text: how to erase bad credit from credit score? bankrupcy and repo on bankrupcy and $1500.00jewlery but has been almost 7yrs judgement in 2000 but paid off you can't erase bad credit unless it is wrong. you need to wait for the usual 10 years for bankrupcy and 7 years for all other negative items on your report to drop. in the mean time, you should still use your credit cards, apply for loans, pay them on time and every time, keep your debt ratio low. this way, you can slowly repair and increase your credit but not erase.