Let me know if you had followed the setup and using correct version. https://experienceleague.adobe.com/docs/experience-manager-learn/getting-started-with-aem-headless/graphql/multi-step/setup.html?lang=en

Hi @DennisBonillaR , If you remove the Js file ensure that it has been removed from js.txt also.Did you tried to debug the clientlibs and check if the codes are still there ?Also try to remove the cache and check again.