Below is a guide for quickly clear data in Kodi on your Amazon Fire TV & Fire TV Stick .
Clearing DATA in your Amazon fire stick will revert Kodi back to factory settings, which is good when you're installing new Builds like silenceROM or The Beast..
How to Clear Data for Kodi on a Amazon Fire TV & Fire TV Stick
Step 1 : Turn on Fire Stick.
Step 2 : Scroll down and select Settings
Step 3 : Select Applications > Manage Installed Application
Step 4 :Select KODI
Step 5 : Select Clear Data
Step 6 : Select Clear Data again
That is the process complete. When you start Kodi again it will be as if it has just been installed and you won't have any add-ons installed.