The Spaniard started our final-day defeat away to Crystal Palace, meaning he played every minute of a disappointing Premier League campaign that ends with United in sixth-place.
Speaking to club media post-match, De Gea explained his sadness at how the season has gone, but was positive about the future.
"We all know it’s been a very bad season from everyone," he began.
"Let’s have a good rest of the summer, repair ourselves in the mind and the body, and be ready to fight again this next season.
"I just want to be positive, just forget about this season.