Twitter Inc. employees are returning to the office following the cancellation of the social media company’s remote working policy.

In his first email to employees, new Twitter chief executive officer Elon Musk banned remote work unless he personally approved it, according to a report by Bloomberg. Employees are also expected to work in-office a minimum of 40 hours per week, noted the report.

Read: Twitter to allow employees to work from home ‘forever’

Musk also eliminated the company’s #DaysOfRest initiative, which provided employees with a monthly, company-wide day off that was introduced last year to stave off employee burnout.

In 2020, during the onset of the coronavirus pandemic, Twitter announced it would allow employees to work from home “forever.” And last August, the company said it was cutting back on its physical office space in several global markets amid the rise of remote working.

Read: Twitter’s monthly #DaysofRest initiative helping prevent employee burnout amid pandemic