Chelsea fullback Wallace has cut short his loan with Carpi.
TMW says Wallace has penned a new deal with Chelsea today through to 2018.
The Brazilian has also left Carpi and signed for Gremio on-loan to the end of the season.
Wallace is already in Porto Alegre with the deal now done.
The fullback will play for Gremio in 2016 as he chases a place in Brazil's Rio Olympics squad.