Both Uses

immaterial
in
Dr. Jekyll and Mr. Hyde
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I began to perceive more deeply than it has ever yet been stated, the trembling immateriality, the mist-like transience of this seemingly so solid body in which we walk attired.†
p. 85.1 *
I knew well that I risked death; for any drug that so potently controlled and shook the very fortress of identity, might by the least scruple of an overdose or at the least inopportunity in the moment of exhibition, utterly blot out that immaterial tabernacle which I looked to it to change.†
p. 85.9

Definitions:

(1) (immaterial as in: immaterial to the problem at hand)
not important, or not relevant to the matter at hand

"Immaterial" is a commonly heard objection to introducing evidence or an argument in court.
(2) (meaning too rare to warrant focus)
not having physical substance