There should not be dead keys in de(nodeadkeys)

[xorg/xkeyboard-config] / compat / complete

default xkb_compatibility "complete"  {
    include "basic"
    augment "iso9995"
    augment "mousekeys"
    augment "accessx(full)"
    augment "misc"
    augment "xfree86"
    augment "level5"
    augment "caps(caps_lock)"
};