Both players are yet to feature for the Red Devils this season, which has resulted in reports that Kagawa in particular could be prepared to leave the club, despite his agent's insistence that he is keen to stay at Old Trafford.
However, Moyes has claimed that both of the attacking midfielders are in his plans for the future.
"I've not had a chance to look at other things. I've had to stick to the same group of players and go with it," he told the club's official website.
"Shinji came back late and that was the biggest problem for him. We had to give him a week off after he came back to play for us in Japan as well.
"Wilf is still getting to know this level so we're happy with what we've got. I hope to use them as we go along."
Moyes's side take on rivals Liverpool at Anfield this afternoon.