diff --git a/src/util.rs b/src/util.rs
index 8b43499..836fe8b 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -4,7 +4,6 @@ use crate::*;
 use asynchronous_codec::FramedRead;
 use bytes::Bytes;
 use futures_util::{SinkExt, StreamExt};
-use num_traits::Pow;
 use rand::Rng;
 
 use std::convert::{TryFrom, TryInto};