3811195 - Why are the unused tickets not being removed when using the Import Data Tool?

I uploaded an unused ticket file in Import Data to remove unused tickets, but they were not removed. How can I remove tickets from the unused ticket list using the Import Data tool?

You can use the Unused Ticket template in the Import Data tool to add or remove multiple unused tickets from user profiles. The unused tickets must be in the same company configuration. , KBA , CON-TRV-ADM-UUT , Unused Tickets , CON-CA-CMP-IMD , Import Data , Problem