diff --git a/library/connection.c b/library/connection.c
index ec743f7..4785e7d 100755
--- a/library/connection.c
+++ b/library/connection.c
@@ -42,8 +42,6 @@
 #include "connection.h"
 #include "log.h"
 
-#define IPV6_ENABLED
-
 static int is_ipv4_mapped_ipv6(const char *ip);
 
 int is_ipv4_mapped_ipv6(const char *ip) {