A flushing device (1) comprises an extraction device (2) for extracting odours from a sanitary device such as a toilet bowl or a urinal, a cistern (3) for holding flushing water, a fill valve (4) for filling the cistern (3) and a flush unit (5) for providing flushing water, wherein the flush unit (5) comprises a flush valve (6) with an overflow pipe (7) and an actuator element (8) for operating the flush valve (6). The extractor unit comprises a fan (9) for extracting air through an air duct (10), which extends at least partially through the cistern (3), and a filter element (11) for filtering the air, wherein the filter element (11) represents the end of the air duct (10). The actuator element (8), fan (9) and filter element (11) are mounted on a common housing (12), particularly arranged in a common housing (12).