cleanse the Augean stables

cleanse the Augean stables

To rid a place or entity of an accumulation of something (often corruption). In Greek mythology, Hercules was tasked with cleansing the Augean stables—which had not been cleaned in 30 years. The town council is so full of corruption that I'm skeptical that any new member can cleanse the Augean stables.
See also: stable
References in periodicals archive ?
The calling of the outsider to cleanse the Augean stables possesses a mythic quality.
It becomes the primary responsibility of the present provincial set-up, which came to power in the name of change and claiming for the eradication of corruption from the federating unit, to carry out a thorough and transparent investigation into the financial bungling in the Labour department and take the responsible to task regardless of any office or status in order to cleanse the Augean stables once and for all.
If you tell the standard-bearers of this army, and they are to be found everywhere, that they should have patience and wait for the political process to bring about change and cleanse the Augean stables, the ready response is that if the nation waits any longer there will be nothing left to save.