Is there a way to exclude files from the ember serve watcher?

Is there a way to exclude files from the ember serve watcher?

We found using Windows machines that our build time was getting ridiculous. To help improve that we removed the scss compilation to an external watcher (which cuts our build time in half).

Unfortunately however running ‘ember serve’, when the other watcher rebuilds the files ember detects that and rebuilds it’s own code. Which is of course completely unnecessary since those files in no way affect it’s own compiled output.

Subsequently, is there way to prevent the rebuild if those files change?