How to remove a field from params[:something]

Question

My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefo

Answer 1

To be possible to delete you can do a memo:

def parameters
  @parameters ||= params.require(:root).permit(:foo, :bar)
end

Now you can do:

parameteres.delete(:bar)

parameters
=>  "foo"} permitted: true>