diff --git a/source/Utils.hs b/source/Utils.hs
deleted file mode 100644
index ed4fd84..0000000
--- a/source/Utils.hs
+++ /dev/null
@@ -1,7 +0,0 @@
-module Utils where
-
-whileJust f = do
-  f' <- f
-  case f' of
-    Just x -> x : whileJust f
-    Nothing -> []