Hi Murgrim,  Thanks for the reply.  Generally, unless something is in the public domain (sorry if that is a US-specific term), or we have explicit permission to use it (like Bing aerial imagery), it can't be used to edit OSM. It should be possible to get the XML from your changeset, pull it into JOSM, where you can remove the stuff that was from Google Maps and then upload.  I haven't done this before but can try to help.