diff --git a/.luacheckrc b/.luacheckrc
index 15eed66..c0ea991 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -3,13 +3,17 @@ allow_defined_top = true
 
 read_globals = {
 	"DIR_DELIM",
-	"minetest", "core",
+	"core",
 	"dump",
 	"vector", "nodeupdate",
 	"VoxelManip", "VoxelArea",
 	"PseudoRandom", "ItemStack",
+	"AreaStore",
 	"intllib",
 	"default",
 	table = { fields = { "copy", "getn" } }
 }
 
+globals = {
+	"minetest"
+}
diff --git a/chatcommands.lua b/chatcommands.lua
index 6079e93..ddff850 100644
--- a/chatcommands.lua
+++ b/chatcommands.lua
@@ -60,7 +60,7 @@ minetest.register_chatcommand("set_owner", {
 
 		local id = areas:add(ownerName, areaName, pos1, pos2, nil)
 		areas:save()
-	
+
 		minetest.chat_send_player(ownerName,
 				"You have been granted control over area #"..
 				id..". Type /list_areas to show your areas.")
@@ -383,10 +383,10 @@ minetest.register_chatcommand("area_info", {
 			table.insert(lines, ("%s spanning up to %dx%dx%d.")
 				:format(str, size.x, size.y, size.z))
 		end
-		local function priv_limit_info(priv, max_count, max_size)
+		local function priv_limit_info(lpriv, lmax_count, lmax_size)
 			size_info(("Players with the %q privilege"..
 				" can protect up to %d areas"):format(
-					priv, max_count), max_size)
+					lpriv, lmax_count), lmax_size)
 		end
 		if self_prot then
 			if privs.areas then
diff --git a/legacy.lua b/legacy.lua
index 83b3d27..876b88d 100644
--- a/legacy.lua
+++ b/legacy.lua
@@ -10,7 +10,7 @@ minetest.register_chatcommand("legacy_load_areas", {
 		minetest.chat_send_player(name, "Converting areas...")
 		local version = tonumber(param)
 		if version == 0 then
-			err = areas:node_ownership_load()
+			local err = areas:node_ownership_load()
 			if err then
 				minetest.chat_send_player(name, "Error loading legacy file: "..err)
 				return
@@ -48,6 +48,7 @@ minetest.register_chatcommand("legacy_load_areas", {
 
 function areas:node_ownership_load()
 	local filename = minetest.get_worldpath().."/owners.tbl"
+	local tables, err
 	tables, err = loadfile(filename)
 	if err then
 		return err
diff --git a/pos.lua b/pos.lua
index 72bda48..976e31a 100644
--- a/pos.lua
+++ b/pos.lua
@@ -11,6 +11,14 @@ areas.set_pos = {}
 areas.pos1 = {}
 areas.pos2 = {}
 
+local function posLimit(pos)
+	return {
+		x = math.max(math.min(pos.x, 31000), -31000),
+		y = math.max(math.min(pos.y, 31000), -31000),
+		z = math.max(math.min(pos.z, 31000), -31000)
+	}
+end
+
 minetest.register_chatcommand("select_area", {
 	params = "<ID>",
 	description = "Select a area by id.",
@@ -129,14 +137,6 @@ function areas:getPos(playerName)
 	return areas:sortPos(pos1, pos2)
 end
 
-local function posLimit(pos)
-	return {
-		x = math.max(math.min(pos.x, 31000), -31000),
-		y = math.max(math.min(pos.y, 31000), -31000),
-		z = math.max(math.min(pos.z, 31000), -31000)
-	}
-end
-
 function areas:setPos1(playerName, pos)
 	areas.pos1[playerName] = posLimit(pos)
 	areas.markPos1(playerName)