diff --git a/matlab/stoch_simul.m b/matlab/stoch_simul.m
index 3076925b2..0c10ccfe4 100644
--- a/matlab/stoch_simul.m
+++ b/matlab/stoch_simul.m
@@ -17,7 +17,7 @@ function info=stoch_simul(var_list)
 % You should have received a copy of the GNU General Public License
 % along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
-global M_ options_ oo_ it_
+global M_ options_ oo_
 
 % Test if the order of approximation is nonzero (the preprocessor tests if order is non negative).
 if isequal(options_.order,0)