diff --git a/configs/sip.conf.sample b/configs/sip.conf.sample
index 9db19b7d8caae36f26dea817e8ce6408b961754e..557d443e976cc977587ffa81bbec12f3c8311302 100755
--- a/configs/sip.conf.sample
+++ b/configs/sip.conf.sample
@@ -145,7 +145,6 @@ srvlookup=yes			; Enable DNS SRV lookups on outbound calls
 ; context                     context
 ; permit                      permit
 ; deny                        deny
-; auth                        auth
 ; secret                      secret
 ; md5secret                   md5secret
 ; dtmfmode                    dtmfmode