The British Royals Message Board: Andrew's ducal arms were granted in 1986

And as I stated correctly - the York arms granted at the time of his marriage in 1986. Now also removed wherever those arms were displayed. His arms as a prince was always just an automatic tradition given to any prince. The only interesting thing about the princely arms is that it's an historic first for any sovereign to subsequently remove them. But it would be interesting to know what remains to him at this point, since someone who can show descent even in a commoner family that has an heraldic coat of arms can always use that, and by the same token someone who is a legitimate descendant in the present house of Mountbatten-Windsor can claim use of what basic heraldry?

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That "personal grant" you reference is surely the Dukedom of York at the time of his marriage - so in due course any heraldic reference or detail attached to that dukedom will be removed in due time by the College of Heralds...if it hasn't already happened

No, I am referring to Andrew’s grant of arms, which he received in 1963 when he was not yet three years old: https://www.gettyimages.ca/detail/news-photo/the-coat-of-arms-designed-for-prince-andrew-news-photo/3421907

You can see that the original grant obviously does not include the Garter, which he had not yet received.

The Dukedom of York was not represented in Andrew’s arms whatsoever — his coronet of a Child of the Sovereign always outranked a ducal coronet; the aforementioned coronet is not tied to the title or rank of Prince or the style of Royal Highness, so his arms should be identical now to those linked above. So, Andrew was granted arms, supporters, and a crest, with the coronet of rank automatically being applied because he is the child of a sovereign.