diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -171,7 +171,7 @@
     GROUP_BASE_NAME KF
     VERSION ${KF5_VERSION}
     DEPRECATED_BASE_VERSION 0
-    DEPRECATION_VERSIONS 4.0 5.0 5.2 5.65 5.67
+    DEPRECATION_VERSIONS 4.0 5.0 5.2 5.65 5.67 5.70
     EXCLUDE_DEPRECATED_BEFORE_AND_AT ${EXCLUDE_DEPRECATED_BEFORE_AND_AT}
 )
 
diff --git a/src/lib/plugin/kpluginfactory.h b/src/lib/plugin/kpluginfactory.h
--- a/src/lib/plugin/kpluginfactory.h
+++ b/src/lib/plugin/kpluginfactory.h
@@ -530,7 +530,14 @@
     void registerPlugin(const QString &keyword, const QMetaObject *metaObject, CreateInstanceFunction instanceFunction);
 };
 
+// Deprecation wrapper macro added only for 5.70, while backward typedef added in 4.0
+#if KCOREADDONS_ENABLE_DEPRECATED_SINCE(5, 70)
+/**
+ * Backward compatibility typedef for KPluginFactory
+ * @deprecated since 4.0, use KPluginFactory
+ */
 typedef KPluginFactory KLibFactory;
+#endif
 
 template<typename T>
 inline T *KPluginFactory::create(QObject *parent, const QVariantList &args)