diff --git a/LuaUI/Widgets/gui_reclaiminfo.lua b/LuaUI/Widgets/gui_reclaiminfo.lua
index 6da11f70c0..c02879afc8 100644
--- a/LuaUI/Widgets/gui_reclaiminfo.lua
+++ b/LuaUI/Widgets/gui_reclaiminfo.lua
@@ -36,7 +36,7 @@ local rangeend = {}  --counting radius end point
 local b1was = false  -- cursor was outside the map?
 local vsx, vsy = widgetHandler:GetViewSizes()
 local form = 12 --text format depends on screen size
-local xstart,ystart = 0
+local xstart,ystart = 0, 0
 local cmd,xend,yend,x,y,b1,b2
 local inMinimap = false --mouse cursor in minimap
 
diff --git a/effects/roach.lua b/effects/roach.lua
index 60496e9858..c2fdd3c5c1 100644
--- a/effects/roach.lua
+++ b/effects/roach.lua
@@ -40,16 +40,6 @@ return {
     },
   },
   blastwing = {
-    groundflash = {
-      flashalpha         = 1,
-      flashsize          = 108,
-      ttl                = 75,
-      color = {
-        [1]  = 0.7,
-        [2]  = 0.3,
-        [3]  = 0.1,
-      },
-    },
     redploom = {
       air                = true,
       class              = [[CExpGenSpawner]],
diff --git a/lups/lups.lua b/lups/lups.lua
index 3ab325ce46..d52a9e2e5f 100644
--- a/lups/lups.lua
+++ b/lups/lups.lua
@@ -921,7 +921,7 @@ local function GameFrame(_,n)
 	CleanInvalidUnitFX()
 
 	--// update FXs
-	framesToUpdate = thisGameFrame - lastGameFrame
+	local framesToUpdate = thisGameFrame - lastGameFrame
 	for _,partFx in pairs(particles) do
 		if (n>=partFx.dieGameFrame) then
 			--// lifetime ended