The Brazilian was thought to have angered Conte by privately questioning his tactics in the wake of the 3-0 defeat to Roma, having complained about being substituted in the 3-3 draw against the same side a fortnight earlier.
"With Luiz you see him in advance of the ball on numerous occasions during every game he plays and consequently, Chelsea suffer defensively".More news: IPhone users fume over letter 'i' bug
Antonio Conte is an uncompromising man, and in his 16 months as Chelsea head coach the Italian has shown on numerous occasions he is prepared to fight to protect what he sees as his club's interests, even if it ends up making him a few enemies along the way. Today I did this and I think Christensen played a massive game. Another young player, a really good player for the present and the future. This mindset has yielded spectacular results when selling players - most notably Ramires, David Luiz and Oscar - but led to more problems when buying.
Conte meanwhile will be crossing his fingers hoping that his men avoid injury during games with their respective national teams.
Conte was asked what made him drop Luiz and the Italian simply replied, "It was only a tactical decision". Maybe in the future I can decide in a different way, or continue in this way.More news: Could Disney/Fox Talks Give Marvel X-Men & Fantastic Four Back?
Priority targets such as Romelu Lukaku and Alex Sandro were not secured primarily because Chelsea refused to meet the financial demands required to make the deals happen, and those decisions rest with the club's de facto chief executive and transfer negotiator Granovskaia.
Luiz was guilty of some shocking defending against AS Roma in the Champions League.
"I have to make important decisions". Sometimes I can make mistakes. I was very happy for this.More news: Iran marks 1979 hostage crisis anniversary