How to banish wifi network from laptop but leave it enabled for iPhone There is a wifi network that I don't want my macbook to ever connect to. However, I do want my iPhone to connect to it. How can this be done?

I've looked in the wifi settings on my mac and I can remove the network in the advanced settings, but that will remove it from my iCloud credentials and prevent my iPhone from connecting to it.
There are several options that you can give a try on this post

Selectively disable iCloud keychain syncing for WiFi passwords