diff --git a/utils.nix b/utils.nix
index bcc7e79..0f78c1a 100644
--- a/utils.nix
+++ b/utils.nix
@@ -1,7 +1,7 @@
 { lib, ... }:
 with lib;
 with builtins; rec {
-  readLines = f: filter (s: (isString s) && s != "") (split "\n" (readFile f));
+  readLines = f: let lines = filter isString (split "\n" (readFile f)); in take ((length lines) - 1) lines;
   splitWhitespace = s: filter isString (builtins.split "[[:space:]]+" s);
   abs = i: if i >= 0 then i else i * -1;
   delta = x: y: abs (x - y);