diff --git a/net/udp/udp_conn.c b/net/udp/udp_conn.c
index 8c5ac8b0a1..3cdb7ce442 100644
--- a/net/udp/udp_conn.c
+++ b/net/udp/udp_conn.c
@@ -61,7 +61,6 @@
 #include "devif/devif.h"
 #include "netdev/netdev.h"
 #include "udp/udp.h"
-#include "ipv6/ipv6.h"
 
 /****************************************************************************
  * Private Data