diff --git a/mods/HUD/mcl_death_messages/init.lua b/mods/HUD/mcl_death_messages/init.lua
index 8d02609852..db37805bff 100644
--- a/mods/HUD/mcl_death_messages/init.lua
+++ b/mods/HUD/mcl_death_messages/init.lua
@@ -56,7 +56,7 @@ local msgs = {
 	}
 }
 
-mobkills = {
+local mobkills = {
 	["mobs_mc:zombie"] = "%s was killed by a zombie.",
 	["mobs_mc:blaze"] = "%s was killed by a blaze.",
 	["mobs_mc:slime"] = "%s was killed by a slime.",
diff --git a/mods/ITEMS/REDSTONE/mcl_dispensers/init.lua b/mods/ITEMS/REDSTONE/mcl_dispensers/init.lua
index 79f392cef0..480641a864 100644
--- a/mods/ITEMS/REDSTONE/mcl_dispensers/init.lua
+++ b/mods/ITEMS/REDSTONE/mcl_dispensers/init.lua
@@ -416,7 +416,7 @@ minetest.register_node("mcl_dispensers:dispenser_down", down_def)
 
 -- Up dispenser
 -- The up dispenser is almost identical to the down dispenser , it only differs in textures
-up_def = table.copy(down_def)
+local up_def = table.copy(down_def)
 up_def.description = "Upwards-Facing Dispenser"
 up_def.tiles = {
 	"mcl_dispensers_dispenser_front_vertical.png", "default_furnace_bottom.png",
diff --git a/mods/ITEMS/REDSTONE/mcl_droppers/init.lua b/mods/ITEMS/REDSTONE/mcl_droppers/init.lua
index 575f495eb6..324608338b 100644
--- a/mods/ITEMS/REDSTONE/mcl_droppers/init.lua
+++ b/mods/ITEMS/REDSTONE/mcl_droppers/init.lua
@@ -137,7 +137,7 @@ minetest.register_node("mcl_droppers:dropper_down", down_def)
 
 -- Up dropper
 -- The up dropper is almost identical to the down dropper, it only differs in textures
-up_def = table.copy(down_def)
+local up_def = table.copy(down_def)
 up_def.description = "Upwards-Facing Dropper"
 up_def.tiles = {
 	"mcl_droppers_dropper_front_vertical.png", "default_furnace_bottom.png",
diff --git a/mods/ITEMS/mcl_doors/api_doors.lua b/mods/ITEMS/mcl_doors/api_doors.lua
index ca1b753bd8..32d2aaccd4 100644
--- a/mods/ITEMS/mcl_doors/api_doors.lua
+++ b/mods/ITEMS/mcl_doors/api_doors.lua
@@ -63,8 +63,8 @@ function mcl_doors:register_door(name, def)
 
 	minetest.register_craftitem(name, {
 		description = def.description,
-		_doc_items_longdesc = def._doc_items_longdesc,
-		_doc_items_usagehelp = def._doc_items_usagehelp,
+		_doc_items_longdesc = longdesc,
+		_doc_items_usagehelp = usagehelp,
 		inventory_image = def.inventory_image,
 		stack_max = 64,
 		groups = { mesecon_conductor_craftable = 1 },
diff --git a/mods/ITEMS/mcl_flowers/init.lua b/mods/ITEMS/mcl_flowers/init.lua
index 6e365b659d..23d4315b87 100644
--- a/mods/ITEMS/mcl_flowers/init.lua
+++ b/mods/ITEMS/mcl_flowers/init.lua
@@ -1,7 +1,6 @@
 -- Minetest 0.4 mod: default
 -- See README.txt for licensing and other information.
 local init = os.clock()
-flower_tmp={}
 
 -- Simple flower template
 local smallflowerlongdesc = "This is a small flower. Small flowers are mainly used for dye production and can also be potted."
diff --git a/mods/ITEMS/mcl_jukebox/init.lua b/mods/ITEMS/mcl_jukebox/init.lua
index 1deb6e039e..1e2ac71630 100644
--- a/mods/ITEMS/mcl_jukebox/init.lua
+++ b/mods/ITEMS/mcl_jukebox/init.lua
@@ -15,7 +15,7 @@ local records = #recorddata
 
 for r=1, records do
 	local doc = false
-	local entryname, longdesc, useahelp
+	local entryname, longdesc, usagehelp
 	if r == 1 then
 		doc = true
 		entryname = "Music Disc"
diff --git a/mods/MAPGEN/mcl_mapgen_core/init.lua b/mods/MAPGEN/mcl_mapgen_core/init.lua
index e2b0084c24..612dc32a59 100644
--- a/mods/MAPGEN/mcl_mapgen_core/init.lua
+++ b/mods/MAPGEN/mcl_mapgen_core/init.lua
@@ -581,7 +581,7 @@ minetest.register_ore({
 end
 
 -- Rarely replace stone with stone monster eggs
-local scarcity
+local monster_egg_scarcity
 if mg_name == "v6" then
 	monster_egg_scarcity = 28 * 28 * 28
 else