diff --git a/payment.py b/payment.py
index f97f343..e610f67 100644
--- a/payment.py
+++ b/payment.py
@@ -9,7 +9,6 @@
 from trytond.exceptions import UserError
 from trytond.transaction import Transaction
 from trytond.modules.currency.fields import Monetary
-
 __all__ = ['Journal', 'Group', 'Payment', 'PayLine']
 
 _ZERO = Decimal(0)
@@ -36,8 +35,6 @@ class Group(metaclass=PoolMeta):
         'on_change_with_payment_type')
     currency = fields.Function(fields.Many2One('currency.currency', 'Currency'),
         'on_change_with_currency')
-    amount = fields.Function(Monetary('Total',
-        digits='currency', currency='currency'), 'get_amount')
 
     @fields.depends('journal')
     def on_change_with_payment_type(self, name=None):
@@ -49,15 +46,6 @@ def on_change_with_currency(self, name=None):
         if self.journal and self.journal.currency:
             return self.journal.currency.id
 
-    def get_amount(self, name):
-        amount = _ZERO
-        for payment in self.payments:
-            amount += payment.amount
-        if self.journal and self.journal.currency:
-            return self.journal.currency.round(amount)
-        else:
-            return amount
-
 
 class Payment(metaclass=PoolMeta):
     __name__ = 'account.payment'
diff --git a/view/payment_group_form.xml b/view/payment_group_form.xml
index b5ddbde..ed6d882 100644
--- a/view/payment_group_form.xml
+++ b/view/payment_group_form.xml
@@ -7,8 +7,6 @@ copyright notices and license terms. -->
             position="after">
         <label name="payment_type"/>
         <field name="payment_type"/>
-        <label name="amount"/>
-        <field name="amount"/>
         <field name="payments" colspan="4"/>
     </xpath>
 </data>
diff --git a/view/payment_group_list.xml b/view/payment_group_list.xml
index 0bce331..2645657 100644
--- a/view/payment_group_list.xml
+++ b/view/payment_group_list.xml
@@ -6,6 +6,5 @@ copyright notices and license terms. -->
     <xpath expr="/tree/field[@name=&quot;kind&quot;]"
             position="after">
         <field name="payment_type"/>
-        <field name="amount"/>
     </xpath>
 </data>