Wrong Poster on my film

Can someone help me takeoff one photo off this Short film please😄

The one to delete: https://www.imdb.com/title/tt39379541/mediaviewer/rm187029762?ref_=ext_shr_lnk

The one to keep:

https://www.imdb.com/title/tt39379541/mediaviewer/rm2084297730?ref_=ext_shr_lnk

Thank you in advance😄