I ran `rails generate model XXXX user_id:integer stream_url:text` etc

I noticed that `t.timestamps` was part of the migration file. Can I manually remove this line without causing any problems in the future?

I searched and couldn't find an answer. I just wanted to check in advance before it causes issues down the line. 

I'm trying to follow the steps in this link <http://ckdake.com/content/2010/posting-to-twitter-from-a-ruby-on-rails-app.html> to use the twitter gem