diff --git a/src/event/conference-event.cpp b/src/event/conference-event.cpp
index 9fb000415..e2ae54200 100644
--- a/src/event/conference-event.cpp
+++ b/src/event/conference-event.cpp
@@ -52,4 +52,9 @@ ConferenceEvent &ConferenceEvent::operator= (const ConferenceEvent &src) {
 	return *this;
 }
 
+shared_ptr<Address> ConferenceEvent::getAddress () const {
+	// TODO.
+	return nullptr;
+}
+
 LINPHONE_END_NAMESPACE
diff --git a/src/event/conference-event.h b/src/event/conference-event.h
index c7e0d7803..c063f7ac3 100644
--- a/src/event/conference-event.h
+++ b/src/event/conference-event.h
@@ -28,18 +28,21 @@
 LINPHONE_BEGIN_NAMESPACE
 
 class Address;
-class Conference;
 class ConferenceEventPrivate;
 
 class LINPHONE_PUBLIC ConferenceEvent : public Event {
 public:
 	ConferenceEvent (Type type, const std::shared_ptr<Address> &address);
 	ConferenceEvent (const ConferenceEvent &src);
+	virtual ~ConferenceEvent () = default;
 
 	ConferenceEvent &operator= (const ConferenceEvent &src);
 
 	std::shared_ptr<Address> getAddress () const;
 
+protected:
+	ConferenceEvent (ConferenceEventPrivate &p, Type type);
+
 private:
 	L_DECLARE_PRIVATE(ConferenceEvent);
 };