PNG ICO ICNS MORE
Fugue
Blue print, subtract, Minus
SkyBlue
16x16
AFFEL
Minus, subtract
256x256
PNG MORE
Austerity
Snow, temperature, Cold
59x60
Mixed
3D
Iconza
remove, Minus, round
32x32
Desktop apps
Glyph
16x16 Free Toolbar Icons
remove, no entry, Closed
Smooth
thermometer, temperature, Cold
UI
Pixel
Fugue Icons
Blueprint, Minus