The Italian coach has insisted the 37-year-old will have to make his Paris Saint-Germain debut as he looks to rebuild his fitness levels
The veteran midfielder arrived at the capital club from LA Galaxy in January, but will need to build up his fitness before making his long-awaited PSG debut.
"Beckham will not play [on Sunday], but will stay in Paris to train," the 53-year-old told reporters.
"We need another week to improve his physical condition, and then he will be ready. There are no egos here at this club. David arrived with a good relationship with everyone here, and there is absolutely no problem."
Les Parisiens earned a hard-fought Champions League win away to Valencia in midweek, but Ancelotti insists his charges have the necessary motivation and stamina to keep up their Ligue 1 title charge.
"I don't think we will lack what is needed against Sochaux, despite just playing a team of Valencia's quality," he continued.
"They are a team that plays good football, and I think you will see a good game on Sunday."