We're afraid so. The whole point of a time-lock is to provide customers extra protection and make it more difficult to withdraw funds. If this could be circumvented then it would negate the whole point of the time-lock in the first place.
We hope that 7-days is a reassuringly annoying length of time to wait. Not so long that it can cause issues if you really need the money, whilst at the same time being long-enough to offer the protection you wanted in the first place.