Fingerprints that are not required should be removed from the Samsung device for security reasons. Special techniques can also be used to trick the fingerprint sensor. The more fingerprints that are registered, the easier it is for unauthorised persons to obtain a matching fingerprint.

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Biometrics and security
Step 3:  Tap on  Fingerprints
Step 4:  Enter  PIN / Password / Pattern
Step 5:  Tap on desired  Fingerprint
Step 6:  Tap on  Remove
Step 7:  Confirm with  Remove
  1. Open the Settings
  2. Tap on Biometrics and security
  3. Tap on Fingerprints
  4. Enter PIN/Password/Pattern
  5. Tap on desired Fingerprint
  6. Tap on Remove
  7. Confirm with Remove

Samsung Instructions
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