Tottenham have been cleared of any blame after a fan ran on to the pitch following their FA Cup replay and aimed a punch at Chelsea's Frank Lampard.
Chelsea's quarter-final win descended into chaos after the final whistle when Lampard was forced to duck a punch.
The Football Association looked into security provisions at Spurs.
But a statement said: "After reviewing a video of the incident and receiving a full report from Spurs, there will not be any disciplinary action."
The fan has since been banned from attending football matches in England and Wales for three years, while Spurs have barred him from the club for life.
Another fan who ran on to the pitch also received a three-year ban and both offenders were given