Earlier on Monday, Maitland-Niles had taken to Instagram to complain about the failed move, posting: "All I wanna do is go where I'm wanted and where I'm gonna play".
The Mirror reports Maitland-Niles has now been told by Arsenal he will be training away from the first team following his outburst - as the Tuesday evening's transfer deadline of 11pm draws ever nearer.
Having previously stated his preference to play in a central midfield role, Maitland-Niles informed Arteta at the start of the season that he wanted to focus on playing at full-back - a role he was occupying when he broke into the England squad last year.
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