How do I mass delete photos from my iPhone in Yosemite / iOS 8?

I previously used Image Capture (ie. this solution: How to mass delete your photos in your iPhone?). It seems like the delete functionality was removed in Yosemite. Now what? I have 800+ photos and I don't want to select them one by one.

When I connect to iTunes, it says "iCloud Photos is On" - and does not allow me to sync through iTunes.

Turning off iCloud Photos Beta and restarting my iPhone worked, then the option returned in Image Capture. Seems to be a bug in iCloud Photos Beta

I'm using OS/X Yosemite Public Beta. The delete functionality does work out of Image Capture, but the control is not in the menu toolbar. The delete icon on the bottom of the window works (red circle with slash).