diff --git a/packages/cohesive_element.cmake b/packages/cohesive_element.cmake
index 7bc965c84..0d33aef23 100644
--- a/packages/cohesive_element.cmake
+++ b/packages/cohesive_element.cmake
@@ -1,82 +1,80 @@
 #===============================================================================
 # @file   cohesive_element.cmake
 #
 # @author Nicolas Richart <nicolas.richart@epfl.ch>
 #
 # @date   Tue Oct 16 14:05:02 2012
 #
 # @brief  package description for cohesive elements
 #
 # @section LICENSE
 #
 # Copyright (©) 2010-2011 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/>.
 #
 #===============================================================================
 
 option(AKANTU_COHESIVE_ELEMENT "Use cohesive_element package of Akantu" OFF)
 set(AKANTU_COHESIVE_ELEMENT_FILES
   model/solid_mechanics/materials/material_cohesive_includes.hh
 
   fem/cohesive_element.cc
   fem/shape_cohesive.hh
   fem/cohesive_element.hh
   fem/fem_template_cohesive.cc
 
   fem/fem_template_cohesive_inline_impl.cc
   fem/fem_template_cohesive_tmpl.hh
 
   fem/integrator_cohesive.hh
   fem/integrator_cohesive_inline_impl.cc
   fem/shape_cohesive_inline_impl.cc
 
   model/solid_mechanics/materials/material_cohesive/material_cohesive_inline_impl.cc
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_exponential_inline_impl.cc
 
   model/solid_mechanics/solid_mechanics_model_cohesive.cc
   model/solid_mechanics/solid_mechanics_model_cohesive_inline_impl.cc
   model/solid_mechanics/materials/material_cohesive/material_cohesive.cc
-  model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_linear.cc
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_bilinear.cc
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_linear_extrinsic.cc
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_exponential.cc
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_linear_exponential_extrinsic.cc
 
   model/solid_mechanics/solid_mechanics_model_cohesive.hh
   model/solid_mechanics/materials/material_cohesive/material_cohesive.hh
-  model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_linear.hh
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_bilinear.hh
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_exponential.hh
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_linear_extrinsic.hh
   model/solid_mechanics/materials/material_cohesive/constitutive_laws/material_cohesive_linear_exponential_extrinsic.hh
   model/solid_mechanics/materials/material_viscoelastic/material_standard_linear_solid_deviatoric.hh
   )
 
 
 set(AKANTU_COHESIVE_ELEMENT_TESTS
   test_cohesive_buildfacets_tetrahedron
   test_cohesive_buildfacets_hexahedron
   test_cohesive_intrinsic
   test_cohesive_intrinsic_quadrangle
   test_cohesive_extrinsic
   test_cohesive_extrinsic_quadrangle
   test_cohesive_buildfragments
   test_cohesive_intrinsic_impl
   )
 
 set(AKANTU_COHESIVE_ELEMENT_DOC
   manual/manual-cohesive_element.tex
   )
\ No newline at end of file