diff --git a/conf_experiment.yaml b/conf_experiment.yaml
index 0137445..012f9a9 100644
--- a/conf_experiment.yaml
+++ b/conf_experiment.yaml
@@ -5,8 +5,6 @@ meta_seed: 0
 
 test:  # only for test scenarios
   n_sample: 1
-  n_iter: 20
 
 not_test:  # normal scenarios
   n_sample: 50
-  n_iter: 20
diff --git a/controller_db.py b/controller_db.py
index 550a28c..896c938 100644
--- a/controller_db.py
+++ b/controller_db.py
@@ -134,7 +134,6 @@ class ControllerDB:
             idx_scenario=idx_scenario,
             idx_init_removal=idx_init_removal,
             n_sample=int(self.dct_parameter['n_sample']),
-            n_iter=int(self.dct_parameter['n_iter']),
             dct_lst_init_disrupt_firm_prod=dct_lst_init_disrupt_firm_prod,
             g_bom=g_bom,
             n_max_trial=n_max_trial,
diff --git a/model.py b/model.py
index d6e6881..8c06bfd 100644
--- a/model.py
+++ b/model.py
@@ -13,7 +13,6 @@ class Model(ap.Model):
         # self para
         self.sample = self.p.sample
         self.int_stop_times, self.int_stop_t = 0, None
-        self.int_n_iter = int(self.p.n_iter)
         self.product_network = None  # agentpy network
         self.firm_network = None  # agentpy network
         self.firm_prod_network = None  # networkx