Antonyms for "makes necessary" include terms like "eliminates the need for," "renders unnecessary," "makes redundant," and "dispenses with." These are all terms that suggest the opposite of making something necessary or essential. Instead, they imply that something is optional, no longer needed, or superfluous. For example, if a new technology eliminates the need for a particular job skill, it renders that skill unnecessary. Similarly, if a process is streamlined, it may make redundant certain steps that were previously deemed necessary. By understanding these antonyms, we can expand our vocabulary and express ideas more precisely.