diff --git a/src/Decomposition/CartDecomposition.hpp b/src/Decomposition/CartDecomposition.hpp
index 78a60eac6345b6d8bd3444d24dc61c431f5f0487..cdad424afb30143c5b8d47352556ccbf40a007f4 100644
--- a/src/Decomposition/CartDecomposition.hpp
+++ b/src/Decomposition/CartDecomposition.hpp
@@ -32,8 +32,6 @@
  * \tparam layout to use
  * \tparam Memory Memory factory used to allocate memory
  * \tparam Domain Structure that contain the information of your physical domain
- * \tparam data type of structure that store the sub-domain decomposition can be an openfpm structure like
- *        vector, ...
  *
  * Given an N-dimensional space, this class decompose the space into a Cartesian grid of small
  * sub-sub-domain. At each sub-sub-domain is assigned  an id that identify which processor is
@@ -63,7 +61,7 @@
  *
  */
 
-template<unsigned int dim, typename T, template<typename> class device_l=openfpm::device_cpu, typename Memory=HeapMemory, template<unsigned int, typename> class Domain=Box, template<typename, typename, typename, typename, unsigned int> class data_s = openfpm::vector>
+template<unsigned int dim, typename T, template<typename> class device_l=openfpm::device_cpu, typename Memory=HeapMemory, template<unsigned int, typename> class Domain=Box>
 class CartDecomposition
 {
 	struct N_box
@@ -151,7 +149,7 @@ class CartDecomposition
 		}
 
 		// encap interface to make compatible with OpenFPM_IO
-		template <int i> auto get() -> decltype( static_cast<Box<dim,T> *>(this)->template get<i>())
+		template <int i> auto get() -> decltype( std::declval<Box<dim,T> *>()->template get<i>())
 		{
 			return ::Box<dim,T>::template get<i>();
 		}
@@ -192,7 +190,7 @@ private:
 
 	//! This is the key type to access  data_s, for example in the case of vector
 	//! acc_key is size_t
-	typedef typename data_s<SpaceBox<dim,T>,device_l<SpaceBox<dim,T>>,Memory,openfpm::vector_grow_policy_default,openfpm::vect_isel<SpaceBox<dim,T>>::value >::access_key acc_key;
+	typedef typename openfpm::vector<SpaceBox<dim,T>,device_l<SpaceBox<dim,T>>,Memory,openfpm::vector_grow_policy_default,openfpm::vect_isel<SpaceBox<dim,T>>::value >::access_key acc_key;
 
 	//! the margin of the sub-domain selected
 	SpaceBox<dim,T> sub_domain;
@@ -772,7 +770,7 @@ private:
 	static void * message_alloc(size_t msg_i ,size_t total_msg, size_t total_p, size_t i, size_t ri, void * ptr)
 	{
 		// cast the pointer
-		CartDecomposition<dim,T,device_l,Memory,Domain,data_s> * cd = static_cast< CartDecomposition<dim,T,device_l,Memory,Domain,data_s> *>(ptr);
+		CartDecomposition<dim,T,device_l,Memory,Domain> * cd = static_cast< CartDecomposition<dim,T,device_l,Memory,Domain> *>(ptr);
 
 		// Resize the memory
 		cd->nn_processor_subdomains[i].bx.resize(msg_i / sizeof(::Box<dim,T>) );
@@ -788,7 +786,7 @@ public:
      * \param v_cl Virtual cluster, used internally to handle or pipeline communication
 	 *
 	 */
-	CartDecomposition(CartDecomposition<dim,T,device_l,Memory,Domain,data_s> && cd)
+	CartDecomposition(CartDecomposition<dim,T,device_l,Memory,Domain> && cd)
 	:sub_domain(cd.sub_domain),gr(cd.gr),cd(cd.cd),domain(cd.domain),v_cl(cd.v_cl)
 	{
 		// Reset the box to zero
@@ -1126,7 +1124,7 @@ p1[0]<-----+         +----> p2[0]
 		// Intersect all the local sub-domains with the sub-domains of the contiguous processors
 
 		// Get the sub-domains of the near processors
-		v_cl.sendrecvMultipleMessagesNBX(nn_processors,boxes,CartDecomposition<dim,T,device_l,Memory,Domain,data_s>::message_alloc, this ,NEED_ALL_SIZE);
+		v_cl.sendrecvMultipleMessagesNBX(nn_processors,boxes,CartDecomposition<dim,T,device_l,Memory,Domain>::message_alloc, this ,NEED_ALL_SIZE);
 
 		// create the internal structures that store ghost information
 		create_box_nn_processor_ext(ghost);