diff --git a/lib/net/protocol.rb b/lib/net/protocol.rb
index 7e42d22..22ba5fe 100644
--- a/lib/net/protocol.rb
+++ b/lib/net/protocol.rb
@@ -275,7 +275,6 @@ def rbuf_fill
           @rbuf_offset = 0
         else
           @rbuf << rv
-          rv.clear
         end
         return
       when :wait_readable