diff --git a/sys/netinet6/in6_src.c b/sys/netinet6/in6_src.c
index 78e18cde76c0..9d429d3ad6ad 100644
--- a/sys/netinet6/in6_src.c
+++ b/sys/netinet6/in6_src.c
@@ -91,9 +91,6 @@
 #include <netinet6/ip6_var.h>
 #include <netinet6/scope6_var.h>
 #include <netinet6/nd6.h>
-#ifdef ENABLE_DEFAULT_SCOPE
-#include <netinet6/scope6_var.h>
-#endif
 
 #include <net/net_osdep.h>