item, QObject *parent = nullptr);
-    ~QQuickOpenGLShaderEffect();
+    ~QQuickOpenGLShaderEffect() override;
 
     QByteArray fragmentShader() const { return m_common.source.sourceCode[Key::FragmentShader]; }
     void setFragmentShader(const QByteArray &code);
diff --git a/src/quick/items/qquickopenglshadereffectnode_p.h b/src/quick/items/qquickopenglshadereffectnode_p.h
index 029533ac9d..7c75bb3126 100644
--- a/src/quick/items/qquickopenglshadereffectnode_p.h
+++ b/src/quick/items/qquickopenglshadereffectnode_p.h
@@ -149,7 +149,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickOpenGLShaderEffectNode : public QObject, publ
     Q_OBJECT
 public:
     QQuickOpenGLShaderEffectNode();
-    virtual ~QQuickOpenGLShaderEffectNode();
+    ~QQuickOpenGLShaderEffectNode() override;
 
     void preprocess() override;
 
diff --git a/src/quick/items/qquickpainteditem.h b/src/quick/items/qquickpainteditem.h
index 66a0ea83c9..b057f4295d 100644
--- a/src/quick/items/qquickpainteditem.h
+++ b/src/quick/items/qquickpainteditem.h
@@ -58,7 +58,7 @@ class Q_QUICK_EXPORT QQuickPaintedItem : public QQuickItem
 
 public:
     explicit QQuickPaintedItem(QQuickItem *parent = nullptr);
-    virtual ~QQuickPaintedItem();
+    ~QQuickPaintedItem() override;
 
     enum RenderTarget {
         Image,
diff --git a/src/quick/items/qquickrectangle_p.h b/src/quick/items/qquickrectangle_p.h
index 636f8c5db6..c07ad835fb 100644
--- a/src/quick/items/qquickrectangle_p.h
+++ b/src/quick/items/qquickrectangle_p.h
@@ -123,7 +123,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickGradient : public QObject
 
 public:
     QQuickGradient(QObject *parent=nullptr);
-    ~QQuickGradient();
+    ~QQuickGradient() override;
 
     QQmlListProperty<QQuickGradientStop> stops();
 
diff --git a/src/quick/items/qquickrendercontrol.h b/src/quick/items/qquickrendercontrol.h
index a626216f84..8ec9b8aafc 100644
--- a/src/quick/items/qquickrendercontrol.h
+++ b/src/quick/items/qquickrendercontrol.h
@@ -56,7 +56,7 @@ class Q_QUICK_EXPORT QQuickRenderControl : public QObject
 
 public:
     explicit QQuickRenderControl(QObject *parent = nullptr);
-    ~QQuickRenderControl();
+    ~QQuickRenderControl() override;
 
     void prepareThread(QThread *targetThread);
     void initialize(QOpenGLContext *gl);
diff --git a/src/quick/items/qquickshadereffectsource_p.h b/src/quick/items/qquickshadereffectsource_p.h
index f70550f284..d5bb33902a 100644
--- a/src/quick/items/qquickshadereffectsource_p.h
+++ b/src/quick/items/qquickshadereffectsource_p.h
@@ -114,7 +114,7 @@ public:
     Q_ENUM(TextureMirroring)
 
     QQuickShaderEffectSource(QQuickItem *parent = nullptr);
-    ~QQuickShaderEffectSource();
+    ~QQuickShaderEffectSource() override;
 
     WrapMode wrapMode() const;
     void setWrapMode(WrapMode mode);
diff --git a/src/quick/items/qquicksprite_p.h b/src/quick/items/qquicksprite_p.h
index 19cbc416ca..8e119a80a9 100644
--- a/src/quick/items/qquicksprite_p.h
+++ b/src/quick/items/qquicksprite_p.h
@@ -89,7 +89,7 @@ class Q_QUICK_EXPORT QQuickSprite : public QQuickStochasticState
 
 public:
     explicit QQuickSprite(QObject *parent = nullptr);
-    ~QQuickSprite();
+    ~QQuickSprite() override;
 
     QUrl source() const
     {
diff --git a/src/quick/items/qquickspriteengine_p.h b/src/quick/items/qquickspriteengine_p.h
index d6d22b05d8..da917683b6 100644
--- a/src/quick/items/qquickspriteengine_p.h
+++ b/src/quick/items/qquickspriteengine_p.h
@@ -192,7 +192,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickStochasticEngine : public QObject
 public:
     explicit QQuickStochasticEngine(QObject *parent = nullptr);
     QQuickStochasticEngine(const QList<QQuickStochasticState*> &states, QObject *parent = nullptr);
-    ~QQuickStochasticEngine();
+    ~QQuickStochasticEngine() override;
 
     QQmlListProperty<QQuickStochasticState> states()
     {
@@ -269,7 +269,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickSpriteEngine : public QQuickStochasticEngine
 public:
     explicit QQuickSpriteEngine(QObject *parent = nullptr);
     QQuickSpriteEngine(const QList<QQuickSprite*> &sprites, QObject *parent = nullptr);
-    ~QQuickSpriteEngine();
+    ~QQuickSpriteEngine() override;
     QQmlListProperty<QQuickSprite> sprites()
     {
         return QQmlListProperty<QQuickSprite>(this, m_sprites);
diff --git a/src/quick/items/qquicktext_p.h b/src/quick/items/qquicktext_p.h
index 039ede2bad..15e989c13d 100644
--- a/src/quick/items/qquicktext_p.h
+++ b/src/quick/items/qquicktext_p.h
@@ -103,7 +103,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickText : public QQuickImplicitSizeItem
 
 public:
     QQuickText(QQuickItem *parent=nullptr);
-    ~QQuickText();
+    ~QQuickText() override;
 
     enum HAlignment { AlignLeft = Qt::AlignLeft,
                        AlignRight = Qt::AlignRight,
diff --git a/src/quick/items/qquickview.h b/src/quick/items/qquickview.h
index 006a691387..ecae25e90b 100644
--- a/src/quick/items/qquickview.h
+++ b/src/quick/items/qquickview.h
@@ -63,7 +63,7 @@ public:
     QQuickView(QQmlEngine* engine, QWindow *parent);
     explicit QQuickView(const QUrl &source, QWindow *parent = nullptr);
     QQuickView(const QUrl &source, QQuickRenderControl *renderControl);
-    virtual ~QQuickView();
+    ~QQuickView() override;
 
     QUrl source() const;
 
diff --git a/src/quick/items/qquickwindow.h b/src/quick/items/qquickwindow.h
index 53e0581fbb..817178fdac 100644
--- a/src/quick/items/qquickwindow.h
+++ b/src/quick/items/qquickwindow.h
@@ -110,7 +110,7 @@ public:
     explicit QQuickWindow(QWindow *parent = nullptr);
     explicit QQuickWindow(QQuickRenderControl *renderControl);
 
-    virtual ~QQuickWindow();
+    ~QQuickWindow() override;
 
     QQuickItem *contentItem() const;
 
diff --git a/src/quick/items/qquickwindow_p.h b/src/quick/items/qquickwindow_p.h
index cd5ff31994..b5e3a2c1eb 100644
--- a/src/quick/items/qquickwindow_p.h
+++ b/src/quick/items/qquickwindow_p.h
@@ -114,7 +114,7 @@ public:
     static inline QQuickWindowPrivate *get(QQuickWindow *c) { return c->d_func(); }
 
     QQuickWindowPrivate();
-    virtual ~QQuickWindowPrivate();
+    ~QQuickWindowPrivate() override;
 
     void init(QQuickWindow *, QQuickRenderControl *control = nullptr);
 
diff --git a/src/quick/scenegraph/coreapi/qsgabstractrenderer.h b/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
index 304dc008d5..ab6fb4f317 100644
--- a/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
+++ b/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
@@ -62,7 +62,7 @@ public:
     };
     Q_DECLARE_FLAGS(ClearMode, ClearModeBit)
 
-    virtual ~QSGAbstractRenderer();
+    ~QSGAbstractRenderer() override;
 
     void setRootNode(QSGRootNode *node);
     QSGRootNode *rootNode() const;
diff --git a/src/quick/scenegraph/coreapi/qsgnode.h b/src/quick/scenegraph/coreapi/qsgnode.h
index 528f100f8e..854e284c9e 100644
--- a/src/quick/scenegraph/coreapi/qsgnode.h
+++ b/src/quick/scenegraph/coreapi/qsgnode.h
@@ -190,7 +190,7 @@ void Q_QUICK_EXPORT qsgnode_set_description(QSGNode *node, const QString &descri
 class Q_QUICK_EXPORT QSGBasicGeometryNode : public QSGNode
 {
 public:
-    ~QSGBasicGeometryNode();
+    ~QSGBasicGeometryNode() override;
 
     void setGeometry(QSGGeometry *geometry);
     const QSGGeometry *geometry() const { return m_geometry; }
@@ -224,7 +224,7 @@ class Q_QUICK_EXPORT QSGGeometryNode : public QSGBasicGeometryNode
 {
 public:
     QSGGeometryNode();
-    ~QSGGeometryNode();
+    ~QSGGeometryNode() override;
 
     void setMaterial(QSGMaterial *material);
     QSGMaterial *material() const { return m_material; }
@@ -257,7 +257,7 @@ class Q_QUICK_EXPORT QSGClipNode : public QSGBasicGeometryNode
 {
 public:
     QSGClipNode();
-    ~QSGClipNode();
+    ~QSGClipNode() override;
 
     void setIsRectangular(bool rectHint);
     bool isRectangular() const { return m_is_rectangular; }
@@ -277,7 +277,7 @@ class Q_QUICK_EXPORT QSGTransformNode : public QSGNode
 {
 public:
     QSGTransformNode();
-    ~QSGTransformNode();
+    ~QSGTransformNode() override;
 
     void setMatrix(const QMatrix4x4 &matrix);
     const QMatrix4x4 &matrix() const { return m_matrix; }
@@ -295,7 +295,7 @@ class Q_QUICK_EXPORT QSGRootNode : public QSGNode
 {
 public:
     QSGRootNode();
-    ~QSGRootNode();
+    ~QSGRootNode() override;
 
 private:
     void notifyNodeChange(QSGNode *node, DirtyState state);
@@ -312,7 +312,7 @@ class Q_QUICK_EXPORT QSGOpacityNode : public QSGNode
 {
 public:
     QSGOpacityNode();
-    ~QSGOpacityNode();
+    ~QSGOpacityNode() override;
 
     void setOpacity(qreal opacity);
     qreal opacity() const { return m_opacity; }
diff --git a/src/quick/scenegraph/coreapi/qsgrendernode.h b/src/quick/scenegraph/coreapi/qsgrendernode.h
index f6bc40d3ee..0fb83b080c 100644
--- a/src/quick/scenegraph/coreapi/qsgrendernode.h
+++ b/src/quick/scenegraph/coreapi/qsgrendernode.h
@@ -80,7 +80,7 @@ public:
     };
 
     QSGRenderNode();
-    ~QSGRenderNode();
+    ~QSGRenderNode() override;
 
     virtual StateFlags changedStates() const;
     virtual void render(const RenderState *state) = 0;
diff --git a/src/quick/scenegraph/qsgcontext_p.h b/src/quick/scenegraph/qsgcontext_p.h
index 00c23be60c..6d70d7ef6b 100644
--- a/src/quick/scenegraph/qsgcontext_p.h
+++ b/src/quick/scenegraph/qsgcontext_p.h
@@ -111,7 +111,7 @@ public:
     };
 
     explicit QSGContext(QObject *parent = nullptr);
-    virtual ~QSGContext();
+    ~QSGContext() override;
 
     virtual void renderContextInitialized(QSGRenderContext *renderContext);
     virtual void renderContextInvalidated(QSGRenderContext *renderContext);
@@ -159,7 +159,7 @@ public:
     };
 
     QSGRenderContext(QSGContext *context);
-    virtual ~QSGRenderContext();
+    ~QSGRenderContext() override;
 
     QSGContext *sceneGraphContext() const { return m_sg; }
     virtual bool isValid() const { return true; }
diff --git a/src/quick/scenegraph/util/qsgengine.h b/src/quick/scenegraph/util/qsgengine.h
index 514e6e8c2b..e9e01dc710 100644
--- a/src/quick/scenegraph/util/qsgengine.h
+++ b/src/quick/scenegraph/util/qsgengine.h
@@ -68,7 +68,7 @@ public:
     Q_DECLARE_FLAGS(CreateTextureOptions, CreateTextureOption)
 
     explicit QSGEngine(QObject *parent = nullptr);
-    ~QSGEngine();
+    ~QSGEngine() override;
 
     void initialize(QOpenGLContext *context);
     void invalidate();
diff --git a/src/quick/scenegraph/util/qsgimagenode.h b/src/quick/scenegraph/util/qsgimagenode.h
index 0e053c307f..526f52b7e5 100644
--- a/src/quick/scenegraph/util/qsgimagenode.h
+++ b/src/quick/scenegraph/util/qsgimagenode.h
@@ -48,7 +48,7 @@ QT_BEGIN_NAMESPACE
 class Q_QUICK_EXPORT QSGImageNode : public QSGGeometryNode
 {
 public:
-    virtual ~QSGImageNode() { }
+    ~QSGImageNode() override { }
 
     virtual void setRect(const QRectF &rect) = 0;
     inline void setRect(qreal x, qreal y, qreal w, qreal h) { setRect(QRectF(x, y, w, h)); }
diff --git a/src/quick/scenegraph/util/qsgninepatchnode.h b/src/quick/scenegraph/util/qsgninepatchnode.h
index 8509cbd326..e76afd3c4a 100644
--- a/src/quick/scenegraph/util/qsgninepatchnode.h
+++ b/src/quick/scenegraph/util/qsgninepatchnode.h
@@ -48,7 +48,7 @@ QT_BEGIN_NAMESPACE
 class Q_QUICK_EXPORT QSGNinePatchNode : public QSGGeometryNode
 {
 public:
-    virtual ~QSGNinePatchNode() { }
+    ~QSGNinePatchNode() override { }
 
     virtual void setTexture(QSGTexture *texture) = 0;
     virtual void setBounds(const QRectF &bounds) = 0;
diff --git a/src/quick/scenegraph/util/qsgrectanglenode.h b/src/quick/scenegraph/util/qsgrectanglenode.h
index 8e0da1d9c7..ba52b65b07 100644
--- a/src/quick/scenegraph/util/qsgrectanglenode.h
+++ b/src/quick/scenegraph/util/qsgrectanglenode.h
@@ -47,7 +47,7 @@ QT_BEGIN_NAMESPACE
 class Q_QUICK_EXPORT QSGRectangleNode : public QSGGeometryNode
 {
 public:
-    virtual ~QSGRectangleNode() { }
+    ~QSGRectangleNode() override { }
 
     virtual void setRect(const QRectF &rect) = 0;
     inline void setRect(qreal x, qreal y, qreal w, qreal h) { setRect(QRectF(x, y, w, h)); }
diff --git a/src/quick/scenegraph/util/qsgsimplematerial.h b/src/quick/scenegraph/util/qsgsimplematerial.h
index dcf9b89b21..79180ca8e2 100644
--- a/src/quick/scenegraph/util/qsgsimplematerial.h
+++ b/src/quick/scenegraph/util/qsgsimplematerial.h
@@ -185,7 +185,7 @@ public:
     QSGSimpleMaterialComparableMaterial(PtrShaderCreateFunc func)
         : QSGSimpleMaterial<State>(func) {}
 
-    int compare(const QSGMaterial *other) const {
+    int compare(const QSGMaterial *other) const override {
         return QSGSimpleMaterialComparableMaterial<State>::state()->compare(static_cast<const QSGSimpleMaterialComparableMaterial<State> *>(other)->state());
     }
 };
diff --git a/src/quick/scenegraph/util/qsgsimpletexturenode.h b/src/quick/scenegraph/util/qsgsimpletexturenode.h
index 09e4277c66..010463d3c6 100644
--- a/src/quick/scenegraph/util/qsgsimpletexturenode.h
+++ b/src/quick/scenegraph/util/qsgsimpletexturenode.h
@@ -52,7 +52,7 @@ class Q_QUICK_EXPORT QSGSimpleTextureNode : public QSGGeometryNode
 {
 public:
     QSGSimpleTextureNode();
-    ~QSGSimpleTextureNode();
+    ~QSGSimpleTextureNode() override;
 
     void setRect(const QRectF &rect);
     inline void setRect(qreal x, qreal y, qreal w, qreal h) { setRect(QRectF(x, y, w, h)); }
diff --git a/src/quick/scenegraph/util/qsgtexture.h b/src/quick/scenegraph/util/qsgtexture.h
index 032129434e..7bd57a16e3 100644
--- a/src/quick/scenegraph/util/qsgtexture.h
+++ b/src/quick/scenegraph/util/qsgtexture.h
@@ -54,7 +54,7 @@ class Q_QUICK_EXPORT QSGTexture : public QObject
 
 public:
     QSGTexture();
-    ~QSGTexture();
+    ~QSGTexture() override;
 
     enum WrapMode {
         Repeat,
diff --git a/src/quick/scenegraph/util/qsgtexture_p.h b/src/quick/scenegraph/util/qsgtexture_p.h
index 52dc6db2d0..18dd5eff68 100644
--- a/src/quick/scenegraph/util/qsgtexture_p.h
+++ b/src/quick/scenegraph/util/qsgtexture_p.h
@@ -83,7 +83,7 @@ class Q_QUICK_PRIVATE_EXPORT QSGPlainTexture : public QSGTexture
     Q_OBJECT
 public:
     QSGPlainTexture();
-    virtual ~QSGPlainTexture();
+    ~QSGPlainTexture() override;
 
     void setOwnsTexture(bool owns) { m_owns_texture = owns; }
     bool ownsTexture() const { return m_owns_texture; }
diff --git a/src/quick/util/qquickanimation_p.h b/src/quick/util/qquickanimation_p.h
index d1f460fef7..2293f2597f 100644
--- a/src/quick/util/qquickanimation_p.h
+++ b/src/quick/util/qquickanimation_p.h
@@ -88,7 +88,7 @@ public:
     };
 
     QQuickAbstractAnimation(QObject *parent=nullptr);
-    virtual ~QQuickAbstractAnimation();
+    ~QQuickAbstractAnimation() override;
 
     enum Loops { Infinite = -2 };
     Q_ENUM(Loops)
@@ -167,7 +167,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickPauseAnimation : public QQuickAbstractAnimati
 
 public:
     QQuickPauseAnimation(QObject *parent=nullptr);
-    virtual ~QQuickPauseAnimation();
+    ~QQuickPauseAnimation() override;
 
     int duration() const;
     void setDuration(int);
@@ -193,7 +193,7 @@ class QQuickScriptAction : public QQuickAbstractAnimation
 
 public:
     QQuickScriptAction(QObject *parent=nullptr);
-    virtual ~QQuickScriptAction();
+    ~QQuickScriptAction() override;
 
     QQmlScriptString script() const;
     void setScript(const QQmlScriptString &);
@@ -223,7 +223,7 @@ class QQuickPropertyAction : public QQuickAbstractAnimation
 
 public:
     QQuickPropertyAction(QObject *parent=nullptr);
-    virtual ~QQuickPropertyAction();
+    ~QQuickPropertyAction() override;
 
     QObject *target() const;
     void setTargetObject(QObject *);
@@ -271,7 +271,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickPropertyAnimation : public QQuickAbstractAnim
 
 public:
     QQuickPropertyAnimation(QObject *parent=nullptr);
-    virtual ~QQuickPropertyAnimation();
+    ~QQuickPropertyAnimation() override;
 
     virtual int duration() const;
     virtual void setDuration(int);
@@ -326,7 +326,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickColorAnimation : public QQuickPropertyAnimati
 
 public:
     QQuickColorAnimation(QObject *parent=nullptr);
-    virtual ~QQuickColorAnimation();
+    ~QQuickColorAnimation() override;
 
     QColor from() const;
     void setFrom(const QColor &);
@@ -345,7 +345,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickNumberAnimation : public QQuickPropertyAnimat
 
 public:
     QQuickNumberAnimation(QObject *parent=nullptr);
-    virtual ~QQuickNumberAnimation();
+    ~QQuickNumberAnimation() override;
 
     qreal from() const;
     void setFrom(qreal);
@@ -370,7 +370,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickVector3dAnimation : public QQuickPropertyAnim
 
 public:
     QQuickVector3dAnimation(QObject *parent=nullptr);
-    virtual ~QQuickVector3dAnimation();
+    ~QQuickVector3dAnimation() override;
 
     QVector3D from() const;
     void setFrom(QVector3D);
@@ -391,7 +391,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickRotationAnimation : public QQuickPropertyAnim
 
 public:
     QQuickRotationAnimation(QObject *parent=nullptr);
-    virtual ~QQuickRotationAnimation();
+    ~QQuickRotationAnimation() override;
 
     qreal from() const;
     void setFrom(qreal);
@@ -419,7 +419,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickAnimationGroup : public QQuickAbstractAnimati
 
 public:
     QQuickAnimationGroup(QObject *parent);
-    virtual ~QQuickAnimationGroup();
+    ~QQuickAnimationGroup() override;
 
     QQmlListProperty<QQuickAbstractAnimation> animations();
     friend class QQuickAbstractAnimation;
@@ -435,7 +435,7 @@ class QQuickSequentialAnimation : public QQuickAnimationGroup
 
 public:
     QQuickSequentialAnimation(QObject *parent=nullptr);
-    virtual ~QQuickSequentialAnimation();
+    ~QQuickSequentialAnimation() override;
 
 protected:
     ThreadingModel threadingModel() const override;
@@ -452,7 +452,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickParallelAnimation : public QQuickAnimationGro
 
 public:
     QQuickParallelAnimation(QObject *parent=nullptr);
-    virtual ~QQuickParallelAnimation();
+    ~QQuickParallelAnimation() override;
 
 protected:
     ThreadingModel threadingModel() const override;
diff --git a/src/quick/util/qquickanimation_p_p.h b/src/quick/util/qquickanimation_p_p.h
index 304258cde1..c20ec65c24 100644
--- a/src/quick/util/qquickanimation_p_p.h
+++ b/src/quick/util/qquickanimation_p_p.h
@@ -102,7 +102,7 @@ public:
     QActionAnimation();
 
     QActionAnimation(QAbstractAnimationAction *action);
-    ~QActionAnimation();
+    ~QActionAnimation() override;
 
     int duration() const override;
     void setAnimAction(QAbstractAnimationAction *action);
@@ -130,7 +130,7 @@ class Q_AUTOTEST_EXPORT QQuickBulkValueAnimator : public QAbstractAnimationJob
     Q_DISABLE_COPY(QQuickBulkValueAnimator)
 public:
     QQuickBulkValueAnimator();
-    ~QQuickBulkValueAnimator();
+    ~QQuickBulkValueAnimator() override;
 
     void setAnimValue(QQuickBulkValueUpdater *value);
     QQuickBulkValueUpdater *getAnimValue() const { return animValue; }
@@ -307,7 +307,7 @@ class Q_AUTOTEST_EXPORT QQuickAnimationPropertyUpdater : public QQuickBulkValueU
 {
 public:
     QQuickAnimationPropertyUpdater() : interpolatorType(0), interpolator(nullptr), prevInterpolatorType(0), reverse(false), fromSourced(false), fromDefined(false), wasDeleted(nullptr) {}
-    ~QQuickAnimationPropertyUpdater();
+    ~QQuickAnimationPropertyUpdater() override;
 
     void setValue(qreal v) override;
 
diff --git a/src/quick/util/qquickimageprovider.h b/src/quick/util/qquickimageprovider.h
index 4451105782..4f8193789a 100644
--- a/src/quick/util/qquickimageprovider.h
+++ b/src/quick/util/qquickimageprovider.h
@@ -59,7 +59,7 @@ class Q_QUICK_EXPORT QQuickTextureFactory : public QObject
     Q_OBJECT
 public:
     QQuickTextureFactory();
-    virtual ~QQuickTextureFactory();
+    ~QQuickTextureFactory() override;
 
     virtual QSGTexture *createTexture(QQuickWindow *window) const = 0;
     virtual QSize textureSize() const = 0;
@@ -74,7 +74,7 @@ class Q_QUICK_EXPORT QQuickImageResponse : public QObject
 Q_OBJECT
 public:
     QQuickImageResponse();
-    virtual ~QQuickImageResponse();
+    ~QQuickImageResponse() override;
 
     virtual QQuickTextureFactory *textureFactory() const = 0;
     virtual QString errorString() const;
@@ -91,7 +91,7 @@ class Q_QUICK_EXPORT QQuickImageProvider : public QQmlImageProviderBase
     friend class QQuickImageProviderWithOptions; // ### Qt 6 Remove
 public:
     QQuickImageProvider(ImageType type, Flags flags = Flags());
-    virtual ~QQuickImageProvider();
+    ~QQuickImageProvider() override;
 
     ImageType imageType() const override;
     Flags flags() const override;
@@ -114,7 +114,7 @@ class Q_QUICK_EXPORT QQuickAsyncImageProvider : public QQuickImageProvider
 {
 public:
     QQuickAsyncImageProvider();
-    virtual ~QQuickAsyncImageProvider();
+    ~QQuickAsyncImageProvider() override;
 
 #if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
     virtual QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize, const QQuickImageProviderOptions &options) = 0;
diff --git a/src/quick/util/qquickpath_p.h b/src/quick/util/qquickpath_p.h
index f8b67ef945..6b9a40fe6d 100644
--- a/src/quick/util/qquickpath_p.h
+++ b/src/quick/util/qquickpath_p.h
@@ -449,7 +449,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickPath : public QObject, public QQmlParserStatu
     Q_INTERFACES(QQmlParserStatus)
 public:
     QQuickPath(QObject *parent=nullptr);
-    ~QQuickPath();
+    ~QQuickPath() override;
 
     QQmlListProperty<QQuickPathElement> pathElements();
 
diff --git a/src/quick/util/qquickprofiler_p.h b/src/quick/util/qquickprofiler_p.h
index 38027a6abf..d699ddf371 100644
--- a/src/quick/util/qquickprofiler_p.h
+++ b/src/quick/util/qquickprofiler_p.h
@@ -333,7 +333,7 @@ public:
 
     static void initialize(QObject *parent);
 
-    virtual ~QQuickProfiler();
+    ~QQuickProfiler() override;
 
 signals:
     void dataReady(const QVector<QQuickProfilerData> &data);
diff --git a/src/quick/util/qquickstate_p.h b/src/quick/util/qquickstate_p.h
index 89af5882df..79874ee78e 100644
--- a/src/quick/util/qquickstate_p.h
+++ b/src/quick/util/qquickstate_p.h
@@ -160,7 +160,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickState : public QObject
 
 public:
     QQuickState(QObject *parent=nullptr);
-    virtual ~QQuickState();
+    ~QQuickState() override;
 
     QString name() const;
     void setName(const QString &);
diff --git a/src/quickwidgets/qquickwidget.h b/src/quickwidgets/qquickwidget.h
index 8c9382e84b..3ddb0613ad 100644
--- a/src/quickwidgets/qquickwidget.h
+++ b/src/quickwidgets/qquickwidget.h
@@ -66,7 +66,7 @@ public:
     explicit QQuickWidget(QWidget *parent = nullptr);
     QQuickWidget(QQmlEngine* engine, QWidget *parent);
     explicit QQuickWidget(const QUrl &source, QWidget *parent = nullptr);
-    virtual ~QQuickWidget();
+    ~QQuickWidget() override;
 
     QUrl source() const;