diff --git a/prospect.py b/prospect.py
index fe4997f..19dd4a4 100644
--- a/prospect.py
+++ b/prospect.py
@@ -37,14 +37,6 @@ class Prospect(ModelSQL, ModelView):
         if self.city:
             self.department = self.city.parent
 
-    @fields.depends('assigned_operator', 'state')
-    def on_change_assigned_operator(self):
-        if self.assigned_operator:
-            self.state = 'assigned'
-        else:
-            self.state = 'unassigned'
-        pass
-
 
 class ContactMethod(ModelSQL, ModelView):
     'Mecanismo de contacto'
diff --git a/tests/scenario_sale_opportunity_management.rst b/tests/scenario_sale_opportunity_management.rst
index 23b005e..de8c06e 100644
--- a/tests/scenario_sale_opportunity_management.rst
+++ b/tests/scenario_sale_opportunity_management.rst
@@ -88,8 +88,6 @@ Asignar operario a un prospecto::
     >>> User = Model.get('res.user')
     >>> user,  = User.find([('name', '=', 'Administrator')])
 
-    .. >>> prospect1.assigned_operator = user
-
     >>> assign = Wizard('sale.prospect.assign', [prospect1, prospect2])
     >>> assign.form.prospects_chunk = 2
     >>> assign.form.operator = user
@@ -104,12 +102,6 @@ Asignar operario a un prospecto::
     >>> prospect2.state
     'assigned'
 
-Remover operario asignado de un prospecto::
-    >>> prospect1.assigned_operator = None
-    >>> prospect1.state
-    'unassigned'
-
-
 ------------------------------------
 Asignación de prospectos a operarios
 ------------------------------------
@@ -219,15 +211,10 @@ Verificar estado final del seguimiento del prospecto y sus llamadas
 Programar una próxima llamada pendiente al seguimiento de prospecto::
     >>> PendingCall = Model.get('sale.pending_call')
     
-    .. >>> pending_call = PendingCall()
-
     >>> schedule = Wizard('sale.prospect_trace.schedule', [prospect_trace])
     >>> schedule.form.date_time = datetime(2023, 8, 14, 15, 30, 30)
     >>> schedule.execute('schedule')
 
-    .. >>> pending_call.date = datetime(2023, 8, 14, 15, 30, 30)
-    .. >>> prospect_trace.pending_call = pending_call
-
     >>> prospect_trace.pending_call.date
     datetime.datetime(2023, 8, 14, 15, 30, 30)
     >>> prospect_trace.state