diff --git a/td.go b/td.go
index 457ea8d..23e297a 100644
--- a/td.go
+++ b/td.go
@@ -58,7 +58,6 @@ func ListenCW(c *tdlib.Client) {
 	receiver := c.AddEventReceiver(&tdlib.UpdateNewMessage{}, eventFilter, 100)
 	for newMsg := range receiver.Chan {
 		updateMsg := (newMsg).(*tdlib.UpdateNewMessage)
-		senderUserID := updateMsg.Message.SenderUserID
 		if updateMsg.Message.Content.GetMessageContentEnum() == tdlib.MessageTextType {
 			txt := updateMsg.Message.Content.(*tdlib.MessageText).Text.Text
 			t := time.Now()