diff --git a/src/kpassivepopup.h b/src/kpassivepopup.h
--- a/src/kpassivepopup.h
+++ b/src/kpassivepopup.h
@@ -31,6 +31,8 @@
 /**
  * @class KPassivePopup kpassivepopup.h KPassivePopup
  *
+ * @deprecated Use KNotification instead.
+ *
  * @short A dialog-like popup that displays messages without interrupting the user.
  *
  * The simplest uses of KPassivePopup are by using the various message() static
@@ -84,7 +86,7 @@
  * @author Richard Moore, rich@kde.org
  * @author Sascha Cunz, sascha.cunz@tiscali.de
  */
-class KNOTIFICATIONS_EXPORT KPassivePopup : public QFrame
+class KNOTIFICATIONS_DEPRECATED KNOTIFICATIONS_EXPORT KPassivePopup : public QFrame
 {
     Q_OBJECT
     Q_PROPERTY(bool autoDelete READ autoDelete WRITE setAutoDelete)