diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp
index dd08ccbe908..e191d6468e1 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp
@@ -727,7 +727,7 @@ static bool isTypeAvailable(const MockupTypeContainer &mockupType, QQmlEngine *e
 void NodeInstanceServer::setupMockupTypes(const QVector<MockupTypeContainer> &container)
 {
     for (const MockupTypeContainer &mockupType :  container) {
-        if (!isTypeAvailable(mockupType, engine()))
+        if (!isTypeAvailable(mockupType, engine())) {
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
             if (mockupType.majorVersion() == -1 && mockupType.minorVersion() == -1) {
                 QQuickDesignerSupportMetaInfo::registerMockupObject(mockupType.importUri().toUtf8(),
@@ -748,7 +748,7 @@ void NodeInstanceServer::setupMockupTypes(const QVector<MockupTypeContainer> &co
                         mockupType.minorVersion(),
                         mockupType.typeName());
 #endif
-
+        }
     }
 }
 
diff --git a/src/plugins/qmldesigner/designercore/model/qmlitemnode.cpp b/src/plugins/qmldesigner/designercore/model/qmlitemnode.cpp
index 4c329352b92..7dc831caf19 100644
--- a/src/plugins/qmldesigner/designercore/model/qmlitemnode.cpp
+++ b/src/plugins/qmldesigner/designercore/model/qmlitemnode.cpp
@@ -668,7 +668,7 @@ bool QmlFlowItemNode::isValidQmlFlowItemNode(const ModelNode &modelNode)
 QList<QmlFlowActionAreaNode> QmlFlowItemNode::flowActionAreas() const
 {
     QList<QmlFlowActionAreaNode> list;
-    for (const ModelNode &node : allDirectSubModelNodes())
+    for (const ModelNode node : allDirectSubModelNodes())
         if (QmlFlowActionAreaNode::isValidQmlFlowActionAreaNode(node))
             list.append(node);
     return list;
@@ -751,7 +751,7 @@ bool QmlFlowViewNode::isValidQmlFlowViewNode(const ModelNode &modelNode)
 QList<QmlFlowItemNode> QmlFlowViewNode::flowItems() const
 {
     QList<QmlFlowItemNode> list;
-    for (const ModelNode &node : allDirectSubModelNodes())
+    for (const ModelNode node : allDirectSubModelNodes())
         if (QmlFlowItemNode::isValidQmlFlowItemNode(node)
                 || QmlVisualNode::isFlowDecision(node)
                 || QmlVisualNode::isFlowWildcard(node))
diff --git a/src/plugins/qmljseditor/qmljscomponentnamedialog.cpp b/src/plugins/qmljseditor/qmljscomponentnamedialog.cpp
index 55e374676ea..d70f7841c9e 100644
--- a/src/plugins/qmljseditor/qmljscomponentnamedialog.cpp
+++ b/src/plugins/qmljseditor/qmljscomponentnamedialog.cpp
@@ -168,7 +168,7 @@ QString ComponentNameDialog::isValid() const
     if (!ui->pathEdit->isValid())
         return tr("Invalid path.");
 
-    if (QDir(ui->pathEdit->path()).exists(compName + u".qml"))
+    if (QDir(ui->pathEdit->path()).exists(compName + ".qml"))
         return tr("Component already exists.");
 
     return QString();