diff --git a/test/models/contact_test.rb b/test/models/contact_test.rb
index 1083a54f37..942b71b06a 100644
--- a/test/models/contact_test.rb
+++ b/test/models/contact_test.rb
@@ -265,9 +265,8 @@ def test_unlinked_scope_returns_unlinked_contact
 
   def test_unlinked_scope_skips_contact_that_is_linked_as_registrant
     contact = unlinked_contact
-    domains(:shop).update_columns(registrant_id: contact.becomes(Registrant))
+    domains(:shop).update_columns(registrant_id: contact.becomes(Registrant).id)
 
-    reload
     assert Contact.unlinked.exclude?(contact), 'Contact should be excluded'
   end
 
diff --git a/test/tasks/contacts/archive_test.rb b/test/tasks/contacts/archive_test.rb
index cd137a8c4d..a22110ae3c 100644
--- a/test/tasks/contacts/archive_test.rb
+++ b/test/tasks/contacts/archive_test.rb
@@ -36,7 +36,7 @@ def archivable_contact
 
   def eliminate_effect_of_all_contacts_except(contact)
     Contact.connection.disable_referential_integrity do
-      Contact.delete_all("id != #{contact.id}")
+      Contact.where("id != #{contact.id}").delete_all
     end
   end