A brightly flashing “X” sign has been removed from the San Francisco headquarters of the company formerly known as Twitter, days after it was installed.<br /><br />The San Francisco Department of Building Inspection said Monday it received 24 complaints about the unpermitted structure over the weekend.<br /><br />It was first erected on Friday 28 July.<br /><br />“As you can see, they took down the X,” social media user @darren_stallcup wrote, sharing a video of the building which no longer features the sign.<br /><br />Elon Musk’s company also removed the Twitter wording and iconic blue bird logo from the building last week.