non·is·sue 
/ˈnɑ:nˈɪʃu/ noun
plural non·is·sues /ˈnɑ:nˈɪʃu/ noun [count] : an issue that is not important : something that people are not concerned about — usually singular ▪ She's very good at her job. Her disability is a nonissue. ▪ The fact that one of the candidates is an immigrant is a nonissue. [=people do not care that the candidate is an immigrant]
