diff --git a/src/gui/accessible/linux/qspi_struct_marshallers.cpp b/src/gui/accessible/linux/qspi_struct_marshallers.cpp
index 1f49d8533f5..5362a6132a0 100644
--- a/src/gui/accessible/linux/qspi_struct_marshallers.cpp
+++ b/src/gui/accessible/linux/qspi_struct_marshallers.cpp
@@ -49,6 +49,24 @@
 #ifndef QT_NO_ACCESSIBILITY
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN(QSpiIntList)
+QT_IMPL_METATYPE_EXTERN(QSpiUIntList)
+QT_IMPL_METATYPE_EXTERN(QSpiObjectReference)
+QT_IMPL_METATYPE_EXTERN(QSpiObjectReferenceArray)
+QT_IMPL_METATYPE_EXTERN(QSpiAccessibleCacheItem)
+QT_IMPL_METATYPE_EXTERN(QSpiAccessibleCacheArray)
+QT_IMPL_METATYPE_EXTERN(QSpiAction)
+QT_IMPL_METATYPE_EXTERN(QSpiActionArray)
+QT_IMPL_METATYPE_EXTERN(QSpiEventListener)
+QT_IMPL_METATYPE_EXTERN(QSpiEventListenerArray)
+QT_IMPL_METATYPE_EXTERN(QSpiRelationArrayEntry)
+QT_IMPL_METATYPE_EXTERN(QSpiRelationArray)
+QT_IMPL_METATYPE_EXTERN(QSpiTextRange)
+QT_IMPL_METATYPE_EXTERN(QSpiTextRangeList)
+QT_IMPL_METATYPE_EXTERN(QSpiAttributeSet)
+QT_IMPL_METATYPE_EXTERN(QSpiAppUpdate)
+QT_IMPL_METATYPE_EXTERN(QSpiDeviceEvent)
+
 QSpiObjectReference::QSpiObjectReference()
     : path(QDBusObjectPath(ATSPI_DBUS_PATH_NULL))
 {}
diff --git a/src/gui/accessible/linux/qspi_struct_marshallers_p.h b/src/gui/accessible/linux/qspi_struct_marshallers_p.h
index c7a4a971760..ded05bdc861 100644
--- a/src/gui/accessible/linux/qspi_struct_marshallers_p.h
+++ b/src/gui/accessible/linux/qspi_struct_marshallers_p.h
@@ -176,23 +176,23 @@ void qSpiInitializeStructTypes();
 
 QT_END_NAMESPACE
 
-Q_DECLARE_METATYPE(QSpiIntList)
-Q_DECLARE_METATYPE(QSpiUIntList)
-Q_DECLARE_METATYPE(QSpiObjectReference)
-Q_DECLARE_METATYPE(QSpiObjectReferenceArray)
-Q_DECLARE_METATYPE(QSpiAccessibleCacheItem)
-Q_DECLARE_METATYPE(QSpiAccessibleCacheArray)
-Q_DECLARE_METATYPE(QSpiAction)
-Q_DECLARE_METATYPE(QSpiActionArray)
-Q_DECLARE_METATYPE(QSpiEventListener)
-Q_DECLARE_METATYPE(QSpiEventListenerArray)
-Q_DECLARE_METATYPE(QSpiRelationArrayEntry)
-Q_DECLARE_METATYPE(QSpiRelationArray)
-Q_DECLARE_METATYPE(QSpiTextRange)
-Q_DECLARE_METATYPE(QSpiTextRangeList)
-Q_DECLARE_METATYPE(QSpiAttributeSet)
-Q_DECLARE_METATYPE(QSpiAppUpdate)
-Q_DECLARE_METATYPE(QSpiDeviceEvent)
+QT_DECL_METATYPE_EXTERN(QSpiIntList, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiUIntList, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiObjectReference, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiObjectReferenceArray, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiAccessibleCacheItem, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiAccessibleCacheArray, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiAction, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiActionArray, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiEventListener, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiEventListenerArray, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiRelationArrayEntry, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiRelationArray, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiTextRange, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiTextRangeList, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiAttributeSet, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiAppUpdate, /* not exported */)
+QT_DECL_METATYPE_EXTERN(QSpiDeviceEvent, /* not exported */)
 
 // For qdbusxml2cpp-generated code
 QT_USE_NAMESPACE
diff --git a/src/gui/kernel/qinputdevicemanager.cpp b/src/gui/kernel/qinputdevicemanager.cpp
index 254b1304610..fee90ddf01e 100644
--- a/src/gui/kernel/qinputdevicemanager.cpp
+++ b/src/gui/kernel/qinputdevicemanager.cpp
@@ -42,6 +42,8 @@
 
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN_TAGGED(QInputDeviceManager::DeviceType, QInputDeviceManager__DeviceType)
+
 /*!
   \class QInputDeviceManager
   \internal
diff --git a/src/gui/kernel/qinputdevicemanager_p.h b/src/gui/kernel/qinputdevicemanager_p.h
index 50bfbe80809..d757e574e8a 100644
--- a/src/gui/kernel/qinputdevicemanager_p.h
+++ b/src/gui/kernel/qinputdevicemanager_p.h
@@ -91,6 +91,7 @@ Q_SIGNALS:
 
 QT_END_NAMESPACE
 
-Q_DECLARE_METATYPE(QInputDeviceManager::DeviceType)
+QT_DECL_METATYPE_EXTERN_TAGGED(QInputDeviceManager::DeviceType,
+                               QInputDeviceManager__DeviceType, Q_GUI_EXPORT)
 
 #endif // QINPUTDEVICEMANAGER_P_H
diff --git a/src/gui/platform/unix/dbusmenu/qdbusmenutypes.cpp b/src/gui/platform/unix/dbusmenu/qdbusmenutypes.cpp
index c5bc4a18891..9f3f4e93097 100644
--- a/src/gui/platform/unix/dbusmenu/qdbusmenutypes.cpp
+++ b/src/gui/platform/unix/dbusmenu/qdbusmenutypes.cpp
@@ -56,6 +56,16 @@
 
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN(QDBusMenuItem)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuItemList)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuItemKeys)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuItemKeysList)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuLayoutItem)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuLayoutItemList)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuEvent)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuEventList)
+QT_IMPL_METATYPE_EXTERN(QDBusMenuShortcut)
+
 const QDBusArgument &operator<<(QDBusArgument &arg, const QDBusMenuItem &item)
 {
     arg.beginStructure();
diff --git a/src/gui/platform/unix/dbusmenu/qdbusmenutypes_p.h b/src/gui/platform/unix/dbusmenu/qdbusmenutypes_p.h
index 8b2b1db01e8..5cae5f44449 100644
--- a/src/gui/platform/unix/dbusmenu/qdbusmenutypes_p.h
+++ b/src/gui/platform/unix/dbusmenu/qdbusmenutypes_p.h
@@ -143,14 +143,14 @@ QDebug operator<<(QDebug d, const QDBusMenuLayoutItem &item);
 
 QT_END_NAMESPACE
 
-Q_DECLARE_METATYPE(QDBusMenuItem)
-Q_DECLARE_METATYPE(QDBusMenuItemList)
-Q_DECLARE_METATYPE(QDBusMenuItemKeys)
-Q_DECLARE_METATYPE(QDBusMenuItemKeysList)
-Q_DECLARE_METATYPE(QDBusMenuLayoutItem)
-Q_DECLARE_METATYPE(QDBusMenuLayoutItemList)
-Q_DECLARE_METATYPE(QDBusMenuEvent)
-Q_DECLARE_METATYPE(QDBusMenuEventList)
-Q_DECLARE_METATYPE(QDBusMenuShortcut)
+QT_DECL_METATYPE_EXTERN(QDBusMenuItem, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuItemList, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuItemKeys, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuItemKeysList, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuLayoutItem, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuLayoutItemList, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuEvent, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuEventList, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QDBusMenuShortcut, Q_GUI_EXPORT)
 
 #endif
diff --git a/src/gui/platform/unix/dbustray/qdbustraytypes.cpp b/src/gui/platform/unix/dbustray/qdbustraytypes.cpp
index 4408bfae5a0..e6d5c28865e 100644
--- a/src/gui/platform/unix/dbustray/qdbustraytypes.cpp
+++ b/src/gui/platform/unix/dbustray/qdbustraytypes.cpp
@@ -59,6 +59,10 @@
 
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN(QXdgDBusImageStruct)
+QT_IMPL_METATYPE_EXTERN(QXdgDBusImageVector)
+QT_IMPL_METATYPE_EXTERN(QXdgDBusToolTipStruct)
+
 static const int IconSizeLimit = 64;
 static const int IconNormalSmallSize = 22;
 static const int IconNormalMediumSize = 64;
diff --git a/src/gui/platform/unix/dbustray/qdbustraytypes_p.h b/src/gui/platform/unix/dbustray/qdbustraytypes_p.h
index 5a48a9110a6..285022546e7 100644
--- a/src/gui/platform/unix/dbustray/qdbustraytypes_p.h
+++ b/src/gui/platform/unix/dbustray/qdbustraytypes_p.h
@@ -102,8 +102,8 @@ const QDBusArgument &operator>>(const QDBusArgument &argument, QXdgDBusToolTipSt
 
 QT_END_NAMESPACE
 
-Q_DECLARE_METATYPE(QXdgDBusImageStruct)
-Q_DECLARE_METATYPE(QXdgDBusImageVector)
-Q_DECLARE_METATYPE(QXdgDBusToolTipStruct)
+QT_DECL_METATYPE_EXTERN(QXdgDBusImageStruct, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QXdgDBusImageVector, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(QXdgDBusToolTipStruct, Q_GUI_EXPORT)
 
 #endif // QDBUSTRAYTYPES_P_H
diff --git a/src/gui/text/coretext/qcoretextfontdatabase.mm b/src/gui/text/coretext/qcoretextfontdatabase.mm
index b47d406c37a..afa84992451 100644
--- a/src/gui/text/coretext/qcoretextfontdatabase.mm
+++ b/src/gui/text/coretext/qcoretextfontdatabase.mm
@@ -64,6 +64,9 @@
 
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN_TAGGED(QCFType<CGFontRef>, QCFType_CGFontRef)
+QT_IMPL_METATYPE_EXTERN_TAGGED(QCFType<CFURLRef>, QCFType_CFURLRef)
+
 // this could become a list of all languages used for each writing
 // system, instead of using the single most common language.
 static const char languageForWritingSystem[][8] = {
diff --git a/src/gui/text/coretext/qcoretextfontdatabase_p.h b/src/gui/text/coretext/qcoretextfontdatabase_p.h
index 4e847dc32f4..f6cd0cec5df 100644
--- a/src/gui/text/coretext/qcoretextfontdatabase_p.h
+++ b/src/gui/text/coretext/qcoretextfontdatabase_p.h
@@ -60,8 +60,8 @@
 Q_FORWARD_DECLARE_CF_TYPE(CTFontDescriptor);
 Q_FORWARD_DECLARE_CF_TYPE(CTFont);
 
-Q_DECLARE_METATYPE(QCFType<CGFontRef>);
-Q_DECLARE_METATYPE(QCFType<CFURLRef>);
+QT_DECL_METATYPE_EXTERN_TAGGED(QCFType<CGFontRef>, QCFType_CGFontRef, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN_TAGGED(QCFType<CFURLRef>, QCFType_CFURLRef, Q_GUI_EXPORT)
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/gui/text/qcssparser.cpp b/src/gui/text/qcssparser.cpp
index 29bed8a0c65..253831e4e1f 100644
--- a/src/gui/text/qcssparser.cpp
+++ b/src/gui/text/qcssparser.cpp
@@ -55,6 +55,10 @@
 
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN_TAGGED(QCss::BackgroundData, QCss__BackgroundData)
+QT_IMPL_METATYPE_EXTERN_TAGGED(QCss::LengthData, QCss__LengthData)
+QT_IMPL_METATYPE_EXTERN_TAGGED(QCss::BorderData, QCss__BorderData)
+
 #include "qcssscanner.cpp"
 
 using namespace QCss;
diff --git a/src/gui/text/qcssparser_p.h b/src/gui/text/qcssparser_p.h
index 8275dc055e7..7af2efd7f7d 100644
--- a/src/gui/text/qcssparser_p.h
+++ b/src/gui/text/qcssparser_p.h
@@ -885,9 +885,9 @@ private:
 
 QT_END_NAMESPACE
 
-Q_DECLARE_METATYPE( QCss::BackgroundData )
-Q_DECLARE_METATYPE( QCss::LengthData )
-Q_DECLARE_METATYPE( QCss::BorderData )
+QT_DECL_METATYPE_EXTERN_TAGGED(QCss::BackgroundData, QCss__BackgroundData, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN_TAGGED(QCss::LengthData, QCss__LengthData, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN_TAGGED(QCss::BorderData, QCss__BorderData, Q_GUI_EXPORT)
 
 #undef QT_CSS_DECLARE_TYPEINFO
 
diff --git a/src/gui/text/windows/qwindowsfontengine.cpp b/src/gui/text/windows/qwindowsfontengine.cpp
index 1f1fb7c6fa6..f8125511d51 100644
--- a/src/gui/text/windows/qwindowsfontengine.cpp
+++ b/src/gui/text/windows/qwindowsfontengine.cpp
@@ -74,6 +74,9 @@
 
 QT_BEGIN_NAMESPACE
 
+QT_IMPL_METATYPE_EXTERN(HFONT)
+QT_IMPL_METATYPE_EXTERN(LOGFONT)
+
 //### mingw needed define
 #ifndef TT_PRIM_CSPLINE
 #define TT_PRIM_CSPLINE 3
diff --git a/src/gui/text/windows/qwindowsfontengine_p.h b/src/gui/text/windows/qwindowsfontengine_p.h
index 57b619bc1c8..790c309dd3d 100644
--- a/src/gui/text/windows/qwindowsfontengine_p.h
+++ b/src/gui/text/windows/qwindowsfontengine_p.h
@@ -174,7 +174,7 @@ private:
 
 QT_END_NAMESPACE
 
-Q_DECLARE_METATYPE(HFONT)
-Q_DECLARE_METATYPE(LOGFONT)
+QT_DECL_METATYPE_EXTERN(HFONT, Q_GUI_EXPORT)
+QT_DECL_METATYPE_EXTERN(LOGFONT, Q_GUI_EXPORT)
 
 #endif // QWINDOWSFONTENGINE_H