The fact that the existing East Pagoda has no traces of being dismantled and reconstructed strongly supports the theory that the pagoda was newly established after the temple was relocated to Heijo-kyo, as mentioned in "Fuso ryakki."
現存する東塔に、他所から解体移築した痕跡の見られないことからも、東塔については『扶桑略記』の記述どおり、平城移転後の新築と見る説が有力である。