diff --git a/src/blackgui/blackguiexport.h b/src/blackgui/blackguiexport.h
index e9cb4e023..900601359 100644
--- a/src/blackgui/blackguiexport.h
+++ b/src/blackgui/blackguiexport.h
@@ -17,7 +17,6 @@
  * \def BLACKGUI_EXPORT
  * Export a class or function from the library
  */
-
 #ifndef WITH_STATIC
 #  if defined(BUILD_BLACKGUI_LIB)
 #    define BLACKGUI_EXPORT Q_DECL_EXPORT
@@ -32,20 +31,10 @@
  * \def BLACKGUI_EXPORT_DECLARE_TEMPLATE
  * BLACKGUI Export explicit template declaration
  */
-
-/*!
- * \def BLACKGUI_EXPORT_DEFINE_TEMPLATE
- * BLACKGUI Export explicit template definition
- */
 #if defined(Q_OS_WIN) && defined(Q_CC_GNU)
 #  define BLACKGUI_EXPORT_DECLARE_TEMPLATE BLACKGUI_EXPORT
-#  define BLACKGUI_EXPORT_DEFINE_TEMPLATE
-#elif defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-#  define BLACKGUI_EXPORT_DECLARE_TEMPLATE
-#  define BLACKGUI_EXPORT_DEFINE_TEMPLATE BLACKGUI_EXPORT
 #else
 #  define BLACKGUI_EXPORT_DECLARE_TEMPLATE
-#  define BLACKGUI_EXPORT_DEFINE_TEMPLATE
 #endif
 
 #endif // guard
diff --git a/src/blackmisc/audio/registermetadataaudio.cpp b/src/blackmisc/audio/registermetadataaudio.cpp
index d9f47973c..cb2309da1 100644
--- a/src/blackmisc/audio/registermetadataaudio.cpp
+++ b/src/blackmisc/audio/registermetadataaudio.cpp
@@ -32,12 +32,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Audio::CAudioDeviceInfoList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Audio::CAudioDeviceInfo>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/aviation/modulator.cpp b/src/blackmisc/aviation/modulator.cpp
index fde0299f1..406ba5582 100644
--- a/src/blackmisc/aviation/modulator.cpp
+++ b/src/blackmisc/aviation/modulator.cpp
@@ -261,9 +261,9 @@ namespace BlackMisc::Aviation
     // see here for the reason of the forward instantiations
     // https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
     //! \cond PRIVATE
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CModulator<CComSystem>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CModulator<CNavSystem>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CModulator<CAdfSystem>;
+    template class CModulator<CComSystem>;
+    template class CModulator<CNavSystem>;
+    template class CModulator<CAdfSystem>;
     //! \endcond
 
 } // namespace
diff --git a/src/blackmisc/aviation/registermetadataaviation.cpp b/src/blackmisc/aviation/registermetadataaviation.cpp
index 82faefc3b..6a10fc3b2 100644
--- a/src/blackmisc/aviation/registermetadataaviation.cpp
+++ b/src/blackmisc/aviation/registermetadataaviation.cpp
@@ -55,30 +55,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Aviation::CAircraftEngineList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAircraftIcaoCodeList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAircraftCategoryList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAircraftPartsList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAircraftSituationList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAirlineIcaoCodeList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAirportList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CAtcStationList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CFlightPlanList>(int);
-        template void maybeRegisterMetaListConvert<Aviation::CLiveryList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAircraftEngine>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAircraftIcaoCode>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAircraftCategory>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAircraftParts>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAircraftSituation>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAirlineIcaoCode>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAirport>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CAtcStation>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CFlightPlan>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Aviation::CLivery>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/blackmiscexport.h b/src/blackmisc/blackmiscexport.h
index e19b3bb57..65b89a617 100644
--- a/src/blackmisc/blackmiscexport.h
+++ b/src/blackmisc/blackmiscexport.h
@@ -31,20 +31,10 @@
  * \def BLACKMISC_EXPORT_DECLARE_TEMPLATE
  * Export explicit template declaration
  */
-
-/*!
- * \def BLACKMISC_EXPORT_DEFINE_TEMPLATE
- * Export explicit template definition
- */
 #if defined(Q_OS_WIN) && defined(Q_CC_GNU)
 #  define BLACKMISC_EXPORT_DECLARE_TEMPLATE BLACKMISC_EXPORT
-#  define BLACKMISC_EXPORT_DEFINE_TEMPLATE
-#elif defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-#  define BLACKMISC_EXPORT_DECLARE_TEMPLATE
-#  define BLACKMISC_EXPORT_DEFINE_TEMPLATE BLACKMISC_EXPORT
 #else
 #  define BLACKMISC_EXPORT_DECLARE_TEMPLATE
-#  define BLACKMISC_EXPORT_DEFINE_TEMPLATE
 #endif
 
 #endif // guard
diff --git a/src/blackmisc/db/registermetadatadb.cpp b/src/blackmisc/db/registermetadatadb.cpp
index bac97a494..29c8ed8b7 100644
--- a/src/blackmisc/db/registermetadatadb.cpp
+++ b/src/blackmisc/db/registermetadatadb.cpp
@@ -27,16 +27,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Db::CDbInfoList>(int);
-        template void maybeRegisterMetaListConvert<Db::CArtifactList>(int);
-        template void maybeRegisterMetaListConvert<Db::CDistributionList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Db::CDbInfo>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Db::CArtifact>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Db::CDistribution>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/geo/earthangle.cpp b/src/blackmisc/geo/earthangle.cpp
index df4ddc7df..82e3091a9 100644
--- a/src/blackmisc/geo/earthangle.cpp
+++ b/src/blackmisc/geo/earthangle.cpp
@@ -180,8 +180,8 @@ namespace BlackMisc::Geo
     // see here for the reason of thess forward instantiations
     // https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
     //! \cond PRIVATE
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CEarthAngle<CLatitude>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CEarthAngle<CLongitude>;
+    template class CEarthAngle<CLatitude>;
+    template class CEarthAngle<CLongitude>;
     //! \endcond
 
 } // namespace
diff --git a/src/blackmisc/geo/registermetadatageo.cpp b/src/blackmisc/geo/registermetadatageo.cpp
index f9335246d..47d0569e7 100644
--- a/src/blackmisc/geo/registermetadatageo.cpp
+++ b/src/blackmisc/geo/registermetadatageo.cpp
@@ -24,12 +24,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Geo::CCoordinateGeodeticList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Geo::CCoordinateGeodetic>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/input/registermetadatainput.cpp b/src/blackmisc/input/registermetadatainput.cpp
index 93f24cd16..76ac52bb9 100644
--- a/src/blackmisc/input/registermetadatainput.cpp
+++ b/src/blackmisc/input/registermetadatainput.cpp
@@ -30,16 +30,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Input::CActionHotkeyList>(int);
-        template void maybeRegisterMetaListConvert<Input::CJoystickButtonList>(int);
-        template void maybeRegisterMetaListConvert<Input::CKeyboardKeyList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Input::CActionHotkey>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Input::CJoystickButton>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Input::CKeyboardKey>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/mixin/mixinmetatype.h b/src/blackmisc/mixin/mixinmetatype.h
index 02a36f481..6f9c80fec 100644
--- a/src/blackmisc/mixin/mixinmetatype.h
+++ b/src/blackmisc/mixin/mixinmetatype.h
@@ -13,7 +13,7 @@
 
 #include "blackmisc/inheritancetraits.h"
 #include "blackmisc/propertyindexref.h"
-#include "blackmisc/variantprivate.h"
+#include "blackmisc/variant.h"
 #include <QMetaType>
 #include <QtGlobal>
 #include <QString>
@@ -79,23 +79,6 @@ namespace BlackMisc
         // *INDENT-ON*
 
     } // Mixin
-
-    /*!
-     * This registers the value type T with the BlackMisc meta type system,
-     * making it available for use with the extended feature set of BlackMisc::CVariant.
-     *
-     * The implementation (ab)uses the QMetaType converter function registration mechanism
-     * to store a type-erased representation of the set of operations supported by T.
-     */
-    template <typename T>
-    void registerMetaValueType()
-    {
-        if (QMetaType::hasRegisteredConverterFunction<T, Private::IValueObjectMetaInfo *>()) { return; }
-        auto converter = [](const T &) { static Private::CValueObjectMetaInfo<T> info; return &info; };
-        bool ok = QMetaType::registerConverter<T, Private::IValueObjectMetaInfo *>(converter);
-        Q_ASSERT(ok);
-        Q_UNUSED(ok);
-    }
 } // namespace
 
 #endif
diff --git a/src/blackmisc/network/registermetadatanetwork.cpp b/src/blackmisc/network/registermetadatanetwork.cpp
index 4cedcd293..0edb04eaf 100644
--- a/src/blackmisc/network/registermetadatanetwork.cpp
+++ b/src/blackmisc/network/registermetadatanetwork.cpp
@@ -52,31 +52,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Network::CClientList>(int);
-        template void maybeRegisterMetaListConvert<Network::CEcosystemList>(int);
-        template void maybeRegisterMetaListConvert<Network::CRawFsdMessageList>(int);
-        template void maybeRegisterMetaListConvert<Network::CRemoteFileList>(int);
-        template void maybeRegisterMetaListConvert<Network::CRoleList>(int);
-        template void maybeRegisterMetaListConvert<Network::CServerList>(int);
-        template void maybeRegisterMetaListConvert<Network::CTextMessageList>(int);
-        template void maybeRegisterMetaListConvert<Network::CUrlList>(int);
-        template void maybeRegisterMetaListConvert<Network::CFailoverUrlList>(int);
-        template void maybeRegisterMetaListConvert<Network::CUrlLogList>(int);
-        template void maybeRegisterMetaListConvert<Network::CUserList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CClient>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CEcosystem>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CRawFsdMessage>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CRemoteFile>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CRole>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CServer>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CTextMessage>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CUrl>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CUrlLog>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Network::CUser>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/pq/physicalquantity.cpp b/src/blackmisc/pq/physicalquantity.cpp
index 8604ba06d..3dd079165 100644
--- a/src/blackmisc/pq/physicalquantity.cpp
+++ b/src/blackmisc/pq/physicalquantity.cpp
@@ -577,15 +577,15 @@ namespace BlackMisc::PhysicalQuantities
     // see here for the reason of thess forward instantiations
     // https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
     //! \cond PRIVATE
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CLengthUnit, CLength>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CPressureUnit, CPressure>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CFrequencyUnit, CFrequency>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CMassUnit, CMass>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CTemperatureUnit, CTemperature>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CSpeedUnit, CSpeed>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CAngleUnit, CAngle>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CTimeUnit, CTime>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CAccelerationUnit, CAcceleration>;
+    template class CPhysicalQuantity<CLengthUnit, CLength>;
+    template class CPhysicalQuantity<CPressureUnit, CPressure>;
+    template class CPhysicalQuantity<CFrequencyUnit, CFrequency>;
+    template class CPhysicalQuantity<CMassUnit, CMass>;
+    template class CPhysicalQuantity<CTemperatureUnit, CTemperature>;
+    template class CPhysicalQuantity<CSpeedUnit, CSpeed>;
+    template class CPhysicalQuantity<CAngleUnit, CAngle>;
+    template class CPhysicalQuantity<CTimeUnit, CTime>;
+    template class CPhysicalQuantity<CAccelerationUnit, CAcceleration>;
     //! \endcond
 
 } // namespace
diff --git a/src/blackmisc/registermetadata.cpp b/src/blackmisc/registermetadata.cpp
index d30fc47fb..1be4175da 100644
--- a/src/blackmisc/registermetadata.cpp
+++ b/src/blackmisc/registermetadata.cpp
@@ -108,26 +108,4 @@ namespace BlackMisc
         qRegisterMetaTypeStreamOperators<CSequence<double>>();
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<CApplicationInfoList>(int);
-        template void maybeRegisterMetaListConvert<CCountryList>(int);
-        template void maybeRegisterMetaListConvert<CIconList>(int);
-        template void maybeRegisterMetaListConvert<CIdentifierList>(int);
-        template void maybeRegisterMetaListConvert<CLogCategoryList>(int);
-        template void maybeRegisterMetaListConvert<CNameVariantPairList>(int);
-        template void maybeRegisterMetaListConvert<CPropertyIndexList>(int);
-        template void maybeRegisterMetaListConvert<CStatusMessageList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CApplicationInfo>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CCountry>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CIcon>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CIdentifier>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CLogCategory>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CNameVariantPair>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CPropertyIndex>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<CStatusMessage>>(int);
-    }
-#endif
-
 } // ns
diff --git a/src/blackmisc/simulation/interpolator.cpp b/src/blackmisc/simulation/interpolator.cpp
index 792c5f5f4..c42a8f04f 100644
--- a/src/blackmisc/simulation/interpolator.cpp
+++ b/src/blackmisc/simulation/interpolator.cpp
@@ -887,7 +887,7 @@ namespace BlackMisc::Simulation
     // see here for the reason of thess forward instantiations
     // https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
     //! \cond PRIVATE
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CInterpolator<CInterpolatorLinear>;
-    template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CInterpolator<CInterpolatorSpline>;
+    template class CInterpolator<CInterpolatorLinear>;
+    template class CInterpolator<CInterpolatorSpline>;
     //! \endcond
 } // namespace
diff --git a/src/blackmisc/simulation/registermetadatasimulation.cpp b/src/blackmisc/simulation/registermetadatasimulation.cpp
index 52b832bd5..f2638d54a 100644
--- a/src/blackmisc/simulation/registermetadatasimulation.cpp
+++ b/src/blackmisc/simulation/registermetadatasimulation.cpp
@@ -85,26 +85,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Simulation::FsCommon::CAircraftCfgEntriesList>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CAircraftModelList>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CDistributorList>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CInterpolationSetupList>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CMatchingStatistics>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CSimulatedAircraftList>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CSimulatorInfoList>(int);
-        template void maybeRegisterMetaListConvert<Simulation::CSimulatorPluginInfoList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::FsCommon::CAircraftCfgEntries>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CAircraftModel>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CDistributor>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CInterpolationAndRenderingSetupPerCallsign>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CMatchingStatisticsEntry>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CSimulatedAircraft>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CSimulatorInfo>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Simulation::CSimulatorPluginInfo>>(int);
-    } // ns
-#endif
-
 } // ns
diff --git a/src/blackmisc/variant.cpp b/src/blackmisc/variant.cpp
index c33801109..50b06e4e8 100644
--- a/src/blackmisc/variant.cpp
+++ b/src/blackmisc/variant.cpp
@@ -522,6 +522,28 @@ namespace BlackMisc
         return CIcon(toIcon()).toPixmap();
     }
 
+    void CVariant::registerMetadata()
+    {
+        Private::MetaTypeHelper<CVariant>::maybeRegisterMetaType();
+    }
+
+    int CVariant::getMetaTypeId() const
+    {
+        return Private::MetaTypeHelper<CVariant>::maybeGetMetaTypeId();
+    }
+
+    QString CVariant::getClassName() const
+    {
+        return QMetaType::typeName(getMetaTypeId());
+    }
+
+    bool CVariant::isA(int metaTypeId) const
+    {
+        if (metaTypeId == QMetaType::UnknownType) { return false; }
+        if (metaTypeId == getMetaTypeId()) { return true; }
+        return false;
+    }
+
     bool CVariant::matches(const CVariant &value) const
     {
         if (! isValid()) { return false; }
diff --git a/src/blackmisc/variant.h b/src/blackmisc/variant.h
index 474cc2711..43e789ed2 100644
--- a/src/blackmisc/variant.h
+++ b/src/blackmisc/variant.h
@@ -20,7 +20,6 @@
 #include "blackmisc/mixin/mixinjson.h"
 #include "blackmisc/range.h"
 #include "blackmisc/mixin/mixinstring.h"
-#include "blackmisc/mixin/mixinmetatype.h"
 #include "blackmisc/variantprivate.h"
 #include "blackmisc/icons.h"
 
@@ -40,12 +39,28 @@ namespace BlackMisc
     class CIcon;
     class CPropertyIndex;
 
+    /*!
+     * This registers the value type T with the BlackMisc meta type system,
+     * making it available for use with the extended feature set of BlackMisc::CVariant.
+     *
+     * The implementation (ab)uses the QMetaType converter function registration mechanism
+     * to store a type-erased representation of the set of operations supported by T.
+     */
+    template <typename T>
+    void registerMetaValueType()
+    {
+        if (QMetaType::hasRegisteredConverterFunction<T, Private::IValueObjectMetaInfo *>()) { return; }
+        auto converter = [](const T &) { static Private::CValueObjectMetaInfo<T> info; return &info; };
+        bool ok = QMetaType::registerConverter<T, Private::IValueObjectMetaInfo *>(converter);
+        Q_ASSERT(ok);
+        Q_UNUSED(ok);
+    }
+
     /*!
      * Wrapper around QVariant which provides transparent access to CValueObject methods
      * of the contained object if it is registered with BlackMisc::registerMetaValueType.
      */
     class BLACKMISC_EXPORT CVariant :
-        public Mixin::MetaType<CVariant>,
         public Mixin::EqualsByCompare<CVariant>,
         public Mixin::LessThanByCompare<CVariant>,
         public Mixin::DBusOperators<CVariant>,
@@ -267,6 +282,18 @@ namespace BlackMisc
         //! \copydoc BlackMisc::Mixin::Icon::toIcon
         CIcons::IconIndex toIcon() const;
 
+        //! \copydoc BlackMisc::Mixin::MetaType::registerMetadata
+        static void registerMetadata();
+
+        //! \copydoc BlackMisc::Mixin::MetaType::getMetaTypeId
+        int getMetaTypeId() const;
+
+        //! \copydoc BlackMisc::Mixin::MetaType::getClassName
+        QString getClassName() const;
+
+        //! \copydoc BlackMisc::Mixin::MetaType::isA
+        bool isA(int metaTypeId) const;
+
         //! If this is an event subscription, return true if it matches the given event.
         bool matches(const CVariant &event) const;
 
@@ -303,21 +330,25 @@ Q_DECLARE_METATYPE(BlackMisc::CVariant)
 
 namespace BlackMisc::Private
 {
-    //! \private
-    template <typename T, typename>
-    void maybeRegisterMetaListConvert(int)
+    //! \cond PRIVATE
+    template <typename T>
+    void MetaTypeHelper<T>::maybeRegisterMetaList()
     {
-        if (QMetaType::hasRegisteredConverterFunction(qMetaTypeId<T>(), qMetaTypeId<QVector<CVariant>>())) { return; }
+        if constexpr (canConvertVariantList<T>(0))
+        {
+            if (QMetaType::hasRegisteredConverterFunction(qMetaTypeId<T>(), qMetaTypeId<QVector<CVariant>>())) { return; }
 
-        QMetaType::registerConverter<T, QVector<CVariant>>([](const T &list) -> QVector<CVariant>
-        {
-            return list.transform([](const typename T::value_type &v) { return CVariant::from(v); });
-        });
-        QMetaType::registerConverter<QVector<CVariant>, T>([](const QVector<CVariant> &list) -> T
-        {
-            return makeRange(list).transform([](const CVariant &v) { return v.to<typename T::value_type>(); });
-        });
+            QMetaType::registerConverter<T, QVector<CVariant>>([](const T &list) -> QVector<CVariant>
+            {
+                return list.transform([](const typename T::value_type &v) { return CVariant::from(v); });
+            });
+            QMetaType::registerConverter<QVector<CVariant>, T>([](const QVector<CVariant> &list) -> T
+            {
+                return makeRange(list).transform([](const CVariant &v) { return v.to<typename T::value_type>(); });
+            });
+        }
     }
+    //! \endcond
 } // namespace
 
 #endif
diff --git a/src/blackmisc/variantprivate.h b/src/blackmisc/variantprivate.h
index 9aa73ec27..9d52fb80c 100644
--- a/src/blackmisc/variantprivate.h
+++ b/src/blackmisc/variantprivate.h
@@ -13,6 +13,7 @@
 
 #include "blackmisc/blackmiscexport.h"
 #include "blackmisc/inheritancetraits.h"
+#include "blackmisc/propertyindexref.h"
 #include <QString>
 #include <QMetaType>
 #include <QDBusMetaType>
@@ -229,9 +230,9 @@ namespace BlackMisc
 
         //! \cond PRIVATE
         template <typename T, typename = std::enable_if_t<std::is_base_of_v<CSequence<typename T::value_type>, T> && ! std::is_same_v<typename T::value_type, CVariant>>>
-        void maybeRegisterMetaListConvert(int);
+        constexpr bool canConvertVariantList(int) { return true; }
         template <typename T>
-        void maybeRegisterMetaListConvert(...) {}
+        constexpr bool canConvertVariantList(...) { return false; }
 
         template <typename T>
         struct MetaTypeHelper
@@ -249,9 +250,10 @@ namespace BlackMisc
                     qDBusRegisterMetaType<T>();
                     qRegisterMetaTypeStreamOperators<T>();
                     registerMetaValueType<T>();
-                    maybeRegisterMetaListConvert<T>(0);
+                    maybeRegisterMetaList();
                 }
             }
+            static void maybeRegisterMetaList();
         };
         //! \endcond
     }
diff --git a/src/blackmisc/weather/registermetadataweather.cpp b/src/blackmisc/weather/registermetadataweather.cpp
index ac517ab68..5b6aecd83 100644
--- a/src/blackmisc/weather/registermetadataweather.cpp
+++ b/src/blackmisc/weather/registermetadataweather.cpp
@@ -37,24 +37,4 @@ namespace BlackMisc
         }
     }
 
-#if defined(Q_OS_WIN) && defined(Q_CC_CLANG)
-    namespace Private
-    {
-        template void maybeRegisterMetaListConvert<Weather::CCloudLayerList>(int);
-        template void maybeRegisterMetaListConvert<Weather::CMetarList>(int);
-        template void maybeRegisterMetaListConvert<Weather::CPresentWeatherList>(int);
-        template void maybeRegisterMetaListConvert<Weather::CTemperatureLayerList>(int);
-        template void maybeRegisterMetaListConvert<Weather::CVisibilityLayerList>(int);
-        template void maybeRegisterMetaListConvert<Weather::CWeatherDataPluginInfoList>(int);
-        template void maybeRegisterMetaListConvert<Weather::CWindLayerList>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CCloudLayer>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CMetar>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CPresentWeather>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CTemperatureLayer>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CVisibilityLayer>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CWeatherDataPluginInfo>>(int);
-        template void maybeRegisterMetaListConvert<CSequence<Weather::CWindLayer>>(int);
-    } // ns
-#endif
-
 } // ns