diff --git a/src/NCollection/NCollection_List.hxx b/src/NCollection/NCollection_List.hxx
index 8719407879..33bd5aa2a2 100644
--- a/src/NCollection/NCollection_List.hxx
+++ b/src/NCollection/NCollection_List.hxx
@@ -200,7 +200,8 @@ public:
   }
 
   //! Remove the first occurrence of the object.
-  Standard_Boolean Remove (const TheItemType& theObject)
+  template<typename TheValueType> // instantiate this method on first call only for types defining equality operator
+  Standard_Boolean Remove (const TheValueType& theObject)
   {
     for (Iterator anIter (*this); anIter.More(); anIter.Next())
     {
@@ -285,7 +286,8 @@ public:
   { PReverse(); }
 
   //! Return true if object is stored in the list.
-  Standard_Boolean Contains (const TheItemType& theObject) const
+  template<typename TheValueType> // instantiate this method on first call only for types defining equality operator
+  Standard_Boolean Contains (const TheValueType& theObject) const
   {
     for (Iterator anIter (*this); anIter.More(); anIter.Next())
     {
diff --git a/src/NCollection/NCollection_StlIterator.hxx b/src/NCollection/NCollection_StlIterator.hxx
index d666270ecd..8e6c6ea842 100644
--- a/src/NCollection/NCollection_StlIterator.hxx
+++ b/src/NCollection/NCollection_StlIterator.hxx
@@ -101,6 +101,12 @@ public:
     return myIterator;
   }
 
+  //! Access to NCollection iterator instance
+  BaseIterator& ChangeIterator()
+  {
+    return myIterator;
+  }
+
 protected: //! @name methods related to forward STL iterator
 
   // Note: Here we use SFINAE (Substitution failure is not an error) to choose