The statement "All of the above are traits of Romantic composition" is not correct if we are looking for the option that does not align with Romantic traits. Among the options provided, the "expansion of formal structures to create longer compositions" is less characteristic of Romantic music compared to other traits. While Romantic composers did write longer works, there was also a significant movement towards smaller forms and more intimate settings. Therefore, the correct answer is:
expansion of formal structures to create longer compositions.