The forward scored 25 in the first quarter of the 100-96 win, but spread the ball around during the rest of the game.
The coach told reporters: "That had nothing to do with me. Truth be told, it's not like I'm absolutely in love with those type of plays, but he had it rolling. So I took a step back for a little bit.
"That's what makes LeBron unique in this league. In today's age, there are players who would be looking for numbers with that type of start to see if you can go for 70. LeBron's just trying to play the game the right way. It takes great maturity. He's selfless."
The Heat sit second in the Eastern Conference.