font-lock-removed-keywords-alist

font-lock-removed-keywords-alist is a variable defined in `font-lock.el'.
Its value is

nil

Documentation:
Alist of `font-lock-keywords' elements to be removed for major modes.

Each element has the form (MODE . KEYWORDS). Function `font-lock-set-defaults'
removes the elements in the list KEYWORDS from `font-lock-keywords'
when Font Lock is turned on in major mode MODE.

This is normally set via `font-lock-add-keywords' and
`font-lock-remove-keywords'.