Dic: in the interest(s) of

• In the interest(s) of safety, smoking is forbidden.
• thinking in the interest of the whole family
• ate breakfast on the train in the interest of time
• Did those directors act in the best interests of their club?
• a call for all businessmen to work together in the interests of national stability.

△in order to help or achieve something
△To the advantage of; for the sake of:
△If something is in the interests of a particular person or group, it will benefit them in some way.
△If you do something in the interests of a particular result or situation, you do it in order to achieve that result or maintain that situation.

..... OALD, The American Heritage, COBUILD