diff --git a/src/plasma/containmentactions.h b/src/plasma/containmentactions.h
index 6651c5019..53aba6387 100644
--- a/src/plasma/containmentactions.h
+++ b/src/plasma/containmentactions.h
@@ -172,6 +172,4 @@ private:
     K_PLUGIN_FACTORY_WITH_JSON(factory, jsonFile, registerPlugin<classname>();) \
     K_EXPORT_PLUGIN_VERSION(PLASMA_VERSION)
 
-Q_DECLARE_METATYPE(Plasma::ContainmentActions *)
-
 #endif // PLASMA_CONTAINMENTACTIONS_H
diff --git a/src/plasma/dataengine.h b/src/plasma/dataengine.h
index c6961f854..41dfe449e 100644
--- a/src/plasma/dataengine.h
+++ b/src/plasma/dataengine.h
@@ -487,6 +487,4 @@ private:
     K_PLUGIN_FACTORY_WITH_JSON(factory, jsonFile, registerPlugin<classname>();) \
     K_EXPORT_PLUGIN_VERSION(PLASMA_VERSION)
 
-Q_DECLARE_METATYPE(Plasma::DataEngine *)
-
 #endif // multiple inclusion guard
diff --git a/src/plasma/private/storage_p.h b/src/plasma/private/storage_p.h
index da1efa177..2fa408efb 100644
--- a/src/plasma/private/storage_p.h
+++ b/src/plasma/private/storage_p.h
@@ -54,9 +54,6 @@ private:
 };
 //End StorageJob
 
-Q_DECLARE_METATYPE(StorageJob *)
-Q_DECLARE_METATYPE(QPointer<StorageJob>)
-
 class Storage : public Plasma::Service
 {
     Q_OBJECT
diff --git a/src/plasma/service.h b/src/plasma/service.h
index 168d8d791..e39706802 100644
--- a/src/plasma/service.h
+++ b/src/plasma/service.h
@@ -223,8 +223,6 @@ private:
 
 } // namespace Plasma
 
-Q_DECLARE_METATYPE(Plasma::Service *)
-
 /**
  * Register a service when it is contained in a loadable module
  */
diff --git a/src/plasma/servicejob.h b/src/plasma/servicejob.h
index 6cb57af67..0ba5d130e 100644
--- a/src/plasma/servicejob.h
+++ b/src/plasma/servicejob.h
@@ -122,7 +122,5 @@ private:
 
 } // namespace Plasma
 
-Q_DECLARE_METATYPE(Plasma::ServiceJob *)
-
 #endif // multiple inclusion guard
 
diff --git a/src/scriptengines/qml/plasmoid/appletinterface.cpp b/src/scriptengines/qml/plasmoid/appletinterface.cpp
index d51955e44..c348594c8 100644
--- a/src/scriptengines/qml/plasmoid/appletinterface.cpp
+++ b/src/scriptengines/qml/plasmoid/appletinterface.cpp
@@ -44,8 +44,6 @@
 #include <kdeclarative/configpropertymap.h>
 #include <kdeclarative/qmlobject.h>
 
-Q_DECLARE_METATYPE(AppletInterface *)
-
 AppletInterface::AppletInterface(DeclarativeAppletScript *script, const QVariantList &args, QQuickItem *parent)
     : AppletQuickItem(script->applet(), parent),
       m_configuration(nullptr),