Dic: with a clean slate, wipe the slate clean

• The proposal is to pay everything you owe, so that you can start with a clean slate. 
• Why not wipe the slate clean and start all over again?

PHRASE | If you start with a clean slate, you do not take account of previous mistakes or failures and make a fresh start.

PHRASE : V inflects | If you wipe the slate clean, you decide to forget previous mistakes, failures, or debts and to start again.

.... Cobuild