Why the category manager is defaulting for the collaboration team member

Summary:

We have seen that when we are creating any negotiation, automatically the negotiation creator has been added to the collaboration team member list, we are trying to remove that, but we are unable to remove.

Content (please ensure you mask any confidential information):

Please help us, how to remove the defaulted collaboration team member. Because, he has full access to change the scoring.

Version (include the version you are using, if applicable):

24B (11.13.24.04.0)

Code Snippet (add any code snippets that support your topic, if applicable):