NET
4 nor to occupy themselves with myths and interminable genealogies. Such things promote useless speculations rather than God’s redemptive plan that operates by faith.
Darby
4 nor to turn their minds to fables and interminable genealogies, which bring questionings rather than [further] God's dispensation, which [is] in faith.
KJV
4 Neither give heed to fables and endless genealogies, which minister questions, rather than godly edifying which is in faith: [so do].