diff --git a/stand/lua/cli.lua b/stand/lua/cli.lua
index c95d09a5fad..757f11c4f7c 100644
--- a/stand/lua/cli.lua
+++ b/stand/lua/cli.lua
@@ -50,7 +50,7 @@ local parse_boot_args = function(argv, with_kernel)
 	local kernel_name
 	local argstr = ""
 
-	for k, v in ipairs(argv) do
+	for _, v in ipairs(argv) do
 		if with_kernel and v:sub(1,1) ~= "-" then
 			kernel_name = v
 		else
@@ -92,7 +92,7 @@ end
 -- Module exports
 
 function cli.boot(...)
-	local cmd_name, argv = cli.arguments(...)
+	local _, argv = cli.arguments(...)
 	local kernel, argstr = parse_boot_args(argv)
 	if kernel ~= nil then
 		loader.perform("unload")
@@ -102,7 +102,7 @@ function cli.boot(...)
 end
 
 function cli.autoboot(...)
-	local cmd_name, argv = cli.arguments(...)
+	local _, argv = cli.arguments(...)
 	local argstr = parse_boot_args(argv, false)
 	core.autoboot(argstr)
 end
@@ -110,7 +110,7 @@ end
 -- Used for splitting cli varargs into cmd_name and the rest of argv
 function cli.arguments(...)
 	local argv = {...}
-	local cmd_name = ""
+	local cmd_name
 	cmd_name, argv = core.popFrontTable(argv)
 	return cmd_name, argv
 end
diff --git a/stand/lua/config.lua b/stand/lua/config.lua
index 84aedd3eb10..6bb45bfb496 100644
--- a/stand/lua/config.lua
+++ b/stand/lua/config.lua
@@ -37,7 +37,7 @@ local carousel_choices = {}
 pattern_table = {
 	[1] = {
 		str = "^%s*(#.*)",
-		process = function(k, v)  end
+		process = function(_, _)  end
 	},
 	--  module_load="value"
 	[2] = {
@@ -94,7 +94,7 @@ pattern_table = {
 	--  exec="command"
 	[9] = {
 		str = "^%s*exec%s*=%s*\"([%w%s%p]-)\"%s*(.*)",
-		process = function(k, v)
+		process = function(k, _)
 			if loader.perform(k) ~= 0 then
 				print("Failed to exec '" .. k .. "'")
 			end
@@ -283,10 +283,7 @@ function config.parse(name, silent)
 		return silent
 	end
 
-	local text
-	local r
-
-	text, r = io.read(f)
+	local text, _ = io.read(f)
 
 	if text == nil then
 		if not silent then
@@ -302,7 +299,7 @@ function config.parse(name, silent)
 		if line:match("^%s*$") == nil then
 			local found = false
 
-			for i, val in ipairs(pattern_table) do
+			for _, val in ipairs(pattern_table) do
 				local k, v, c = line:match(val.str)
 				if k ~= nil then
 					found = true
@@ -339,7 +336,7 @@ function config.loadkernel(other_kernel)
 
 	local try_load = function (names)
 		for name in names:gmatch("([^;]+)%s*;?") do
-			r = loader.perform("load " .. flags .. " " .. name)
+			local r = loader.perform("load " .. flags .. " " .. name)
 			if r == 0 then
 				return name
 			end
@@ -376,7 +373,7 @@ function config.loadkernel(other_kernel)
 		-- Use our cached module_path, so we don't end up with multiple
 		-- automatically added kernel paths to our final module_path
 		local module_path = config.module_path
-		local res = nil
+		local res
 
 		if other_kernel ~= nil then
 			kernel = other_kernel
@@ -385,7 +382,7 @@ function config.loadkernel(other_kernel)
 		-- then try load with module_path=${kernel}
 		local paths = {"/boot/" .. kernel, kernel}
 
-		for k,v in pairs(paths) do
+		for _, v in pairs(paths) do
 			loader.setenv("module_path", v)
 			res = load_bootfile()
 
@@ -452,7 +449,7 @@ end
 
 function config.loadelf()
 	local kernel = config.kernel_selected or config.kernel_loaded
-	local loaded = false
+	local loaded
 
 	print("Loading kernel...")
 	loaded = config.loadkernel(kernel)
diff --git a/stand/lua/core.lua b/stand/lua/core.lua
index 05f46a2290c..43c5f15f42d 100644
--- a/stand/lua/core.lua
+++ b/stand/lua/core.lua
@@ -200,7 +200,6 @@ function core.bootenvList()
 	local bootenv_count = tonumber(loader.getenv("bootenvs_count"))
 	local bootenvs = {}
 	local curenv
-	local curenv_idx = 0
 	local envcount = 0
 	local unique = {}
 
diff --git a/stand/lua/drawer.lua b/stand/lua/drawer.lua
index f2ad0be17ee..eb260c92263 100644
--- a/stand/lua/drawer.lua
+++ b/stand/lua/drawer.lua
@@ -38,6 +38,7 @@ local fbsd_logo
 local beastie_color
 local beastie
 local fbsd_logo_v
+local orb_color
 local orb
 local none
 local none_shifted = false
@@ -178,7 +179,7 @@ drawer.menu_name_handlers = {
 	-- This is designed so that everything, including menu separators, may
 	-- have their names derived differently. The default action for entry
 	-- types not specified here is to use entry.name directly.
-	[core.MENU_SEPARATOR] = function(drawing_menu, entry)
+	[core.MENU_SEPARATOR] = function(_, entry)
 		if entry.name ~= nil then
 			if type(entry.name) == "function" then
 				return entry.name()
@@ -187,7 +188,7 @@ drawer.menu_name_handlers = {
 		end
 		return ""
 	end,
-	[core.MENU_CAROUSEL_ENTRY] = function(drawing_menu, entry)
+	[core.MENU_CAROUSEL_ENTRY] = function(_, entry)
 		local carid = entry.carousel_id
 		local caridx = config.getCarouselIndex(carid)
 		local choices = entry.items
@@ -263,8 +264,8 @@ function drawer.drawscreen(menu_opts)
 end
 
 function drawer.drawmenu(m)
-	x = drawer.menu_position.x
-	y = drawer.menu_position.y
+	local x = drawer.menu_position.x
+	local y = drawer.menu_position.y
 
 	-- print the menu and build the alias table
 	local alias_table = {}
@@ -288,7 +289,7 @@ function drawer.drawmenu(m)
 			-- fill the alias table
 			alias_table[tostring(entry_num)] = e
 			if e.alias ~= nil then
-				for n, a in ipairs(e.alias) do
+				for _, a in ipairs(e.alias) do
 					alias_table[a] = e
 				end
 			end
@@ -303,10 +304,10 @@ end
 
 
 function drawer.drawbox()
-	x = drawer.box_pos_dim.x
-	y = drawer.box_pos_dim.y
-	w = drawer.box_pos_dim.w
-	h = drawer.box_pos_dim.h
+	local x = drawer.box_pos_dim.x
+	local y = drawer.box_pos_dim.y
+	local w = drawer.box_pos_dim.w
+	local h = drawer.box_pos_dim.h
 
 	local hl = string.char(0xCD)
 	local vl = string.char(0xBA)
diff --git a/stand/lua/loader.lua b/stand/lua/loader.lua
index 6b658a59b5c..48bc429cdb1 100644
--- a/stand/lua/loader.lua
+++ b/stand/lua/loader.lua
@@ -27,16 +27,15 @@
 -- $FreeBSD$
 --
 
-local cli = require("cli")
+require("cli")
 local config = require("config")
 local menu = require("menu")
 local password = require("password")
-local local_module
 
-local result, errstr, errnoval = lfs.attributes("/boot/lua/local.lua")
+local result, _, _ = lfs.attributes("/boot/lua/local.lua")
 -- Effectively discard any errors; we'll just act if it succeeds.
 if result ~= nil then
-	local_module = require("local")
+	require("local")
 end
 
 config.load()
diff --git a/stand/lua/menu.lua b/stand/lua/menu.lua
index 55f4f34e12c..f9ff91a96b6 100644
--- a/stand/lua/menu.lua
+++ b/stand/lua/menu.lua
@@ -59,11 +59,11 @@ menu.handlers = {
 	-- continue or not. The return value may be omitted if this entry should
 	-- have no bearing on whether we continue or not, indicating that we
 	-- should just continue after execution.
-	[core.MENU_ENTRY] = function(current_menu, entry)
+	[core.MENU_ENTRY] = function(_, entry)
 		-- run function
 		entry.func()
 	end,
-	[core.MENU_CAROUSEL_ENTRY] = function(current_menu, entry)
+	[core.MENU_CAROUSEL_ENTRY] = function(_, entry)
 		-- carousel (rotating) functionality
 		local carid = entry.carousel_id
 		local caridx = config.getCarouselIndex(carid)
@@ -77,11 +77,11 @@ menu.handlers = {
 			entry.func(caridx, choices[caridx], choices)
 		end
 	end,
-	[core.MENU_SUBMENU] = function(current_menu, entry)
+	[core.MENU_SUBMENU] = function(_, entry)
 		-- recurse
 		return menu.run(entry.submenu)
 	end,
-	[core.MENU_RETURN] = function(current_menu, entry)
+	[core.MENU_RETURN] = function(_, entry)
 		-- allow entry to have a function/side effect
 		if entry.func ~= nil then
 			entry.func()
@@ -122,7 +122,7 @@ menu.boot_environments = {
 				    bootenv_name .. " (" .. idx .. " of " ..
 				    #all_choices .. ")"
 			end,
-			func = function(idx, choice, all_choices)
+			func = function(_, choice, _)
 				bootenvSet(choice)
 			end,
 			alias = {"a", "A"},
@@ -312,7 +312,7 @@ menu.welcome = {
 				    kernel_name .. " (" .. idx .. " of " ..
 				    #all_choices .. ")"
 			end,
-			func = function(idx, choice, all_choices)
+			func = function(_, choice, _)
 				config.selectkernel(choice)
 			end,
 			alias = {"k", "K"}
@@ -361,7 +361,7 @@ function menu.run(m)
 	if m == menu.default then
 		autoboot_key = menu.autoboot()
 	end
-	cont = true
+	local cont = true
 	while cont do
 		local key = autoboot_key or io.getchar()
 		autoboot_key = nil
diff --git a/stand/lua/password.lua b/stand/lua/password.lua
index 92dce5e39b3..77ece36aa5b 100644
--- a/stand/lua/password.lua
+++ b/stand/lua/password.lua
@@ -38,7 +38,7 @@ function password.read()
 	local n = 0
 
 	while true do
-		ch = io.getchar()
+		local ch = io.getchar()
 		if ch == core.KEY_ENTER then
 			break
 		end