Old hat

Oliver. What was the address about, to begin with? / Willie. Oh, the same old hat—Freedom.

We curved through the bright mile or two of the Strip, […] past the Georgian-Colonial vogue, now old hat, past the handsome modernistic buildings in which the Hollywood flesh-peddlers never stop talking money, […]

[Noël] Coward is such an old hand at this kind of thing that he makes it seem old hat.

In fact, monorails are rather old hat.

[I]t is old hat for a sex scandal to bring down a politician.

As for the greeting she [Elizabeth II] and her husband, Prince Philip, Duke of Edinburgh, received when they arrived outside the Capitol about 3:30 p.m. – well, based on the size of the crowd, perhaps the queen is old hat.

The only real knock against "Mortshall" is that "Rick and Morty get sick of each other and split up for a while" feels kind of old hat at this point—the comic premise of the show requires their relationship to be toxic (because a lot of the humor comes from seeing Rick be a shit and seeing Morty try haplessly to deal with Rick being a shit), and they can only try and sell the illusion that anything is going to change so many times before it starts to get stale.

I ſhall conclude this learned Note vvith remarking, that the Term Old Hat, is at preſent uſed by the Vulgar, in no very honourable Senſe.

Old hat; a vvoman's privities: becauſe frequently felt.

'Tis a Nest, a Niche, an Old Hat, an Omnibus, an Oyster, a Palace o' Pleasure.