If new wave "died" in 84-85, that would mean:
Celebrate the Nun – Meanwhile (1989)
Kraftwerk – Electric Café (1986)
Boys Don't Cry – Boys Don't Cry (1986)
Depeche Mode – Black Celebration (1986)
Secession – A Dark Enchantment (1987)
Pete Shelley – Heaven and the Sea (1986)
Camouflage – Voices & Images (1988)
Red Flag – Naive Art (1989)
Book of Love – Book of Love (1986)
Book of Love – Lullaby (1988)
China Crisis – What Price Paradise (1986)
Men Without Hats – Pop Goes the World (1987)
Erasure – Wonderland (1986)
Dead or Alive – Mad, Bad and Dangerous to Know (1986)
Information Society – Information Society (1988)
Images in Vogue – The Spell (1988)
Boytronic – Love for Sale (1988)
Until December – Until December (1986)
are not new wave. While I agree new wave was at its height and very best during the late seventies until about 1985, the genre didn't outright "die". Perhaps it evolved, just like every other genre.