To delete an unassigned measurement, please follow these steps :

1. Navigate to the web dashboard.
2. Click on the measurement you would like to delete in the left column named Dashboard.
   
3. Click again on the said measurement. Measurement Details appears on the right.
   
4. Click on the 3 dots in the top right corner and select Delete.
   
   You will be asked for your confirmation before the measurement is deleted.

Please note that the Unassigned Measures item will only appear when you have at least one unassigned measurement pending.