You can unfollow people and/or companies without removing the connection. I go through people I follow about once every 6 to 8 weeks and remove everyone who isn't contributing much to my feed or even worse, only contributes bullshit.

If someone appears in my feed with bullshit posts several times in a short time, I'll just get rid of them. I want my feed to be cleanish and only see relevant things. That's helps tremendously to engage easily.