```ruby
# Read about factories at https://github.com/thoughtbot/factory_girl

FactoryGirl.define do
  factory :local_government_area do
    sequence(:name) { |n| "LGA #{n}" }
    sequence(:alias) { |n| "LGA_#{n}" }
  end
end
```

Remove alias from LGA factory
user
```ruby
# Read about factories at https://github.com/thoughtbot/factory_girl

FactoryGirl.define do
  factory :local_government_area do
    sequence(:name) { |n| "LGA #{n}" }
  end
end
```
assistant