Lease Accounting - How to reverse a Lease

I have a lease I need to back out. I understand that once it is in that
there is no way to truly reverse it. Wanted to see if the group knew of
a way to do this or if there was some way to do this cleanly. I
terminated the lease for the same day it went in in the test environment
to see what would happen. For the most part it zero’s out but leaves
one day of amortization. Which is odd. It is like it went in at 12 AM
and then terminates at 11:59 PM or something. I thought it would