In order to remove users and reduce your the cost of your subscription follow the steps below:
1. Navigate to Team users
2. Delete the unwanted users (Their leads and contacts will be re-allocated to your primary user/admin)
3. Once you've remove your users navigate to the "manage your account" page located in the top right menu where your name is displayed.
4. Besides where your license volume is click update
5. Select the remove option at the checkout and follow the proceeding steps to reduce your monthly cost.