diff --git a/README.md b/README.md
index fc9c494..755cbd0 100644
--- a/README.md
+++ b/README.md
@@ -287,8 +287,6 @@ expect(result).toEqual({ a: 1, b: 2, c: 3 });
 ```
 
 ```js
-function increment(x) { return x + 1; }
-
 var result = u.map({ a: 100 }, [{ a: 0 }, { a: 1 }]);
 
 expect(result).toEqual([{ a: 100 }, { a: 100 }]);