diff --git a/addons/mail/security/mail_security.xml b/addons/mail/security/mail_security.xml
index 1e2266a309f..279825269cb 100644
--- a/addons/mail/security/mail_security.xml
+++ b/addons/mail/security/mail_security.xml
@@ -23,8 +23,6 @@
                                 ('group_public_id', 'in', user.groups_id.ids)
                 ]
             </field>
-            <field name="perm_create" eval="False"/><!-- create follows access rules (allowed for internal and system) -->
-            <field name="perm_unlink" eval="False"/><!-- unlink follows access rules (allowed for system) -->
         </record>
 
         <record id="ir_rule_discuss_channel_group_system" model="ir.rule">
diff --git a/addons/mail/tests/discuss/test_discuss_channel_access.py b/addons/mail/tests/discuss/test_discuss_channel_access.py
index bdbdfb45dd7..3b83e155e87 100644
--- a/addons/mail/tests/discuss/test_discuss_channel_access.py
+++ b/addons/mail/tests/discuss/test_discuss_channel_access.py
@@ -123,7 +123,7 @@ class TestDiscussChannelAccess(MailCommon):
             ("user", "group_failing", "member", "read", False),
             ("user", "group_failing", "member", "write", False),
             ("user", "group_failing", "member", "unlink", False),
-            ("user", "group_failing", "outside", "create", True),
+            ("user", "group_failing", "outside", "create", False),
             ("user", "group_failing", "outside", "read", False),
             ("user", "group_failing", "outside", "write", False),
             ("user", "group_failing", "outside", "unlink", False),