I believe you. To be frank, I wouldn't include it either unless someone insists, in which case x is better than d--even in places as far away as Australia. Also, as said there, D typically stands for disabled in the States.
By the way, I don't agree with Little Balu's comment. The legal requirement can be fulfilled in other ways (to which I alluded by saying "phrase it differently").
According to one of the UK links I posted (2nd KudoZ Q), "you could include in the advert a statement of commitment to equal opportunities, which will underline your organisation as one that welcomes applications from all sections of the community."
In the US, it seems to have gotten really complicated. Just take a quick look at what is no longer acceptable:
https://www.hrsource.org/maimis/Members/Articles/2015/07/Jul...Sebastian may know what I'm talking about when I say this is similar to the receipts you get when buying things at a German supermarket. They have the store's T&Cs printed on them and are thus so excruciatingly long (even if you buy few items) that no one has time to read them...
Best wishes