How to exclude internal traffic in search console?

Hello,

Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.

It is not possible to exclude internal traffic/searches from Google Search Console. You can refer to the following page for more information:
https://support.google.com/webmasters/thread/194889462/how-to-exclude-site-owner-search-activity-from-google-search-console-data?hl=en

Also, here is a guideline for how to exclude internal traffic from Google Analytics:
https://support.google.com/analytics/answer/1034840?hl=en#zippy=

If you need further assistance, please don’t hesitate to contact us.

Thank you