diff --git a/src/buf/slice.rs b/src/buf/slice.rs
index eee4e146eda20262f0eec2eae6022bd9d8863210..bb6c1c40b23c6bc12b7c97a9ddf3705f3d406968 100644
--- a/src/buf/slice.rs
+++ b/src/buf/slice.rs
@@ -13,7 +13,7 @@ use std::fmt;
 ///
 /// This `Buf` is better suited for cases where there is a clear delineation
 /// between reading and writing.
-pub struct SliceBuf<T = Box<[u8]>> {
+pub struct SliceBuf<T> {
     // Contiguous memory
     mem: T,
     // Current read position