diff --git a/zebra/redistribute.c b/zebra/redistribute.c
index ae61a44..a4335c1 100644
--- a/zebra/redistribute.c
+++ b/zebra/redistribute.c
@@ -347,6 +347,12 @@
 	zsend_interface_add (client, ifp);
 }
 
+/*
+ * This function is only called  when support for 
+ * RTM_IFANNOUNCE or AF_NETLINK sockets (RTM_DELLINK message)
+ * is available. It is not called on Solaris.
+ */
+#if (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK))
 void
 zebra_interface_delete_update (struct interface *ifp)
 {
@@ -361,6 +367,7 @@
       if (client->ifinfo)
 	zsend_interface_delete (client, ifp);
 }
+#endif /* defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK) */
 
 /* Interface address addition. */
 void