[Q safestrap] Recreate a new safe system

view story

http://forum.xda-developers.com – I am using safestrap with unsafe=stock905+root and safe=KINETX rom. I want to get my safe system into ICS leak and need to get the safe system back to stock 905 to make that happen. The first question is: Is there a easy way to get my safe system back to stock905+root? My original backup for safe system has MD5 problem so that won't work. I am imagine something like "purge the current safe system and recreate it from unsafe system". Second question: If my only way back is RSDLite, do I need to remove/uninstall safestrap before doing that? Or, the question is rather " (HowTos)