@@ -1335,16 +1335,10 @@
 	])
 	AC_CHECK_HEADER(netinet/tcp.h, [
 		AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1,
 			[Whether we have netinet/tcp.h])
 	])
-	AC_CHECK_HEADER(netinet/sctp.h, [
-		AC_DEFINE(OF_HAVE_SCTP, 1, [Whether we have SCTP])
-		AC_DEFINE(OF_HAVE_NETINET_SCTP_H, 1,
-			[Whether we have netinet/sctp.h])
-		AC_SUBST(USE_SRCS_SCTP, '${SRCS_SCTP}')
-	])
 	AC_CHECK_HEADERS([arpa/inet.h netdb.h])
 	AC_CHECK_HEADER(netipx/ipx.h, [
 		AC_DEFINE(OF_HAVE_NETIPX_IPX_H, 1,
 			[Whether we have netipx/ipx.h])
 	])
@@ -1521,11 +1515,10 @@
 
 	AC_SUBST(OFDNS, "ofdns")
 	AS_IF([test x"$enable_files" != x"no"], [
 		AC_SUBST(OFHTTP, "ofhttp")
 	])
-	AC_SUBST(OFSOCK, "ofsock")
 ])
 
 AC_DEFUN([CHECK_BUILTIN_BSWAP], [
 	AC_MSG_CHECKING(for __builtin_bswap$1)
 	AC_LINK_IFELSE([