diff --git a/1.lua b/1.lua
index 90747c6..0a9d1f4 100755
--- a/1.lua
+++ b/1.lua
@@ -17,8 +17,7 @@ table.sort(right)
 
 local sumDiff = 0
 for i=1,#left do
-	local diff = math.abs(left[i] - right[i])
-	sumDiff = sumDiff + diff
+	sumDiff = sumDiff + math.abs(left[i] - right[i])
 end
 
 print("Part one", sumDiff)