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-rw-r--r--lib/sockopt.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/lib/sockopt.h b/lib/sockopt.h
index 4081e6a45b..545abe631f 100644
--- a/lib/sockopt.h
+++ b/lib/sockopt.h
@@ -59,11 +59,7 @@ extern int setsockopt_ipv6_tclass(int, int);
#if defined(IP_RECVIF)
/* BSD/Solaris */
-#if defined(SUNOS_5)
-#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof(uint_t))
-#else
#define SOPT_SIZE_CMSG_RECVIF_IPV4() (sizeof(struct sockaddr_dl))
-#endif /* SUNOS_5 */
#endif /* IP_RECVIF */
/* SOPT_SIZE_CMSG_IFINDEX_IPV4 - portable type */