Don't upload content of folder to Google Drive

How exactly do you keep Insync from uploading the content of a folder to Google Drive? I only want the files to be on my local computer but not on Google Drive. Insync seems to ignore the Selectively sync checkbox so I am wondering.

Selective sync is only meant to keep files in Google Drive from being downloaded to the local computer. It doesn’t keep local files within the Insync main folder from being uploaded.

You must move the folder out of the Insync main folder to prevent uploading.