diff --git a/quick_distance.lua b/quick_distance.lua
deleted file mode 100644
index 43bcdfc..0000000
--- a/quick_distance.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-function quick_distance(x1,y1,x2,y2)
-return abs(x1-x2)+abs(y1-y2)
-end
-
---a very basic manhatten distance function that works fast enough to be used a lot.