diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index accf6029ac..6bef967306 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -563,8 +563,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 #define SIP_RESERVED ";/?:@&=+$,# "		/*!< Reserved characters in the username part of the URI */
 
-/* #define VOCAL_DATA_HACK */
-
 #define DEFAULT_DEFAULT_EXPIRY  120
 #define DEFAULT_MIN_EXPIRY      60
 #define DEFAULT_MAX_EXPIRY      3600