diff --git a/packages/contact.cmake b/packages/contact.cmake
index eea83e141..6d7bd8ec9 100644
--- a/packages/contact.cmake
+++ b/packages/contact.cmake
@@ -1,82 +1,79 @@
 #===============================================================================
 # @file   20_contact.cmake
 #
 # @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
 # @author Nicolas Richart <nicolas.richart@epfl.ch>
 #
 # @date creation: Mon Nov 21 2011
 # @date last modification: Mon Sep 15 2014
 #
 # @brief  package description for contact
 #
 # @section LICENSE
 #
 # Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
 # Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
 #
 # Akantu is free  software: you can redistribute it and/or  modify it under the
 # terms  of the  GNU Lesser  General Public  License as  published by  the Free
 # Software Foundation, either version 3 of the License, or (at your option) any
 # later version.
 #
 # Akantu is  distributed in the  hope that it  will be useful, but  WITHOUT ANY
 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 # A  PARTICULAR PURPOSE. See  the GNU  Lesser General  Public License  for more
 # details.
 #
 # You should  have received  a copy  of the GNU  Lesser General  Public License
 # along with Akantu. If not, see <http://www.gnu.org/licenses/>.
 #
 #===============================================================================
 
 package_declare(contact
   DESCRIPTION "Use Contact package of Akantu"
   DEPENDS cpparray implicit optimization)
 
 
 package_declare_sources(contact
   #cc files
   contact/discretization.cc
   contact/element.cc
   contact/friction.cc
   contact/resolution/resolution_augmented_lagrangian.cc
   contact/scheme.cc
   contact/search.cc
   contact/surface.cc
   contact/zone.cc
   contact/contact_impl.cc
-  model/model_manager.cc
 
   # include files
   contact/contact_common.hh
   contact/contact_manager.hh
   contact/discretization.hh
   contact/element.hh
   contact/friction.hh
   contact/resolution.hh
   contact/resolution/resolution_augmented_lagrangian.hh
   contact/scheme.hh
   contact/search.hh
   contact/surface.hh
   contact/zone.hh
   contact/contact_impl.hh
-  model/model_manager.hh
-  model/contact_manager0.hh
   )
 
 
 if(AKANTU_CONTACT)
   list(APPEND AKANTU_BOOST_COMPONENTS
     chrono
     system
     )
 endif()
 
 package_declare_documentation_files(contact
   manual-contact.tex
   figures/hertz_3D.png
   )
 
 package_declare_documentation(contact
   "This package enables the contact mechanics engine for Akantu"
   )
\ No newline at end of file