diff --git a/lib/isc/unix/include/isc/net.h b/lib/isc/unix/include/isc/net.h
index 50d74690f2..d86bb0fbc8 100644
--- a/lib/isc/unix/include/isc/net.h
+++ b/lib/isc/unix/include/isc/net.h
@@ -376,8 +376,4 @@ isc_net_aton(const char *cp, struct in_addr *addr);
 
 ISC_LANG_ENDDECLS
 
-#ifndef INADDR_ANY
-#error INADDR_ANY not defined
-#endif
-
 #endif /* ISC_NET_H */