org-clock-remove-overlays
org-clock-remove-overlays is an interactive autoloaded Lisp function in `org-clock.el'.
(org-clock-remove-overlays &optional BEG END NOREMOVE)
Remove the occur highlights from the buffer.
BEG and END are ignored.  If NOREMOVE is nil, remove this function
from the `before-change-functions' in the current buffer.