Now it depends against new version. Old code can be removed

Modules/energy/kcm.cpp

@@ -48,13 +48,8 @@ using namespace KQuickAddons;
 
 KCMEnergyInfo::KCMEnergyInfo(QObject *parent, const QVariantList &args) : ConfigModule(parent, args)
 {
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-    qmlRegisterType<BatteryModel>();
-    qmlRegisterType<WakeUpModel>();
-#else
     qmlRegisterAnonymousType<BatteryModel>("org.kde.kinfocenter.energy.private", 1);
     qmlRegisterAnonymousType<WakeUpModel>("org.kde.kinfocenter.energy.private", 1);
-#endif
 
     qmlRegisterType<StatisticsProvider>("org.kde.kinfocenter.energy.private", 1, 0, "HistoryModel");
     qmlRegisterUncreatableType<BatteryModel>("org.kde.kinfocenter.energy.private", 1, 0, "BatteryModel",