diff --git a/ipv6/defs_dragonfly.go b/ipv6/defs_dragonfly.go
index a4c383a..27a1d1d 100644
--- a/ipv6/defs_dragonfly.go
+++ b/ipv6/defs_dragonfly.go
@@ -30,8 +30,6 @@
 	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
 	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
 
-	sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
-
 	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
 	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
 	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
diff --git a/route/defs_dragonfly.go b/route/defs_dragonfly.go
index dd31de2..82657d3 100644
--- a/route/defs_dragonfly.go
+++ b/route/defs_dragonfly.go
@@ -61,8 +61,6 @@
 	sysRTM_REDIRECT   = C.RTM_REDIRECT
 	sysRTM_MISS       = C.RTM_MISS
 	sysRTM_LOCK       = C.RTM_LOCK
-	sysRTM_OLDADD     = C.RTM_OLDADD
-	sysRTM_OLDDEL     = C.RTM_OLDDEL
 	sysRTM_RESOLVE    = C.RTM_RESOLVE
 	sysRTM_NEWADDR    = C.RTM_NEWADDR
 	sysRTM_DELADDR    = C.RTM_DELADDR