wp-admin/includes/class-wp-screen.php:525Removes all options from the screen.
public function remove_options() { $this->_options = array(); }Introduced in 3.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-screen.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.