Disable User Join and Left notifications for channel members

Hello Everyone.

I am owner of a team channel. Mainly my work is to add or remove a member from our teams group as assigned by higher management. The main thing I want to discuss is whenever I add or remove a member in that particular group, a message appears in the group says "ABC has added XYZ

to the team" or "ABC has removed XYZ from the team". I am searching for the option where I can turn off User Join/Remove notifications for the group members. My Manager only wants that members of that particular group/team should only see important notifications in the group.

Any assistance in this regard is highly appreciated.

Regards.