Source

File: wp-includes/class-wp-customize-widgets.php

protected function stop_capturing_option_updates() {
		if ( ! $this->_is_capturing_option_updates ) {
			return;
		}

		remove_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10 );

		foreach ( array_keys( $this->_captured_options ) as $option_name ) {
			remove_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) );
		}

		$this->_captured_options            = array();
		$this->_is_capturing_option_updates = false;
	}