```ruby
# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.

class ApplicationController < ActionController::Base
  helper :all
  protect_from_forgery
  respond_to :html, :js, :xml, :json
  filter_parameter_logging :password
end
```

Revert "Add default respond_to formats to ApplicationController."
user
```ruby
# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.

class ApplicationController < ActionController::Base
  helper :all
  protect_from_forgery
  filter_parameter_logging :password
end
```
assistant