を別にすれば

apart from

→ を
phrase Rare #36,746
apart from Used to set something aside or exclude it from consideration; often equivalent to “except for.” The related forms を別にして and を別にすると are also common.
JA: 雨を別にすれば、楽しい旅行でした。
EN: Apart from the rain, it was an enjoyable trip.

短気なのを別にすれば彼女は申し分がない

If you overlook her short temper, she's perfect.

少しの間違いを別にすればあなたの作文すばらしかった

Apart from a few minor mistakes, your composition was excellent.