Home » Tip of The Day » Delete a Brush From The Brush Preset PickerDelete a Brush From The Brush Preset Picker February 4, 2016. Posted in: Tip Of The Day. To delete a brush from the Brush Preset Picker hold the Alt (Mac: Option) key, and the cursor will turn to a black arrow with scissors, then hover over any brush preset and click to delete it. « Previous Photoshop Tip: | Next Photoshop Tip: » Sign-up for the PTC Newsletter so that you'll never miss a tutorial!. Your Email Address: