Authorizing / De-authorizing Confusion

Sold an older laptop and replacing with a newer one. Digging around to de-authorize the first laptop and finally find the list of devices (I swear it was done within the CC app last time I had to do this). Anyway, I finally find my list of devices and I see at least 4 devices., or, at least, two devices with 2 names each.  I de-authorize the laptop and to avoid any issues I log out my iMac as well. Relaunch CC and I see the following. My iMac is showing up as two separate devices. One labeled as OSX and one as MAC.

Is this a problem?