How to remove CocoaPods from a project?

Question

What\'s the right way of removing CocoaPods from a project? I want to remove the whole CocoaPod. Due to some limitations imposed by my client I can\'t use it. I need to have

Answer 1

If not work, try
1. clean the project.
2. deleted derived data.

if you don't know how to delete derived data go here

How to "Delete derived data" in Xcode6?