- Navigate to the web dashboard.
- Click on the widget corresponding to the type of data you want to delete.
- Click on your measurement to open the Details menu.
- Click on the bin at the top right corner to delete your measurement.
You will be asked for a confirmation before the data is deleted.
https://support.withings.com/hc/en-us/sections/6216071736593-Withings-Web-App
https://support.withings.com/hc/en-us/sections/200336437-Tutorials