Charm Frenchman removed in race course (5)

I believe the answer is:

ascot

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'race course' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

(Other definitions for ascot that I've seen before include "Royal race meeting venue" , "prestigious meeting" , "where some of our betters may be" , "course without any fences!" , "English racecourse in Berkshire" .)

I've seen this clue in The Telegraph.

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