diff --git a/matlab/global_initialization.m b/matlab/global_initialization.m
index 08fbae874..0f8583915 100644
--- a/matlab/global_initialization.m
+++ b/matlab/global_initialization.m
@@ -39,6 +39,7 @@ function global_initialization()
   options_.slowc = 1;
   options_.timing = 0;
   options_.gstep = 1e-2;
+  options_.scalv = 1;
   options_.debug = 0;
   options_.initval_file = 0;
   options_.Schur_vec_tol = 1e-11; % used to find nonstationary variables
diff --git a/matlab/simul.m b/matlab/simul.m
index 8a800ce31..265f1d5e7 100644
--- a/matlab/simul.m
+++ b/matlab/simul.m
@@ -38,13 +38,6 @@ if size(M_.lead_lag_incidence,2)-nnz(M_.lead_lag_incidence(M_.maximum_endo_lag+1
   error (mess) ;
 end
 
-options_ = set_default_option(options_,'simul_algo',0);
-options_ = set_default_option(options_,'dynatol',0.00001);
-options_ = set_default_option(options_,'maxit',10);
-options_ = set_default_option(options_,'slowc',1);
-options_ = set_default_option(options_,'timing',0);
-options_ = set_default_option(options_,'gstep',1e-2);
-options_ = set_default_option(options_,'scalv',1);
 if ~isfield(options_,'periods') & ~isempty(options_.periods)
   options_.periods = options_.periods
 end