rails 4 user update_without_password

user.rb

class User < ActiveRecord::Base
  .....
  
  # password section
  has_secure_password
  validates :password, length: { in: 6..30 }, if:->{password.present?}
  
  .......
  
  def update_without_password(params = {})
    params.delete(:password)
    params.delete(:password_confirmation)

    result = self.update_attributes(params)
  end
  
  .......

    
end