Step 1
Select Organization from the side menu, and then click the Name 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 profile on the employee profile (top right corner).
Step 3
Delete the organization name and click Save data on the bottom.
In order to completely remove a given organization from the system, you should repeat this action for all employees who had it added.