diff --git a/common.lua b/common.lua
index e8e9c6a..8bb7a3d 100644
--- a/common.lua
+++ b/common.lua
@@ -1,6 +1,6 @@
 
 
-function scifi_nodes.get_switch_rules(param2)
+scifi_nodes.get_switch_rules = function(param2)
 
 	-- param2 = 2
 	local rules = {
diff --git a/doors.lua b/doors.lua
index 61f7dac..fcda20a 100644
--- a/doors.lua
+++ b/doors.lua
@@ -15,7 +15,6 @@
 
 
 -- Retrieving mod settings
-local scifi_nodes = {}
 scifi_nodes.doors_open_with_mesecon_only = minetest.settings:get_bool("scifi_nodes.doors_open_with_mesecon_only", false)
 
 -- Some aliases to deal with old namming policy --
diff --git a/models.lua b/models.lua
index 25b6ce7..e1ec8e0 100644
--- a/models.lua
+++ b/models.lua
@@ -2,8 +2,6 @@
 --Copyright (c) 2011-2015 Calinou and contributors.
 --Licensed under the zlib license.
 
-scifi_nodes = {}
-
 function scifi_nodes.register_slope(name, desc, texture, light)
 minetest.register_node("scifi_nodes:slope_"..name, {
 	description = desc.." Slope",
@@ -174,4 +172,3 @@ if minetest.global_exists("stairsplus") then
 		})
 	end
 end
-