The instinct to close a credit card you no longer use feels responsible — clean up the wallet, simplify the financial life, reduce the surface area for fraud. The mechanics of credit scoring don’t reward that instinct. Closing an old card can drop your score by 20 to 80 points, sometimes more, often for reasons that won’t fully reverse for years. Understanding why is the difference between a tidy wallet and an avoidable hit to your borrowing power right when you need it.
What closing a card actually does to your score
FICO and VantageScore both weight two factors that closing an old card directly damages. The first is credit utilization — the ratio of your balances to your total available credit. Close a card with a $10,000 limit and your total available credit drops by $10,000. If you carry $3,000 across other cards, your utilization just jumped from, say, 15% to 30%, which can move your score immediately. The second is length of credit history. Closed accounts in good standing remain on your report for about ten years, but eventually fall off — and when they do, your average account age drops, sometimes meaningfully. A closed card from 2008 is helping your score today. Closing it now starts a clock.
When closing actually makes sense
There are real scenarios where closing is correct. Annual fees on cards you no longer use generate guaranteed annual cost for marginal score benefit — often the right move is to call and request a downgrade to a no-fee version of the card, which preserves the account history while eliminating the fee. Cards held by an estranged spouse on a joint account, cards from issuers you’ve had fraud problems with, and store cards with predatory terms are all reasonable closures. The general principle: close cards that cost money, expose you to risk, or tempt overspending you can’t control. Don’t close cards that are simply old and unused — those are unambiguously helping your file.
The fraud and inactivity worry
People sometimes close unused cards out of fear of fraud or because they assume the issuer will close inactive accounts. Both concerns are softer than they appear. Modern issuers offer real-time alerts, virtual card numbers, and fraud liability protection that limit your exposure on inactive cards to nearly zero. Issuers do close inactive accounts, but the threshold is typically 12 to 24 months of zero activity, and a single small charge once or twice a year — set on autopay for a streaming service, paid off automatically — keeps the account alive at no cost. That tiny effort preserves a credit history asset that took years to build.
The takeaway
Old credit cards are quietly some of the most valuable items in your financial life. They lower your utilization ratio, lengthen your credit history, and signal stability to future lenders — all without requiring you to use them. Unless they’re costing you money, exposing you to risk, or driving spending you can’t control, the right answer is almost always to keep them open, run a small recurring charge through them, and forget about them. The wallet doesn’t need cleaning. The score does.
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