There's been talk in England of Manchester United being confident of driving down BVB's €110m asking price for the England international.
But Kehl stated on Monday: "He is there - and he will remain. It was an important sign from the club because we have a certain responsibility.
"Without Jadon, this team is worse.
"We agreed that we had to show a certain attitude. And 80 million euros is simply not enough for such a player. We owed that to the club and the fans.
"I don't want to give him up either."