diff --git a/lib/pione/command/basic-command.rb b/lib/pione/command/basic-command.rb
index d8773e9..e6448b9 100644
--- a/lib/pione/command/basic-command.rb
+++ b/lib/pione/command/basic-command.rb
@@ -270,7 +270,6 @@ def exit
       def abort(msg_or_exception, pos=caller(1).first)
         # hide the message because some option errors are meaningless
         invisible = msg_or_exception.is_a?(HideableOptionError)
-        p msg_or_exception
 
         # setup abortion message
         msg = msg_or_exception.is_a?(Exception) ? msg_or_exception.message : msg_or_exception