[#2833] Remove broken link

diff --git a/src/bin/dhcp6/dhcp6.dox b/src/bin/dhcp6/dhcp6.dox
index 661125349a4432a68d99c993e844f25371fd6354..45bf96577d04140455f8124e21da733a1a8bfd7a 100644 (file)
--- a/src/bin/dhcp6/dhcp6.dox
+++ b/src/bin/dhcp6/dhcp6.dox
@@ -60,9 +60,8 @@ src/bin/dhcp6/json_config_parser.cc.
 
 @section dhcpv6ConfigParserBison Configuration Parser for DHCPv6 (bison)
 
-During 1.2 milestone it has been decided to significantly refactor the
-parsers as their old implementation became unsustainable. For the brief overview
-of the problems, see ticket 5014 (http://oldkea.isc.org/ticket/5014). In
+During the 1.2 milestone it was decided to significantly refactor the
+parsers as their old implementation became unsustainable. In
 general, the following issues of the existing code were noted:
 
 -# parsers are overwhelmingly complex. Even though each parser is relatively