Facebook has denied firing the executive Palmer Luckey for his right-wing views.
The Wall Street Journal on Sunday linked the firing of Luckey, the founder of Oculus, to fallout from his donation of $10,000 to a group that posted anti-Hillary Clinton memes.
The Facebook executive Andrew Bosworth has strongly denied that Luckey's firing was over politics, as has a spokeswoman.
A wider culture war is taking place in Silicon Valley, with most tech firms viewed as having liberal views.
Facebook has denied firing one of its senior executives for his conservative views.