diff --git a/core/Collection.carp b/core/Collection.carp
deleted file mode 100644
index aff8abd1..00000000
--- a/core/Collection.carp
+++ /dev/null
@@ -1,15 +0,0 @@
-(definterface unsafe-nth (Fn [(Ref (a b) c) Int] &b))
-(implements unsafe-nth Array.unsafe-nth)
-(implements unsafe-nth StaticArray.unsafe-nth)
-(definterface length (Fn [(Ref (a b))] Int))
-(implements unsafe-nth Array.length)
-(implements unsafe-nth StaticArray.length)
-
-(defmodule Collections
-  (defn empty? [a] 
-    (= 0 (length a)))
-  (defn first [a] 
-    (if (empty? a)
-        (Maybe.Nothing)
-        (Maybe.Just @(unsafe-nth a 0))))
-)