diff --git a/src/movers/mover.cpp b/src/movers/mover.cpp
index c4a7875..234ddfc 100644
--- a/src/movers/mover.cpp
+++ b/src/movers/mover.cpp
@@ -22,6 +22,12 @@
 #include <cassert>
 
 namespace cloonel {
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	Mover::~Mover() noexcept {
+		m_placeables.RemoveAll();
+	}
+
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	void Mover::Update (float parDelta) {
diff --git a/src/movers/mover.hpp b/src/movers/mover.hpp
index 7da8776..e0e6a63 100644
--- a/src/movers/mover.hpp
+++ b/src/movers/mover.hpp
@@ -35,7 +35,7 @@ namespace cloonel {
 		};
 
 		Mover ( void ) = default;
-		virtual ~Mover ( void ) noexcept = default;
+		virtual ~Mover ( void ) noexcept;
 
 		virtual void Update ( float parDelta );
 		PlaceableTicketType RegisterPlaceable ( Placeable* parPlaceable, PlaceableTicketType parParent=ObserversManager<Placeable*>::Ticket_Null );
diff --git a/src/observersmanager.hpp b/src/observersmanager.hpp
index 59c1c54..3d1c865 100644
--- a/src/observersmanager.hpp
+++ b/src/observersmanager.hpp
@@ -73,6 +73,7 @@ namespace cloonel {
 
 		TicketType Add ( T parObserver, TicketType parParent=Ticket_Null );
 		void Remove ( TicketType parTicket ) noexcept;
+		void RemoveAll ( void ) noexcept;
 		void Update ( TicketType parTicket, T parObserver );
 		std::size_t size ( void ) const { return m_tree.size(); }
 		iterator begin ( void ) { return iterator(m_tree.begin(), &TicketedWrapperToItm); }
@@ -132,6 +133,19 @@ namespace cloonel {
 			--m_nextTicket;
 	}
 
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	template <typename T>
+	void ObserversManager<T>::RemoveAll() noexcept {
+		if (not m_tree.empty()) {
+			for (typename TreeType::sibling_iterator it(m_tree.begin()), itEND(m_tree.end()); it != itEND; ++it) {
+				const TicketType ticket = it->ticket;
+				this->Remove(ticket);
+			}
+			assert(m_tree.empty());
+		}
+	}
+
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	template <typename T>