The most common and most likely answer to this crossword clue is the 7 letter word POLLARD
I've seen this crossword clue in Independent
P
O
L
L
A
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D
More clues leading to the result POLLARD
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The straight part
We know that "remove crown" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case remove crown = pollard.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does POLLARD mean?
POLLARD noun- A pruned tree; the wood of such trees.
- A buck deer that has shed its antlers.
- A hornless variety of domestic animal, as cattle or goats.
- A European chub (Squalius cephalus, syn. Leuciscus cephalus), a kind of fish.
- A fine grade of bran including some flour.
- A 13th-century European coin minted as a debased counterfeit of the sterling silver penny of Edward I of England, at first legally accepted as a halfpenny and then outlawed.
- To prune a tree heavily, cutting branches back to the trunk, so that it produces dense new growth.