When Performing Tracheostomy Care,which Action by the Nurse Is Not

When performing tracheostomy care,which action by the nurse is not appropriate?

A) Unlocking and removing the inner cannula
B) Rinsing the cannula in normal saline
C) Using a pipe cleaner to dry the inside and outside of the cannula
D) Cleaning the incision site and flange using sterile applicators or gauze dressings moistened with normal saline