fol-de-rol
dead donkey
vain
much ado about nothing
pettyfogging
futility
trivially
waste of effort
waste of energy
piddling
inutility
fribble
bang one's head against a brick wall
blivit
as much use as a chocolate fireguard
picayune
nignay
sleeves from one's vest
unuseful
tenuity
better than nothing
fart in a windstorm
readiness
facility
unavailing
twopenny
negligible
good for nothing
fizzle
dross
good-for-nothing
drop in the bucket
pap
careless
useless
oversimplicity
tempest in a teapot
pablum
garbageness
trivialization
insignificancy
nit-noid
rest
fanny about
holding pattern
little
paltry
trivialism
frippery
inane
fusspot
bastardly
bauble
supertrivial
flizz
noise
squat
diddly-squat
drain
diddly-shit
with one's eyes closed
yeasty
pointlessly
draffish
uninteresting
penny-ante
frou-frou
doodly-squat
jack
diddlyshit
diddlysquat
shit
no big deal
unyieldly
diddley
diddly
purposelessness
disutility
dormancy
strikeout
quiescency
bore
make a federal case out of something
quiescence
squirrel cage
lean and mean
sweer
detail
inanity
save
make unnecessary
fool's errand
losel
unsufficient
waste
blivet
vacuitous
footling
tinker's damn
skin of the teeth