diff --git a/src/byte_buf.rs b/src/byte_buf.rs
index 96a40b9..94ba35e 100644
--- a/src/byte_buf.rs
+++ b/src/byte_buf.rs
@@ -152,8 +152,6 @@ impl Buf for ByteBuf {
     }
 }
 
-unsafe impl Send for ByteBuf { }
-
 /*
  *
  * ===== ROByteBuf =====