diff --git a/var/spack/repos/builtin/packages/flecsi/package.py b/var/spack/repos/builtin/packages/flecsi/package.py
index afb203cbc2d..049b28d15dd 100644
--- a/var/spack/repos/builtin/packages/flecsi/package.py
+++ b/var/spack/repos/builtin/packages/flecsi/package.py
@@ -54,7 +54,6 @@ def cmake_args(self):
         if '+mpi' in self.spec:
             options.extend([
                 '-DENABLE_MPI=ON',
-                '-DFLECSI_RUNTIME_MODEL=mpilegion'
             ])
 
         return options