diff --git a/neutron_lib/constants.py b/neutron_lib/constants.py
index b8e7486da..4cdea26c5 100644
--- a/neutron_lib/constants.py
+++ b/neutron_lib/constants.py
@@ -218,12 +218,6 @@ ICMPV6_TYPE_NA = 136
 # Multicast Listener v2 Report (143)
 ICMPV6_TYPE_MLD2_REPORT = 143
 
-# List of ICMPv6 types that should be allowed by default:
-ICMPV6_ALLOWED_TYPES = [ICMPV6_TYPE_MLD_QUERY,
-                        ICMPV6_TYPE_MLD_REPORT,
-                        ICMPV6_TYPE_MLD_DONE,
-                        ICMPV6_TYPE_NS,
-                        ICMPV6_TYPE_NA]
 # List of ICMPv6 types that should be allowed from the unspecified address for
 # Duplicate Address Detection:
 ICMPV6_ALLOWED_UNSPEC_ADDR_TYPES = [ICMPV6_TYPE_MLD_REPORT,