It is “impossible” for Elon Musk to turn Tesla private — despite the CEO’s belief that ridding the electric carmaker of its duties as a public company would help accelerate innovation, he said Christmas Eve.

“Engineering, design & general company operations absorb vast majority of my mind & are the fundamental limitation on doing more,” Musk tweeted in response to a user who was speculating on how the tech tycoon could best allocate his time. “Tesla public company duties are a much bigger factor, but going private is impossible now (sigh).” READ MORE