It is not possible to delete Room but, we can Inactivate room from the system.
Location:
eZee Frontdesk Configuration >> Property Setup >> Room Operation
How to Access:
Kindly follow below steps to inactive room
Note: If room used by any operation or transaction then you are not able to inactive room
Screenshot 1: Edit Room >> >>Check mark on “Inactive Room” box >> Save
Screenshot 2: You can find out here inactive room list with red color