object-remove-from-list

object-remove-from-list is a compiled Lisp function in `eieio.el'.

(object-remove-from-list OBJECT SLOT ITEM)

In OBJECT's SLOT, remove occurrences of ITEM.
Deletion is done with `delete', which deletes by side effect,
and comparisons are done with `equal'.
If SLOT is unbound, do nothing.