Safely Removing Parallels' Network Guest & NAT ?

Hi,

I just switched back from Fusion (found it significantly slower than Parallels - albeit more fully integrated) and have a question based on the following:

Fusion appears to use OSX's internet connection, while Parallels installs two 'services': Parallels..-Guest and Parallels NAT, both of which appear to be generating IP addresses within my MBP.

I attributed this to Parallels using a Shared connection. I have since then switched to a Bridged connection and rendered the aforementioned services inactive.

So far, PD seems to be able to connect to the internet without any issues, which leads me to the following question; Can I safely remove the two PD services from the Network pane in System Preferences, and will this removal have any adverse effects on PD ?

Thanks