The most common and most likely answer to this crossword clue is the 11 letter word INALIENABLE
I've seen this crossword clue in The Sunday Telegraph
I
N
A
L
I
E
N
A
B
L
E
More clues leading to the result INALIENABLE
Buddy explains!
The straight part
We know that "Never to be removed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case never to be removed = inalienable.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 INALIENABLE mean?
INALIENABLE adjective- Incapable of being alienated, surrendered, or transferred to another; not alienable.
- (grammar) Of or pertaining to a noun belonging to a special class in which the possessive construction differs from the norm, especially for particular familial relationships and body parts.