From Longman Dictionary of Contemporary Englishthere’s nothing in/to somethingthere’s nothing in/to somethingUNTRUEused to say that what people are saying about someone or something is not true It seems there’s nothing in the rumours that she’s pregnant. → nothing
Examples from the Corpus
there’s nothing in/to something• Come on, old girl, there's nothing to be frightened of now.• But the National Rivers Authority, which has investigated the site, says there's nothing to fear.• You find there's nothing to it, a false rumour.• The name in a way is obvious; there's nothing to it really.• It's because there's nothing in it.• And often there's nothing to show for it at the end.• But it's going to be all right - there's nothing to worry about.• Nine times out of ten, using this tactic, you discover that there's nothing to worry about. 