Logic Pro X keyboard command of the day. #LogicProX @StudioIntern1

  Delete inside Locators

This appears to only apply to MIDI regions.

te and delete regions and events — Logic Pro X

Inside or Outside Locators: Erases all MIDI events inside/outside the locators.

⇧ SHIFT – ⌃ CONTROL – ⌥ OPTION – ⌘ COMMAND