The two men who face trial for the murder of soldier Lee Rigby in Woolwich earlier this year near the Woolwich Barracks.
Michael Adebajo, 28, and Michael Adebowale, 22, plead not guilty and denied all charges as they entered their plea at The Old Bailey via videolink this morning.
They also denied conspiracy to commit murder on or before that day.
Lee Rigby was murdered on 22 May, at around 3pm in front of a number of witnesses, with 28-year-old Adebajo even appearing on a mobile recording apparently with blood on his hands explaining why he committed the murder.
Adebajo and Adebowale also face charges of the attempted murder of a police officer and possession of illegal weapons.
The two remain in custody at Belmarsh Prison as they await trial on 19 November.