From Longman Dictionary of Contemporary Englishnot be in the business of doing somethingnot be in the business of doing somethingWILLto not be intending to do something because you think it is a bad idea I’m not in the business of selling my best players. → business
Examples from the Corpus
not be in the business of doing something• Labour may not be in the business of re-connecting with the past, but its attachment to the future is still confused. 