Drop the 3rd entirely and the chord stops being major or minor — just root, 5th, and weight. Subtraction is also color: the ambiguity is the sound of every distorted rhythm guitar you've ever loved.
movesthe 3rd LEAVES — major and minor blur into pure weightsolo·singyour melody now decides major or minor — the chords abstain; minor pentatonic rides freeon recordSmells Like Teen Spirit — Nirvana (power chords carry the whole form)try itPlay your chorus in fifths only. Notice how much bigger 'less' sounds with drive.