diff --git a/in_session.go b/in_session.go
index 663e115a5..50666a703 100644
--- a/in_session.go
+++ b/in_session.go
@@ -290,8 +290,6 @@ func (state inSession) processReject(session *session, msg *Message, rej Message
 		}
 
 		nextState.messageStash[TypedError.ReceivedTarget] = msg
-		// Do not reclaim stashed message.
-		msg.keepMessage = true
 
 		return nextState
 
diff --git a/message.go b/message.go
index 63dca9043..36aef1dda 100644
--- a/message.go
+++ b/message.go
@@ -104,9 +104,6 @@ type Message struct {
 
 	// Field bytes as they appear in the raw message.
 	fields []TagValue
-
-	// Flag is true if this message should not be returned to pool after use.
-	keepMessage bool
 }
 
 // ToMessage returns the message itself.