diff --git a/invoice.py b/invoice.py
index 80edc40fe7..3cd5b4f87c 100644
--- a/invoice.py
+++ b/invoice.py
@@ -2418,6 +2418,11 @@ class InvoiceTax(sequence_ordered(), ModelSQL, ModelView):
 
     del _states, _depends
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('invoice')
+
     @classmethod
     def __register__(cls, module_name):
         super(InvoiceTax, cls).__register__(module_name)
diff --git a/invoice.xml b/invoice.xml
index 5e012b2690..0484cb358b 100644
--- a/invoice.xml
+++ b/invoice.xml
@@ -297,22 +297,6 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">invoice_tax_tree_sequence</field>
         </record>
 
-        <record model="ir.model.access" id="access_invoice_tax">
-            <field name="model" search="[('model', '=', 'account.invoice.tax')]"/>
-            <field name="perm_read" eval="True"/>
-            <field name="perm_write" eval="False"/>
-            <field name="perm_create" eval="False"/>
-            <field name="perm_delete" eval="False"/>
-        </record>
-        <record model="ir.model.access" id="access_invoice_tax_account">
-            <field name="model" search="[('model', '=', 'account.invoice.tax')]"/>
-            <field name="group" ref="account.group_account"/>
-            <field name="perm_read" eval="True"/>
-            <field name="perm_write" eval="True"/>
-            <field name="perm_create" eval="True"/>
-            <field name="perm_delete" eval="True"/>
-        </record>
-
         <record model="ir.ui.view" id="pay_start_view_form">
             <field name="model">account.invoice.pay.start</field>
             <field name="type">form</field>
diff --git a/payment_term.py b/payment_term.py
index 44029487bb..6df4a9e5f0 100644
--- a/payment_term.py
+++ b/payment_term.py
@@ -120,6 +120,11 @@ class PaymentTermLine(sequence_ordered(), ModelSQL, ModelView):
     relativedeltas = fields.One2Many(
         'account.invoice.payment_term.line.delta', 'line', 'Deltas')
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('payment')
+
     @classmethod
     def __register__(cls, module_name):
         sql_table = cls.__table__()
@@ -245,6 +250,11 @@ class PaymentTermLineRelativeDelta(sequence_ordered(), ModelSQL, ModelView):
     weeks = fields.Integer('Number of Weeks', required=True)
     days = fields.Integer('Number of Days', required=True)
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('line')
+
     @classmethod
     def __register__(cls, module_name):
         transaction = Transaction()
diff --git a/payment_term.xml b/payment_term.xml
index ec0cfc02f4..3f9b6c4509 100644
--- a/payment_term.xml
+++ b/payment_term.xml
@@ -74,23 +74,6 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">payment_term_line_form</field>
         </record>
 
-        <record model="ir.model.access" id="access_payment_term_line">
-            <field name="model" search="[('model', '=', 'account.invoice.payment_term.line')]"/>
-            <field name="perm_read" eval="True"/>
-            <field name="perm_write" eval="False"/>
-            <field name="perm_create" eval="False"/>
-            <field name="perm_delete" eval="False"/>
-        </record>
-        <record model="ir.model.access" id="access_payment_term_line_account_admin">
-            <field name="model"
-                search="[('model', '=', 'account.invoice.payment_term.line')]"/>
-            <field name="group" ref="account.group_account_admin"/>
-            <field name="perm_read" eval="True"/>
-            <field name="perm_write" eval="True"/>
-            <field name="perm_create" eval="True"/>
-            <field name="perm_delete" eval="True"/>
-        </record>
-
         <record model="ir.ui.view"
             id="payment_term_line_relativedelta_view_list">
             <field name="model">account.invoice.payment_term.line.delta</field>
@@ -112,25 +95,6 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">payment_term_line_relativedelta_form</field>
         </record>
 
-        <record model="ir.model.access" id="access_payment_term_line_relativedelta">
-            <field name="model"
-                search="[('model', '=', 'account.invoice.payment_term.line.delta')]"/>
-            <field name="perm_read" eval="True"/>
-            <field name="perm_write" eval="False"/>
-            <field name="perm_create" eval="False"/>
-            <field name="perm_delete" eval="False"/>
-        </record>
-        <record model="ir.model.access"
-            id="access_payment_term_line_relativedelta_account_admin">
-            <field name="model"
-                search="[('model', '=', 'account.invoice.payment_term.line.delta')]"/>
-            <field name="group" ref="account.group_account_admin"/>
-            <field name="perm_read" eval="True"/>
-            <field name="perm_write" eval="True"/>
-            <field name="perm_create" eval="True"/>
-            <field name="perm_delete" eval="True"/>
-        </record>
-
         <record model="ir.action.wizard" id="wizard_payment_term_test">
             <field name="name">Test Payment Term</field>
             <field name="wiz_name">account.invoice.payment_term.test</field>