No idea what it was added for since it's from a few million Minecraft versions ago, but apparently it's causing problems with fluid handlers that are also blocks

https://github.com/blay09/CookingForBlockheads/blob/1.15.x/src/main/java/net/blay09/mods/cookingforblockheads/block/SinkBlock.java#L102

Seems to be causing a dupe bug with pneumaticcraft.

TeamPneumatic/pnc-repressurized#476