According to a US Securities and Exchange Commission (SEC) filing, Musk who took over the microblogging platform on Monday fired the entire board and became “the sole director of Twitter”.

It confirms that instead of joining Twitter’s board of directors, Elon Musk is now their sole replacement. However, the Tesla CEO tweeted later on Monday that the arrangement would be “temporary” without elaborating.

In accordance with the terms of the Merger Agreement, effective as of the effective time of the Merger, the following persons, who were directors of Twitter prior to the effective time of the Merger, are no longer directors of Twitter: Bret Taylor, Parag Agrawal, Omid Kordestani, David Rosenblatt, Martha Lane Fox, Patrick Pichette, Egon Durban, Fei-Fei Li, and Mimi Alemayehou,” according to the SEC filing.

Musk, the world’s richest person, completed the purchase of the company on Thursday evening through a combination of his own wealth, investment funds and bank loans.

His takeover of the influential social media network has ignited an intense debate about the balance between free speech and protecting vulnerable groups from online harm. Musk has self described himself as “free-speech absolutist”. Prior to his takeover Musk criticized the companied moderation policies and accused it of being biased towards left-wing views.