Leicester City moved for the Egypt midfielder, 25, last month and had a £10million bid accepted. Only for Elneny to decide against the switch.
“I am staying at Arsenal this season," he said after playing the whole 90 minutes of the Gunners' Community Shield win.
“I am 100 per cent focused and will give my best to the club day after day."
“Winning the Community Shield gives us momentum ahead of the new season."