diff --git a/anabatic/src/Dijkstra.cpp b/anabatic/src/Dijkstra.cpp
index 2fef02c0..207af8d8 100644
--- a/anabatic/src/Dijkstra.cpp
+++ b/anabatic/src/Dijkstra.cpp
@@ -1779,6 +1779,7 @@ namespace Anabatic {
   //_checkEdges();
     _sources.clear();
     _targets.clear();
+    _queue.clear();
     _searchArea.makeEmpty();
     _connectedsId = 0;
   }
diff --git a/hurricane/src/hurricane/hurricane/Collection.h b/hurricane/src/hurricane/hurricane/Collection.h
index 9a6042ac..1f3b5664 100644
--- a/hurricane/src/hurricane/hurricane/Collection.h
+++ b/hurricane/src/hurricane/hurricane/Collection.h
@@ -206,6 +206,7 @@ template<class Type> class Collection {
     class iterator {
       public:
                   iterator   ( Locator<Type>* l )        : _locator(l) {} 
+                 ~iterator   ()                          { delete _locator; }
         bool      operator== ( const iterator& o) const  { return not (*this != o); }
         iterator& operator++ ()                          { _locator->progress(); return *this; }
         Type      operator*  ()                          { return _locator->getElement(); }