Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I havesearched for related issues and found none that matched my issue.
• I haveread the FAQ and my problem is not listed.

Playground Link

https://typescript-eslint.io/play/#ts=5.3.3&fileType=.tsx&code=GYVwdgxgLglg9mABFApgZygCjALkWEAWwCMUAnASkQG8BYAKEUTQHcYoIALRbKuxpoggBDNCkQBGPGRRQQZJACYA3A0FDR4xdNnykAFlUCmAExTBhIADZQdchYgBsRpgF8G7%2BkA&eslintrc=N4KABGBEBOCuA2BTAzpAXGUEKQAIBcBPABxQGNoBLY-AWhXkoDt8B6ZAd0vzIAt6AHrwCGsZPkoA3RExTJafRGQDW6MAG1IiaNAD20SABpMUYfHi6OAEUQAzUfHwBhYckQAxfQFEho8VMQAZS4eXjV7eDcwAF8AXXAYkGigA&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false

Repro Code

functiontest(n:number){switch(n){case1:return2;case2:return4;default:return6;}}

ESLint Config

module.exports={parser:"@typescript-eslint/parser","rules":{"@typescript-eslint/switch-exhaustiveness-check":["error",{"allowDefaultCaseForExhaustiveSwitch":false}]}};

tsconfig

{"compilerOptions": {// ...  }}

Expected Result

No error.

Actual Result

The switch statement is exhaustive, so the default case is unnecessary. 5:5 - 5:23

Additional Info

No response