United were linked with the 16 year-old AIK first teamer this week.
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However, the Manchester Evening News says any January move for Filling has been ruled out, with a focus on British talent for United's academy scouts.
Given EU rules, United cannot sign Filling until he turns 18.
As such, United are unlikely to try for the young attacker in January, so opening the door to RB Leipzig, which have already sounded out AIK to register their interest.