The bizarre images have been posted online as some of the worst examples of their kind.
These no brainers often attempt to remind you of things you were never going to forget anyway.
One pic warns you that fire is hot, while another tells you that peanuts contain peanuts.
Some might call these posters a victory for common sense.
Below, we take a look at some of the most pointless ones.
Wheelie useless
Sign of the times
No sit Sherlock
Fishy business
Airport's orders
Hanger on there…
Hand on a minute…
Water pointless sign
Loo are crazy
By the book
Nut necessary
Toilet humour
Drink to that
Dirty work
Don't sit over chair
Are loo serious?
Food for thought
Lift off
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