Use K_PLUGIN_CLASS_WITH_JSON here too

src/kontactplugin/kmail/kcmkmailsummary.cpp

@@ -25,7 +25,7 @@
 #include <QTreeView>
 #include <QVBoxLayout>
 
-K_PLUGIN_FACTORY_WITH_JSON(KCMKMailSummaryFactory, "kmailplugin.json", registerPlugin<KCMKMailSummary>();)
+K_PLUGIN_CLASS_WITH_JSON(KCMKMailSummary, "kmailplugin.json")
 KCMKMailSummary::KCMKMailSummary(QWidget *parent, const QVariantList &args)
     : KCModule(parent, args)
 {

src/kontactplugin/summary/kcmkontactsummary.cpp

@@ -65,7 +65,7 @@ PluginView::PluginView(QWidget *parent)
 
 PluginView::~PluginView() = default;
 
-K_PLUGIN_FACTORY_WITH_JSON(KCMKontactSummaryFactory, "kcmkontactsummary.json", registerPlugin<KCMKontactSummary>();)
+K_PLUGIN_CLASS_WITH_JSON(KCMKontactSummary, "kcmkontactsummary.json")
 
 KCMKontactSummary::KCMKontactSummary(QWidget *parent, const QVariantList &args)
     : KCModule(parent, args)