diff --git a/basis/unix/bsd/netbsd/netbsd.factor b/basis/unix/bsd/netbsd/netbsd.factor
index 6bae953938..c82259d48a 100644
--- a/basis/unix/bsd/netbsd/netbsd.factor
+++ b/basis/unix/bsd/netbsd/netbsd.factor
@@ -131,26 +131,4 @@ TYPEDEF: __uint8_t sa_family_t
 : _SS_PAD2SIZE ( -- n )
     _SS_MAXSIZE 2 - _SS_PAD1SIZE - _SS_ALIGNSIZE - ; inline
 
-C-STRUCT: sockaddr_storage
-    { "__uint8_t" "ss_len" }
-    { "sa_family_t" "ss_family" }
-    { { "char" _SS_PAD1SIZE } "__ss_pad1" }
-    { "__int64_t" "__ss_align" }
-    { { "char" _SS_PAD2SIZE } "__ss_pad2" } ;
-
-C-STRUCT: exit_struct
-    { "uint16_t" "e_termination" }
-    { "uint16_t" "e_exit" } ;
-
-C-STRUCT: utmpx
-    { { "char" _UTX_USERSIZE } "ut_user" }
-    { { "char" _UTX_IDSIZE } "ut_id" }
-    { { "char" _UTX_LINESIZE } "ut_line" }
-    { { "char" _UTX_HOSTSIZE } "ut_host" }
-    { "uint16_t" "ut_session" }
-    { "uint16_t" "ut_type" }
-    { "pid_t" "ut_pid" }
-    { "exit_struct" "ut_exit" }
-    { "sockaddr_storage" "ut_ss" }
-    { "timeval" "ut_tv" }
-    { { "uint32_t" 10 } "ut_pad" } ;
+"unix.bsd.netbsd.structs" require