UnregisterEventFromAllFrames

Globally unregister event.

Code
local function UnregisterEventFromAllFrames_helper(event, ...) for i=1,select('#', ...) do 		select(i, ...):UnregisterEvent(event) end end local function UnregisterEventFromAllFrames(event) UnregisterEventFromAllFrames_helper(event, GetFramesRegisteredForEvent(event)) end

Example
-- Globally unregister the event 'MERCHANT_SHOW'. UnregisterEventFromAllFrames('MERCHANT_SHOW')