diff --git a/spec/lib/open_project/costs/default_data_spec.rb b/spec/lib/open_project/costs/default_data_spec.rb
index e2d666b954..1b6c115f2f 100644
--- a/spec/lib/open_project/costs/default_data_spec.rb
+++ b/spec/lib/open_project/costs/default_data_spec.rb
@@ -44,7 +44,7 @@ describe OpenProject::Costs::DefaultData do
   end
 
   it 'is not loaded again on existing data' do
-    member.permissions.clear
+    member.permissions = []
     member.save!
 
     seeder.seed!
diff --git a/spec/models/work_package/ask_before_destruction_spec.rb b/spec/models/work_package/ask_before_destruction_spec.rb
index 3ba8e9c470..08cccee066 100644
--- a/spec/models/work_package/ask_before_destruction_spec.rb
+++ b/spec/models/work_package/ask_before_destruction_spec.rb
@@ -192,7 +192,7 @@ describe WorkPackage, type: :model do
 
       before do
         work_package2.save!
-        role2.permissions << :edit_cost_entries
+        role2.add_permission! :edit_cost_entries
         role2.save!
         member2.save!
       end