diff --git a/src/decoder.rs b/src/decoder.rs
index 345389a5..22186708 100644
--- a/src/decoder.rs
+++ b/src/decoder.rs
@@ -1,5 +1,3 @@
-#![allow(dead_code)]
-
 use std::cmp;
 use std::io::{self, Read};
 
@@ -290,10 +288,6 @@ mod tests {
 
     use super::{Bom, BomPeeker, DecodeReader};
 
-    fn utf8(bytes: &[u8]) -> &str {
-        ::std::str::from_utf8(bytes).unwrap()
-    }
-
     fn read_to_string<R: Read>(mut rdr: R) -> String {
         let mut s = String::new();
         rdr.read_to_string(&mut s).unwrap();