How to turn off remote connection on gear s2 remotely?

[AC Question]

Well this might be a stupid question, I have helped a friend set up their gear s2 with my phone via Bluetooth. He told me later that even when it wasn't connected to my phone that he would still recieve my notifications. I made a few searches and found about the remote connection. I want to make sure that my phone is no longer Paired with his and wondering if there's a way to find out. The gear manager app asks me to connect to a gear to get to the settings and disable the option but I don't have one.

Thanks