Can i unredeem code

I buy a C&C 4 DVD and I install in my notebook with this origin id

After that

I buy a C&C ultimate collection and i install C&C 4 in my desktop pc with same origin id

but i can't play it on two computer because system not allow to login two computer with 1 id.

so i want to unredeem code for one code from DVD to redeem it on the other account . 
Can i do that?