That means that - as well as the Selects themselves - other items on the menu such as the Big Flavour Chicken Wrap and the Chicken Deluxe Burger are also off the cards because they contain the Chicken Selects.
So, what is behind the chicken shortage? We need to get to the bottom of this before we see the kind of scenes we saw when KFC ran out of chicken a while back.
Well, McDonald's have confirmed that whilst there is a 'temporary' shortage of Selects, some restaurants might run out this week.
Someone on Twitter shared a picture showing sign on a drive thru ordering speaker that said: "Sorry, Chicken Selects and Big Flavour Wraps are currently unavailable due to a Nation Wide Shortage."
Ooft, a nationwide shortage. This is worse than we could have possibly feared.
As well as those mentioned, some restaurants have also been unable to offer the Sweet Chilli Chicken wrap as well as the BBC & Bacon Chicken wrap, according to The Sun.
With the Chicken Deluxe Burger set to leave the menu today anyway, so those who love that particular dish might have missed their last chance to get one for a while.
Hell, some of us are still out here waiting for the McRib to come back.
Let's not hold our breath, eh?
Anyway, the shortage has many people rattled, with some taking to social media to express their displeasure.
One said: "Are McDonald's acc having a shortage of Chicken Selects I'm SCREAMING ffs."
Another wrote: "McDonald's ay, ay, ay sort it out. Got no Chicken Selects, kids are crying. Wife livid, thank God my Nan and Grandad aren't alive to witness this."
Of course, these seem like fairly tongue-in-cheek responses, because getting mad about McDonald's not having a slice of chicken would be bang out of order.
A third person wrote: "Are u joking McDonald's have got rid of Chicken Selects this is genuinely the worst thing that has ever happened to me."
Again, a slightly OTT response.
A spokesperson for McDonald's said: "We are working incredibly hard to get this popular menu item back on sale in our restaurants.
"We know some customers will be disappointed to hear this news, and we would like to apologise for the short term inconvenience."
Maybe just settle for some McNuggets for now?
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