Increase your cable tensions a lots, and I mean a lots
if you mean slacken it, that results in no/bad trimming in the small ring?
Nope, if you're talking about the Shimano 11 speed derailleur, the cable need to be set at a higher tension that a typical front derailleur.
@Borek started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
Increase your cable tensions a lots, and I mean a lots