"/setblock ~ ~ ~ minecraft:glow_lichen" will create glow lichen without hitbox(down, east, north, west, south, up are set to false) but the light will still there.
https://1drv.ms/v/s!Aht6pvZkAWOXgXUx9ck5kYBCebqF?e=0McDes
MC-212322
Glow lichen creates phantom light if it /setblock
Resolved
Duplicate
0
■■■
(Unassigned)
Unconfirmed
(Unassigned)
21w03a
Retrieved
Duplicate of MC-212145