.
Fan account has also highlighted that Prince Andrew, who stepped down from royal duties last year over the links with Jeffrey Epstein, has had his link to his social media account removed.
The Sun Online has contacted Kensington Palace for a statement.
Prince Harry, 35, and Meghan Markle, 39, were forced to drop the name Sussex Royal when they stepped down from The Firm.
The Queen told them they couldn't use the word "Royal" in their branding after they quit the Firm to become financially independent and live in North America.
The Sussex Royal foundation was launched on July 1 last year, after the couple split from the foundation they shared with Prince William and Kate Middleton.
Last week, it appeared the couple did their second U-turn within a week over the future name of Sussex Royal.
Companies House documents confirmed that paperwork had been formally submitted on behalf of the couple to change the name of their charity to MWX Foundation.
Documents giving notice of the change of name of Sussex Royal The Foundation of the Duke and Duchess of Sussex were first filed last Wednesday – but then withdrawn just nine minutes later.
And Harry and Meghan performed yet another U-turn with paperwork formally submitted to Companies House to change the charity name to MWX Foundation today.
Speculation around what the initials could stand for began last week - with guesses including the Markle Windsor Foundation or possibly the Mountbatten Windsor Foundation.
The Change of Name Notice and a copy of the formal company resolution drawn up on July 1 to change the name appeared on the Companies House website last week.
Even though the full details of the paperwork are not yet visible on the website, the submission of the resolution means that the Sussex Royal name has now been erased.
Racism in the monarchy played a role in Meghan Markle and Prince Harry's decision to leave Royal Family, author claims