diff --git a/src/unix/sunos.c b/src/unix/sunos.c
index 3cf214c0..d5867acb 100644
--- a/src/unix/sunos.c
+++ b/src/unix/sunos.c
@@ -28,9 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 
-#ifdef SUNOS_HAVE_IFADDRS
-# include <ifaddrs.h>
-#endif
+#include <ifaddrs.h>
 #include <net/if.h>
 
 #include <sys/loadavg.h>
@@ -407,9 +405,7 @@ void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
 
 uv_err_t uv_interface_addresses(uv_interface_address_t** addresses,
   int* count) {
-#ifndef SUNOS_HAVE_IFADDRS
-  return uv__new_artificial_error(UV_ENOSYS);
-#else
+
   struct ifaddrs *addrs, *ent;
   char ip[INET6_ADDRSTRLEN];
   uv_interface_address_t* address;
@@ -466,7 +462,6 @@ uv_err_t uv_interface_addresses(uv_interface_address_t** addresses,
   freeifaddrs(addrs);
 
   return uv_ok_;
-#endif  /* SUNOS_HAVE_IFADDRS */
 }