# Discard calibration locally

In some cases, it may be necessary to discard calibration locally.

Tap the Boomerang 3 measuring point name in the upper right corner of the calibration row to open a dialog.

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Tap OK to delete the calibration.

After this it may be necessary to [cancel-calibration-in-b3](https://help.boomerang3.com/boomerang-3-calibration-app-manual/calibration-in-boomerang-3/cancel-calibration-in-b3 "mention").