Since moving to the Gunners in 2010, he has been loaned out to Feyenoord and Bolton, particularly impressing many during his stint at De Kuip and, with his path to first-team football previously seeming blocked at the Emirates Stadium, had been linked with a temporary move to the Amsterdam club.
|CHAMPIONS LEAGUE SCRAP
|7/5||Arsenal are 7/5 to finish outside the Premier League's top four next season with Paddy Power|
However, De Boer does not think that his side will be able to land the 19-year-old, but insists that he has several other transfer targets in mind.
"In my opinion he is not an option any more," he told Eredivisie Live. "There are several candidates. We'll know more soon."
Ajax will enter the coming Eredivisie season as back-to-back champions. They last won three consecutive titles between 1993-94 and 1995-96.