Wasp nest in Chimney

Yo hi guys, we're dealing with a wasp nest in our chimney and wandering what to do about the nest itself (we've killed all the wasps). The nest isnt accessible from the top or bottom, so its somewhere inside the chimney. Its a gas chimney (that could be turned into log-fed per inspectors) that was inspected and swept 14 months ago with minimal usage so we're not worried about any soot buildup in the chimney and it still vents properly (no substantial draft blocking). The internet seems to think that it can burn down the house but I dont see how without a creosote layer or other buildup in the chimney. Is there any harm in leaving it and waiting for it to fall/burn? If not do we just need to get it swept again (buy a chimney sweep?)