diff --git a/actix-codec/CHANGES.md b/actix-codec/CHANGES.md
index 1101b6de..2259e44e 100644
--- a/actix-codec/CHANGES.md
+++ b/actix-codec/CHANGES.md
@@ -1,5 +1,7 @@
 # Changes
 
+* Use `.advance()` intead of `.split_to()`
+
 ## [0.2.0] - 2019-12-10
 
 * Use specific futures dependencies
diff --git a/actix-codec/src/framed.rs b/actix-codec/src/framed.rs
index e5d45804..146d2258 100644
--- a/actix-codec/src/framed.rs
+++ b/actix-codec/src/framed.rs
@@ -2,7 +2,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 use std::{fmt, io};
 
-use bytes::BytesMut;
+use bytes::{Buf, BytesMut};
 use futures_core::{ready, Stream};
 use futures_sink::Sink;
 
@@ -288,7 +288,7 @@ impl<T, U> Framed<T, U> {
             }
 
             // remove written data
-            let _ = self.write_buf.split_to(n);
+            self.write_buf.advance(n);
         }
 
         // Try flushing the underlying IO