diff --git a/Libs/zzAddOn/zzAddOn.lua b/Libs/zzAddOn/zzAddOn.lua
index 1a5f071..a979f05 100755
--- a/Libs/zzAddOn/zzAddOn.lua
+++ b/Libs/zzAddOn/zzAddOn.lua
@@ -130,18 +130,12 @@ local function addManagerFrame(self, mode, num, globalfunc)
 end
 function lib:RegisterOpen(num, func)
 	if(not num) then return end
-	local event = "PLAYER_INTERACTION_MANAGER_FRAME_SHOW"
-	if(not lib['events']:IsEventRegistered(event)) then
-		self:RegisterEvent(event, handleManagerFrameShow)
-	end
+	self:RegisterEvent("PLAYER_INTERACTION_MANAGER_FRAME_SHOW", handleManagerFrameShow)
 	addManagerFrame(self, 'show', num, func)
 end
 function lib:RegisterClose(num, func)
 	if(not num) then return end
-	local event = "PLAYER_INTERACTION_MANAGER_FRAME_HIDE"
-	if(not lib['events']:IsEventRegistered(event)) then
-		self:RegisterEvent(event, handleManagerFrameHide)
-	end
+	self:RegisterEvent("PLAYER_INTERACTION_MANAGER_FRAME_HIDE", handleManagerFrameHide)
 	addManagerFrame(self, 'hide', num, func)
 end
 function lib:NewAddOn(addonName, addonTable)