A location can be removed from a location group in two ways:
1) Edit the location by going to Settings > Locations and select the desired location. Scroll down to the Location Groups field, here you can see the location groups associated with the location and add or remove by pressing the 'x' next to the location group:
Press Save when finished to finalize your changes.
2) Edit the location group by going to Settings > Location Groups and selecting the desired location group. Once there, in the upper right select the 3 dots to view more options, and choose Edit:
Here you can view the list of Available Locations and Selected Locations. To remove click the box next to the location(s) and select delete.
Press Save when finished to finalize your changes.
If further assistance is required, submit a ticket to Punchh Support. (For help submitting a ticket, click here)