wp_delete_object_term_relationships()

wp_delete_object_term_relationships() — Unlinks the object from the taxonomy or taxonomies. Will remove all relationships between the object and any terms in a particular taxonomy or taxonomies. Does not remove the term or taxonomy itself.

Inputs: $object_id (int): The term object ID that refers to the term. $taxonomies (string|array): List of taxonomy names or single taxonomy name.