Turn off automatic manager assignment

Summary:

Hello,

When I hire an employee, oracle automatically assigns me as the employee's manager.

For example: When Anna hires Sara, Anna becomes Sara's manager.

How can I disable this option?

Thanks,

Annapia

Content (please ensure you mask any confidential information):

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

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