You can always remove an occupier from an open issue if you wish.
You will be able to see the occupier on the 'Next steps' tab where all of the people involved with the issue are displayed:
To remove the occupier you will want to click on the 'Edit' button:
This will take you through to a page where you will want to click on the 'Occupier set up' tab:
Here you will find a 'Detach' button - by clicking on this you will detach the occupier from the issue:
You will then see the following pop up:
To continue you will have to click on 'Yes (detach occupier)' and then the occupier will no longer be attached to that particular issue and will no longer appear with the other people involved with the issue. The 'Occupier' will no longer show: