Piggy_Puffy

Hi, is it possible to clean up all the Superseeded WSUS update Files on KSC 12 ? because my storage on System drive growing and making the drive full because of the updates content. I tried removing the Updates from Software Update > Choose the updates > Delete Update Files (Deleting software updates from the repository (kaspersky.com) but the space not claming backup. What suppost should i do to remove this unnecessary update file ?