You should not rack it to secondary. You can improve clarity with a/ simply waiting longer in primary for more particulate matter to settle, b/ cold-crashing to promote yeast settling, c/ clarifying agents like irish moss, gelatin, clarityferm, &c, d/ careful racking.:
- simply waiting longer in primary for more particulate matter to settle
- cold-crashing to promote yeast settling
- clarifying agents like Irish moss, gelatin, clarityferm
- careful racking