diff --git a/include/re_net.h b/include/re_net.h
index 8f1d7cc39..6030afbca 100644
--- a/include/re_net.h
+++ b/include/re_net.h
@@ -27,11 +27,7 @@
 #endif
 
 /** Length of IPv4/v6 address string */
-#ifdef HAVE_INET6
 #define NET_ADDRSTRLEN INET6_ADDRSTRLEN
-#else
-#define NET_ADDRSTRLEN INET_ADDRSTRLEN
-#endif
 
 /* forward declarations */
 struct sa;