diff --git a/product.py b/product.py
index b3d0aead5f..00e5904607 100644
--- a/product.py
+++ b/product.py
@@ -300,6 +300,11 @@ class ProductSupplier(
     uom = fields.Function(
         fields.Many2One('product.uom', "UOM"), 'on_change_with_uom')
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.update(['product', 'template'])
+
     @classmethod
     def __register__(cls, module_name):
         transaction = Transaction()
@@ -460,6 +465,11 @@ class ProductSupplierPrice(
         fields.Many2One('currency.currency', 'Currency'),
         'on_change_with_currency')
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('product_supplier')
+
     @classmethod
     def __register__(cls, module_name):
         cursor = Transaction().connection.cursor()
diff --git a/purchase.py b/purchase.py
index 8cb6451c04..1d4c643311 100644
--- a/purchase.py
+++ b/purchase.py
@@ -1169,6 +1169,11 @@ class Line(sequence_ordered(), ModelSQL, ModelView):
         fields.Many2One('currency.currency', 'Currency'),
         'on_change_with_currency')
 
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.__access__.add('purchase')
+
     @classmethod
     def __register__(cls, module_name):
         super().__register__(module_name)
diff --git a/purchase.xml b/purchase.xml
index b497bac44d..c5395b0868 100644
--- a/purchase.xml
+++ b/purchase.xml
@@ -387,30 +387,6 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">purchase_line_tree_sequence</field>
         </record>
 
-        <record model="ir.model.access" id="access_purchase_line">
-            <field name="model" search="[('model', '=', 'purchase.line')]"/>
-            <field name="perm_read" eval="False"/>
-            <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_purchase_line_purchase">
-            <field name="model" search="[('model', '=', 'purchase.line')]"/>
-            <field name="group" ref="group_purchase"/>
-            <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.model.access" id="access_purchase_line_account">
-            <field name="model" search="[('model', '=', 'purchase.line')]"/>
-            <field name="group" ref="account.group_account"/>
-            <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.ui.view" id="product_supplier_view_form">
             <field name="model">purchase.product_supplier</field>
             <field name="type">form</field>
@@ -465,22 +441,6 @@ this repository contains the full copyright notices and license terms. -->
             <field name="rule_group" ref="rule_group_product_supplier"/>
         </record>
 
-        <record model="ir.model.access" id="access_product_supplier">
-            <field name="model" search="[('model', '=', 'purchase.product_supplier')]"/>
-            <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_product_supplier_admin">
-            <field name="model" search="[('model', '=', 'purchase.product_supplier')]"/>
-            <field name="group" ref="product.group_product_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="product_supplier_price_view_form">
             <field name="model">purchase.product_supplier.price</field>
             <field name="type">form</field>
@@ -512,22 +472,6 @@ this repository contains the full copyright notices and license terms. -->
             <field name="action" ref="act_product_supplier_price_form"/>
         </record>
 
-        <record model="ir.model.access" id="access_product_supplier_price">
-            <field name="model" search="[('model', '=', 'purchase.product_supplier.price')]"/>
-            <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_product_supplier_price_admin">
-            <field name="model" search="[('model', '=', 'purchase.product_supplier.price')]"/>
-            <field name="group" ref="product.group_product_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="template_view_form">
             <field name="model">product.template</field>
             <field name="inherit" ref="product.template_view_form"/>