Step 1
Select Organization from the side menu, and then click Details next to the account of the employee who is assigned to the organization you want to remove. You can sort the list of employees by the organization filter.

Step 2
Click ‘Edit’ on the employee profile.

Step 3
Delete the organization name and click ‘Save’.

In order to completely remove a given organization from the system, you should repeat this action for all employees who had it added.