Codesign error: Certificate identity appearing twice

Question

CodeSign error: Certificate identity \'iPhone Developer: XXXX (12345678)\' appears more than once in the keychain. The codesign tool requires there only be one.

So I

Answer 1

In my case deleting the certificates didnt work. XCode 4 seems to cache or restore them. The trick that finally worked for me was to have keychain and xcode running. Then in keychain drag my 2 certificates (dev+dist) from 'login' to 'system'. Then the duplicates magically reappeared and i was able to delete them, and then i dragged the certificates back to 'login'