diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/generalhelper.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/generalhelper.cpp
index 590785a30e3..f9256ea592f 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/generalhelper.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/generalhelper.cpp
@@ -163,9 +163,13 @@ QVector3D GeneralHelper::panCamera(QQuick3DCamera *camera, const QMatrix4x4 star
     return startLookAt + delta;
 }
 
-float GeneralHelper::zoomCamera(QQuick3DViewport *viewPort, QQuick3DCamera *camera, float distance,
-                                float defaultLookAtDistance, const QVector3D &lookAt,
-                                float zoomFactor, bool relative)
+float GeneralHelper::zoomCamera([[maybe_unused]] QQuick3DViewport *viewPort,
+                                QQuick3DCamera *camera,
+                                float distance,
+                                float defaultLookAtDistance,
+                                const QVector3D &lookAt,
+                                float zoomFactor,
+                                bool relative)
 {
     // Emprically determined divisor for nice zoom
     float multiplier = 1.f + (distance / 40.f);
@@ -180,8 +184,6 @@ float GeneralHelper::zoomCamera(QQuick3DViewport *viewPort, QQuick3DCamera *came
             if (const QQuickWindow *w = viewPort->window())
                 orthoFactor *= w->devicePixelRatio();
         }
-#else
-    Q_UNUSED(viewPort)
 #endif
         camera->setScale(QVector3D(orthoFactor, orthoFactor, orthoFactor));
     } else if (qobject_cast<QQuick3DPerspectiveCamera *>(camera)) {
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/icongizmoimageprovider.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/icongizmoimageprovider.cpp
index cf2be48316d..6151b7ea015 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/icongizmoimageprovider.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/editor3d/icongizmoimageprovider.cpp
@@ -33,11 +33,10 @@ IconGizmoImageProvider::IconGizmoImageProvider()
 {
 }
 
-QImage IconGizmoImageProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize)
+QImage IconGizmoImageProvider::requestImage(const QString &id,
+                                            [[maybe_unused]] QSize *size,
+                                            [[maybe_unused]] const QSize &requestedSize)
 {
-    Q_UNUSED(size)
-    Q_UNUSED(requestedSize)
-
     // id format: <file name>:<color name>
     QStringList parts = id.split(':');
     if (parts.size() == 2) {
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/import3d/import3d.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/import3d/import3d.cpp
index 2bc6135ce9b..dae396ca93d 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/import3d/import3d.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/import3d/import3d.cpp
@@ -41,7 +41,9 @@
 namespace Import3D
 {
 
-void import3D(const QString &sourceAsset, const QString &outDir, const QString &options)
+void import3D([[maybe_unused]] const QString &sourceAsset,
+              [[maybe_unused]] const QString &outDir,
+              [[maybe_unused]] const QString &options)
 {
     QString errorStr;
 #ifdef IMPORT_QUICK3D_ASSETS
@@ -63,11 +65,6 @@ void import3D(const QString &sourceAsset, const QString &outDir, const QString &
     } else {
         errorStr = QObject::tr("Failed to parse import options: %1").arg(error.errorString());
     }
-#else
-    errorStr = QObject::tr("QtQuick3D is not available.");
-    Q_UNUSED(sourceAsset)
-    Q_UNUSED(outDir)
-    Q_UNUSED(options)
 #endif
     if (!errorStr.isEmpty()) {
         qWarning() << __FUNCTION__ << "Failed to import asset:" << errorStr << outDir;
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/animationdriver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/animationdriver.cpp
index d8ef223104d..41eae06c500 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/animationdriver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/animationdriver.cpp
@@ -38,10 +38,9 @@ AnimationDriver::~AnimationDriver()
 
 }
 
-void AnimationDriver::timerEvent(QTimerEvent *e)
+void AnimationDriver::timerEvent([[maybe_unused]] QTimerEvent *e)
 {
     Q_ASSERT(e->timerId() == m_timer.timerId());
-    Q_UNUSED(e);
 
     quint32 old = elapsed();
     // Provide same time for all users
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp
index 41c67f70b68..ad46fc86c34 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp
@@ -1479,19 +1479,13 @@ QStringList NodeInstanceServer::dummyDataDirectories(const QString &directoryPat
     }
 }
 
-void NodeInstanceServer::inputEvent(const InputEventCommand &command)
-{
-    Q_UNUSED(command)
-}
+void NodeInstanceServer::inputEvent([[maybe_unused]] const InputEventCommand &command) {}
 
-void NodeInstanceServer::view3DAction(const View3DActionCommand &command)
-{
-    Q_UNUSED(command)
-}
+void NodeInstanceServer::view3DAction([[maybe_unused]] const View3DActionCommand &command) {}
 
-void NodeInstanceServer::requestModelNodePreviewImage(const RequestModelNodePreviewImageCommand &command)
+void NodeInstanceServer::requestModelNodePreviewImage(
+    [[maybe_unused]] const RequestModelNodePreviewImageCommand &command)
 {
-    Q_UNUSED(command)
 }
 
 void NodeInstanceServer::changeLanguage(const ChangeLanguageCommand &command)
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/objectnodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/objectnodeinstance.cpp
index 9f3a1d6b3bc..429aec1ef8d 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/objectnodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/objectnodeinstance.cpp
@@ -741,8 +741,7 @@ QObject *ObjectNodeInstance::createPrimitiveFromSource(const QString &typeName,
 
 QObject *ObjectNodeInstance::createComponentWrap(const QString &nodeSource, const QByteArray &importCode, QQmlContext *context)
 {
-    QmlPrivateGate::ComponentCompleteDisabler disableComponentComplete;
-    Q_UNUSED(disableComponentComplete)
+    [[maybe_unused]] QmlPrivateGate::ComponentCompleteDisabler disableComponentComplete;
 
     QQmlComponent *component = new QQmlComponent(context->engine());
 
@@ -794,12 +793,11 @@ static inline QString fixComponentPathForIncompatibleQt(const QString &component
     return result;
 }
 
-QObject *ObjectNodeInstance::createComponent(const QString &componentPath, QQmlContext *context)
+QObject *ObjectNodeInstance::createComponent([[maybe_unused]] const QString &componentPath,
+                                             QQmlContext *context)
 {
     QmlPrivateGate::ComponentCompleteDisabler disableComponentComplete;
 
-    Q_UNUSED(disableComponentComplete)
-
     QQmlComponent component(context->engine(), fixComponentPathForIncompatibleQt(componentPath));
 
     QObject *object = nullptr;
@@ -831,8 +829,7 @@ QObject *ObjectNodeInstance::createCustomParserObject(const QString &nodeSource,
                                                       const QByteArray &importCode,
                                                       QQmlContext *context)
 {
-    QmlPrivateGate::ComponentCompleteDisabler disableComponentComplete;
-    Q_UNUSED(disableComponentComplete)
+    [[maybe_unused]] QmlPrivateGate::ComponentCompleteDisabler disableComponentComplete;
 
     QQmlComponent component(context->engine());
 
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/positionernodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/positionernodeinstance.cpp
index 1e58cdf55ba..a26759357d0 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/positionernodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/positionernodeinstance.cpp
@@ -69,9 +69,8 @@ PositionerNodeInstance::Pointer PositionerNodeInstance::create(QObject *object)
 
 void PositionerNodeInstance::refreshLayoutable()
 {
-    bool success = QMetaObject::invokeMethod(object(), "prePositioning");
+    [[maybe_unused]] bool success = QMetaObject::invokeMethod(object(), "prePositioning");
     Q_ASSERT(success);
-    Q_UNUSED(success)
 }
 
 PropertyNameList PositionerNodeInstance::ignoredProperties() const
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qmlstatenodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qmlstatenodeinstance.cpp
index c07cc4bfcff..8bd21d9e9f2 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qmlstatenodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qmlstatenodeinstance.cpp
@@ -54,11 +54,9 @@ QmlStateNodeInstance::Pointer
     return instance;
 }
 
-void setAllNodesDirtyRecursive(QQuickItem *parentItem)
+void setAllNodesDirtyRecursive([[maybe_unused]] QQuickItem *parentItem)
 {
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-    Q_UNUSED(parentItem)
-#else
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     if (!parentItem)
         return;
     const QList<QQuickItem *> children = parentItem->childItems();
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp
index 4448e2cee1f..12fba4d0487 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp
@@ -338,7 +338,8 @@ void Qt5InformationNodeInstanceServer::resolveImportSupport()
 #endif
 }
 
-void Qt5InformationNodeInstanceServer::updateRotationBlocks(const QVector<PropertyValueContainer> &valueChanges)
+void Qt5InformationNodeInstanceServer::updateRotationBlocks(
+    [[maybe_unused]] const QVector<PropertyValueContainer> &valueChanges)
 {
 #ifdef QUICK3D_MODULE
     auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
@@ -363,12 +364,11 @@ void Qt5InformationNodeInstanceServer::updateRotationBlocks(const QVector<Proper
         helper->addRotationBlocks(blockedNodes);
         helper->removeRotationBlocks(unblockedNodes);
     }
-#else
-    Q_UNUSED(valueChanges)
 #endif
 }
 
-void Qt5InformationNodeInstanceServer::removeRotationBlocks(const QVector<qint32> &instanceIds)
+void Qt5InformationNodeInstanceServer::removeRotationBlocks(
+    [[maybe_unused]] const QVector<qint32> &instanceIds)
 {
 #ifdef QUICK3D_MODULE
     auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
@@ -384,8 +384,6 @@ void Qt5InformationNodeInstanceServer::removeRotationBlocks(const QVector<qint32
         }
         helper->removeRotationBlocks(unblockedNodes);
     }
-#else
-    Q_UNUSED(instanceIds)
 #endif
 }
 
@@ -770,7 +768,7 @@ void Qt5InformationNodeInstanceServer::handleView3DSizeChange()
         updateView3DRect(view3D);
 }
 
-void Qt5InformationNodeInstanceServer::handleView3DDestroyed(QObject *obj)
+void Qt5InformationNodeInstanceServer::handleView3DDestroyed([[maybe_unused]] QObject *obj)
 {
 #ifdef QUICK3D_MODULE
     auto view = qobject_cast<QQuick3DViewport *>(obj);
@@ -778,12 +776,10 @@ void Qt5InformationNodeInstanceServer::handleView3DDestroyed(QObject *obj)
     removeNode3D(view->scene());
     if (view && view == m_active3DView)
         m_active3DView = nullptr;
-#else
-    Q_UNUSED(obj)
 #endif
 }
 
-void Qt5InformationNodeInstanceServer::handleNode3DDestroyed(QObject *obj)
+void Qt5InformationNodeInstanceServer::handleNode3DDestroyed([[maybe_unused]] QObject *obj)
 {
 #ifdef QUICK3D_MODULE
     if (qobject_cast<QQuick3DCamera *>(obj)) {
@@ -804,8 +800,6 @@ void Qt5InformationNodeInstanceServer::handleNode3DDestroyed(QObject *obj)
 #endif
     }
     removeNode3D(obj);
-#else
-    Q_UNUSED(obj)
 #endif
 }
 
@@ -820,7 +814,7 @@ void Qt5InformationNodeInstanceServer::updateView3DRect(QObject *view3D)
     viewPortProperty.write(viewPortrect);
 }
 
-void Qt5InformationNodeInstanceServer::updateActiveSceneToEditView3D(bool timerCall)
+void Qt5InformationNodeInstanceServer::updateActiveSceneToEditView3D([[maybe_unused]] bool timerCall)
 {
 #ifdef QUICK3D_MODULE
     if (!m_editView3DSetupDone)
@@ -869,8 +863,6 @@ void Qt5InformationNodeInstanceServer::updateActiveSceneToEditView3D(bool timerC
     auto helper = qobject_cast<QmlDesigner::Internal::GeneralHelper *>(m_3dHelper);
     if (helper)
         helper->storeToolState(helper->globalStateId(), helper->lastSceneIdKey(), QVariant(sceneId), 0);
-#else
-    Q_UNUSED(timerCall)
 #endif
 }
 
@@ -1115,7 +1107,8 @@ void Qt5InformationNodeInstanceServer::doRenderModelNodeImageView()
 #endif
 }
 
-void Qt5InformationNodeInstanceServer::doRenderModelNode3DImageView(const RequestModelNodePreviewImageCommand &cmd)
+void Qt5InformationNodeInstanceServer::doRenderModelNode3DImageView(
+    [[maybe_unused]] const RequestModelNodePreviewImageCommand &cmd)
 {
 #ifdef QUICK3D_MODULE
     if (m_modelNode3DImageViewData.rootItem) {
@@ -1217,8 +1210,6 @@ void Qt5InformationNodeInstanceServer::doRenderModelNode3DImageView(const Reques
                     {PuppetToCreatorCommand::RenderModelNodePreviewImage,
                      QVariant::fromValue(imgContainer)});
     }
-#else
-    Q_UNUSED(cmd)
 #endif
 }
 
@@ -1644,7 +1635,8 @@ void Qt5InformationNodeInstanceServer::add3DScenes(const QList<ServerNodeInstanc
     }
 }
 
-QObject *Qt5InformationNodeInstanceServer::findView3DForInstance(const ServerNodeInstance &instance) const
+QObject *Qt5InformationNodeInstanceServer::findView3DForInstance(
+    [[maybe_unused]] const ServerNodeInstance &instance) const
 {
 #ifdef QUICK3D_MODULE
     if (!instance.isValid())
@@ -1669,13 +1661,12 @@ QObject *Qt5InformationNodeInstanceServer::findView3DForInstance(const ServerNod
         if (view && sceneRoot == view->importScene())
             return view3D;
     }
-#else
-    Q_UNUSED(instance)
 #endif
     return {};
 }
 
-QObject *Qt5InformationNodeInstanceServer::findView3DForSceneRoot(QObject *sceneRoot) const
+QObject *Qt5InformationNodeInstanceServer::findView3DForSceneRoot(
+    [[maybe_unused]] QObject *sceneRoot) const
 {
 #ifdef QUICK3D_MODULE
     if (!sceneRoot)
@@ -1691,13 +1682,12 @@ QObject *Qt5InformationNodeInstanceServer::findView3DForSceneRoot(QObject *scene
                 return view3D;
         }
     }
-#else
-    Q_UNUSED(sceneRoot)
 #endif
     return {};
 }
 
-QObject *Qt5InformationNodeInstanceServer::find3DSceneRoot(const ServerNodeInstance &instance) const
+QObject *Qt5InformationNodeInstanceServer::find3DSceneRoot(
+    [[maybe_unused]] const ServerNodeInstance &instance) const
 {
 #ifdef QUICK3D_MODULE
     // The root of a 3D scene is any QQuick3DNode that doesn't have QQuick3DNode as parent.
@@ -1760,13 +1750,11 @@ QObject *Qt5InformationNodeInstanceServer::find3DSceneRoot(const ServerNodeInsta
             }
         }
     }
-#else
-    Q_UNUSED(instance)
 #endif
     return nullptr;
 }
 
-QObject *Qt5InformationNodeInstanceServer::find3DSceneRoot(QObject *obj) const
+QObject *Qt5InformationNodeInstanceServer::find3DSceneRoot([[maybe_unused]] QObject *obj) const
 {
 #ifdef QUICK3D_MODULE
     if (hasInstanceForObject(obj))
@@ -1778,15 +1766,14 @@ QObject *Qt5InformationNodeInstanceServer::find3DSceneRoot(QObject *obj) const
         if (view && view->scene() == obj)
             return obj;
     }
-#else
-    Q_UNUSED(obj)
 #endif
     // Some other non-instance object, assume it's not part of any scene
     return nullptr;
 }
 
-void Qt5InformationNodeInstanceServer::setup3DEditView(const QList<ServerNodeInstance> &instanceList,
-                                                       const CreateSceneCommand &command)
+void Qt5InformationNodeInstanceServer::setup3DEditView(
+    [[maybe_unused]] const QList<ServerNodeInstance> &instanceList,
+    [[maybe_unused]] const CreateSceneCommand &command)
 {
 #ifdef QUICK3D_MODULE
     if (!m_editView3DData.rootItem)
@@ -1887,9 +1874,6 @@ void Qt5InformationNodeInstanceServer::setup3DEditView(const QList<ServerNodeIns
 
     // Queue two renders to make sure icon gizmos update properly
     render3DEditView(2);
-#else
-    Q_UNUSED(instanceList)
-    Q_UNUSED(command)
 #endif
 }
 
@@ -2423,8 +2407,10 @@ void Qt5InformationNodeInstanceServer::removeProperties(const RemovePropertiesCo
     render3DEditView();
 }
 
-void Qt5InformationNodeInstanceServer::handleInstanceLocked(const ServerNodeInstance &instance,
-                                                            bool enable, bool checkAncestors)
+void Qt5InformationNodeInstanceServer::handleInstanceLocked(
+    [[maybe_unused]] const ServerNodeInstance &instance,
+    [[maybe_unused]] bool enable,
+    [[maybe_unused]] bool checkAncestors)
 {
 #ifdef QUICK3D_MODULE
     if (!ViewConfig::isQuick3DMode())
@@ -2458,15 +2444,13 @@ void Qt5InformationNodeInstanceServer::handleInstanceLocked(const ServerNodeInst
             }
         }
     }
-#else
-    Q_UNUSED(instance)
-    Q_UNUSED(enable)
-    Q_UNUSED(checkAncestors)
 #endif
 }
 
-void Qt5InformationNodeInstanceServer::handleInstanceHidden(const ServerNodeInstance &instance,
-                                                            bool enable, bool checkAncestors)
+void Qt5InformationNodeInstanceServer::handleInstanceHidden(
+    [[maybe_unused]] const ServerNodeInstance &instance,
+    [[maybe_unused]] bool enable,
+    [[maybe_unused]] bool checkAncestors)
 {
 #ifdef QUICK3D_MODULE
     if (!ViewConfig::isQuick3DMode())
@@ -2566,14 +2550,11 @@ void Qt5InformationNodeInstanceServer::handleInstanceHidden(const ServerNodeInst
             }
         }
     }
-#else
-    Q_UNUSED(instance)
-    Q_UNUSED(enable)
-    Q_UNUSED(checkAncestors)
 #endif
 }
 
-void Qt5InformationNodeInstanceServer::handlePickTarget(const ServerNodeInstance &instance)
+void Qt5InformationNodeInstanceServer::handlePickTarget(
+    [[maybe_unused]] const ServerNodeInstance &instance)
 {
 #if defined(QUICK3D_MODULE) && (QT_VERSION >= QT_VERSION_CHECK(6, 2, 1))
     // Picking is dependent on hidden status prior to global picking support (<6.2.1), so it is
@@ -2656,8 +2637,6 @@ void Qt5InformationNodeInstanceServer::handlePickTarget(const ServerNodeInstance
                 checkChildren(childNode);
         }
     }
-#else
-    Q_UNUSED(instance)
 #endif
 }
 
@@ -2675,7 +2654,8 @@ void Qt5InformationNodeInstanceServer::handleDynamicAddObject()
 }
 
 // update 3D view size when it changes in creator side
-void Qt5InformationNodeInstanceServer::update3DViewState(const Update3dViewStateCommand &command)
+void Qt5InformationNodeInstanceServer::update3DViewState(
+    [[maybe_unused]] const Update3dViewStateCommand &command)
 {
 #ifdef QUICK3D_MODULE
     if (command.type() == Update3dViewStateCommand::SizeChange) {
@@ -2694,8 +2674,6 @@ void Qt5InformationNodeInstanceServer::update3DViewState(const Update3dViewState
             render3DEditView(2);
         }
     }
-#else
-    Q_UNUSED(command)
 #endif
 }
 
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
index 3ccd6c60dce..18ba701ecc5 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
@@ -208,7 +208,7 @@ bool Qt5NodeInstanceServer::rootIsRenderable3DObject() const
             || rootNodeInstance().isSubclassOf("QQuick3DMaterial");
 }
 
-bool Qt5NodeInstanceServer::initRhi(RenderViewData &viewData)
+bool Qt5NodeInstanceServer::initRhi([[maybe_unused]] RenderViewData &viewData)
 {
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     if (!viewData.renderControl) {
@@ -286,13 +286,11 @@ bool Qt5NodeInstanceServer::initRhi(RenderViewData &viewData)
     viewData.window->setRenderTarget(QQuickRenderTarget::fromRhiRenderTarget(viewData.texTarget));
 
     viewData.bufferDirty = false;
-#else
-    Q_UNUSED(viewData)
 #endif
     return true;
 }
 
-QImage Qt5NodeInstanceServer::grabRenderControl(RenderViewData &viewData)
+QImage Qt5NodeInstanceServer::grabRenderControl([[maybe_unused]] RenderViewData &viewData)
 {
     NANOTRACE_SCOPE("Update", "GrabRenderControl");
 
@@ -325,8 +323,6 @@ QImage Qt5NodeInstanceServer::grabRenderControl(RenderViewData &viewData)
     rd->cb->resourceUpdate(readbackBatch);
 
     viewData.renderControl->endFrame();
-#else
-    Q_UNUSED(viewData)
 #endif
     return renderImage;
 }
@@ -395,7 +391,7 @@ static bool isLayerEnabled(QQuickItemPrivate *item)
 }
 #endif // QT_VERSION check
 
-QImage Qt5NodeInstanceServer::grabItem(QQuickItem *item)
+QImage Qt5NodeInstanceServer::grabItem([[maybe_unused]] QQuickItem *item)
 {
     QImage renderImage;
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -522,8 +518,6 @@ QImage Qt5NodeInstanceServer::grabItem(QQuickItem *item)
 
     if (!isLayerEnabled(pItem))
         pItem->derefFromEffectItem(false);
-#else
-    Q_UNUSED(item)
 #endif
     return renderImage;
 }
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3dnodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3dnodeinstance.cpp
index eec52e99927..6c5cb37584a 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3dnodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3dnodeinstance.cpp
@@ -50,8 +50,9 @@ Quick3DNodeInstance::~Quick3DNodeInstance()
 {
 }
 
-void Quick3DNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNodeInstance,
-                                     InstanceContainer::NodeFlags flags)
+void Quick3DNodeInstance::initialize(
+    [[maybe_unused]] const ObjectNodeInstance::Pointer &objectNodeInstance,
+    [[maybe_unused]] InstanceContainer::NodeFlags flags)
 {
 #ifdef QUICK3D_MODULE
     QObject *obj = object();
@@ -82,9 +83,6 @@ void Quick3DNodeInstance::initialize(const ObjectNodeInstance::Pointer &objectNo
     m_dummyRootViewCreateFunction = "createViewForNode";
 
     Quick3DRenderableNodeInstance::initialize(objectNodeInstance, flags);
-#else
-    Q_UNUSED(objectNodeInstance)
-    Q_UNUSED(flags)
 #endif // QUICK3D_MODULE
 }
 
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3drenderablenodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3drenderablenodeinstance.cpp
index cae64ad04c1..3e799ed69e5 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3drenderablenodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quick3drenderablenodeinstance.cpp
@@ -110,7 +110,8 @@ QImage Quick3DRenderableNodeInstance::renderImage() const
     return {};
 }
 
-QImage Quick3DRenderableNodeInstance::renderPreviewImage(const QSize &previewImageSize) const
+QImage Quick3DRenderableNodeInstance::renderPreviewImage(
+    [[maybe_unused]] const QSize &previewImageSize) const
 {
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     if (!isRootNodeInstance() || !m_dummyRootView)
@@ -140,8 +141,6 @@ QImage Quick3DRenderableNodeInstance::renderPreviewImage(const QSize &previewIma
             return transparentImage;
         }
     }
-#else
-    Q_UNUSED(previewImageSize)
 #endif
     return {};
 }
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
index 5b1f3171adb..60d9060325a 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
@@ -172,7 +172,7 @@ void QuickItemNodeInstance::enableUnifiedRenderPath(bool unifiedRenderPath)
     s_unifiedRenderPath = unifiedRenderPath;
 }
 
-bool QuickItemNodeInstance::checkIfRefFromEffect(qint32 id)
+bool QuickItemNodeInstance::checkIfRefFromEffect([[maybe_unused]] qint32 id)
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     if (s_unifiedRenderPath)
@@ -180,7 +180,6 @@ bool QuickItemNodeInstance::checkIfRefFromEffect(qint32 id)
 
     return (s_createEffectItem || id == 0);
 #else
-    Q_UNUSED(id)
     return false;
 #endif
 }
@@ -273,14 +272,12 @@ QStringList QuickItemNodeInstance::allStates() const
     return list;
 }
 
-void QuickItemNodeInstance::updateDirtyNode(QQuickItem *item)
+void QuickItemNodeInstance::updateDirtyNode([[maybe_unused]] QQuickItem *item)
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     if (s_unifiedRenderPath)
         return;
     DesignerSupport::updateDirtyNode(item);
-#else
-    Q_UNUSED(item)
 #endif
 }
 
@@ -639,11 +636,9 @@ void QuickItemNodeInstance::updateAllDirtyNodesRecursive(QQuickItem *parentItem)
     updateDirtyNode(parentItem);
 }
 
-void QuickItemNodeInstance::setAllNodesDirtyRecursive(QQuickItem *parentItem) const
+void QuickItemNodeInstance::setAllNodesDirtyRecursive([[maybe_unused]] QQuickItem *parentItem) const
 {
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-    Q_UNUSED(parentItem)
-#else
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     const QList<QQuickItem *> children = parentItem->childItems();
     for (QQuickItem *childItem : children)
         setAllNodesDirtyRecursive(childItem);
@@ -656,10 +651,9 @@ static inline bool isRectangleSane(const QRectF &rect)
     return rect.isValid() && (rect.width() < 10000) && (rect.height() < 10000);
 }
 
-static bool isEffectItem(QQuickItem *item)
+static bool isEffectItem([[maybe_unused]] QQuickItem *item)
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-    Q_UNUSED(item)
     return false;
 #else
     if (qobject_cast<QQuickShaderEffectSource *>(item))
diff --git a/share/qtcreator/qml/qmlpuppet/qmlprivategate/designercustomobjectdata.cpp b/share/qtcreator/qml/qmlpuppet/qmlprivategate/designercustomobjectdata.cpp
index 8b03f634f36..8562901f6ff 100644
--- a/share/qtcreator/qml/qmlpuppet/qmlprivategate/designercustomobjectdata.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qmlprivategate/designercustomobjectdata.cpp
@@ -275,13 +275,10 @@ void DesignerCustomObjectData::setPropertyBinding(QQmlContext *context, const Pr
     }
 }
 
-void DesignerCustomObjectData::keepBindingFromGettingDeleted(QQmlContext *context, const PropertyName &propertyName)
+void DesignerCustomObjectData::keepBindingFromGettingDeleted(
+    [[maybe_unused]] QQmlContext *context, [[maybe_unused]] const PropertyName &propertyName)
 {
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
-    //Refcounting is taking care
-    Q_UNUSED(context)
-    Q_UNUSED(propertyName)
-#else
+#if (QT_VERSION < QT_VERSION_CHECK(5, 6, 0))
     QQmlProperty property(object(), QString::fromUtf8(propertyName), context);
     QQmlPropertyPrivate::setBinding(property, 0, QQmlPropertyPrivate::BypassInterceptor
                                     | QQmlPropertyPrivate::DontRemoveBinding);
diff --git a/share/qtcreator/qml/qmlpuppet/qmlprivategate/metaobject.cpp b/share/qtcreator/qml/qmlpuppet/qmlprivategate/metaobject.cpp
index 86049c9654e..420234a6459 100644
--- a/share/qtcreator/qml/qmlpuppet/qmlprivategate/metaobject.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qmlprivategate/metaobject.cpp
@@ -179,11 +179,10 @@ MetaObject::~MetaObject()
 
 void MetaObject::createNewDynamicProperty(const QString &name)
 {
-    int id = m_type->createProperty(name.toUtf8());
+    [[maybe_unused]] int id = m_type->createProperty(name.toUtf8());
     copyTypeMetaObject();
     setValue(id, QVariant());
     Q_ASSERT(id >= 0);
-    Q_UNUSED(id)
 
     //Updating cache
     QQmlPropertyCache *oldParent = m_cache->parent();
diff --git a/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate.cpp b/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate.cpp
index e7f6d7137d8..af83af5dd37 100644
--- a/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate.cpp
@@ -336,9 +336,7 @@ void registerNodeInstanceMetaObject(QObject *object, QQmlEngine *engine)
 
 QObject *createPrimitive(const QString &typeName, int majorNumber, int minorNumber, QQmlContext *context)
 {
-    ComponentCompleteDisabler disableComponentComplete;
-
-    Q_UNUSED(disableComponentComplete)
+    [[maybe_unused]] ComponentCompleteDisabler disableComponentComplete;
 
     QObject *object = 0;
     QQmlType *type = getQmlType(typeName, majorNumber, minorNumber);
@@ -431,8 +429,7 @@ QVariant fixResourcePaths(const QVariant &value)
 
 QObject *createComponent(const QUrl &componentUrl, QQmlContext *context)
 {
-    ComponentCompleteDisabler disableComponentComplete;
-    Q_UNUSED(disableComponentComplete)
+    [[maybe_unused]] ComponentCompleteDisabler disableComponentComplete;
 
     QQmlComponent component(context->engine(), componentUrl);
 
diff --git a/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate_56.cpp b/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate_56.cpp
index c9f2820b748..ba8c365ef86 100644
--- a/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate_56.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qmlprivategate/qmlprivategate_56.cpp
@@ -562,12 +562,11 @@ bool isSubclassOf(QObject *object, const QByteArray &superTypeName)
     return QQuickDesignerSupportMetaInfo::isSubclassOf(object, superTypeName);
 }
 
-void getPropertyCache(QObject *object, QQmlEngine *engine)
+void getPropertyCache(QObject *object, [[maybe_unused]] QQmlEngine *engine)
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
     QQuickDesignerSupportProperties::getPropertyCache(object, engine);
 #else
-    Q_UNUSED(engine);
     QQuickDesignerSupportProperties::getPropertyCache(object);
 #endif
 }