Prerequisites : Only users with the Administrator role can perform this operation.
Navigate to the Data Source page.
Locate the relevant equipment.
Then, click on the button used to display the list of variables associated with this equipment :
Find the variable you want to delete in the list.
Click on the Delete button, located on the row for that variable.
A confirmation window will appear, asking you to confirm your choice.
To permanently delete the variable, click the Confirm button.
To cancel the operation and keep the variable, click Cancel.
Upon confirmation, the variable you deleted will no longer be present in this list :