diff --git a/examples/6tisch/sixtop/project-conf.h b/examples/6tisch/sixtop/project-conf.h
index 45e0a2fd1..7f416342e 100755
--- a/examples/6tisch/sixtop/project-conf.h
+++ b/examples/6tisch/sixtop/project-conf.h
@@ -82,7 +82,7 @@
 /* Save some space to fit the limited RAM of the z1 */
 #define UIP_CONF_TCP 0
 #define QUEUEBUF_CONF_NUM 2
-#define RPL_NS_CONF_LINK_NUM  2
+#define NETSTACK_MAX_ROUTE_ENTRIES  2
 #define NBR_TABLE_CONF_MAX_NEIGHBORS 2
 #define UIP_CONF_ND6_SEND_NA 0
 #define SICSLOWPAN_CONF_FRAG 0
diff --git a/os/net/routing/rpl-lite/rpl-conf.h b/os/net/routing/rpl-lite/rpl-conf.h
index aa08a1db8..a3693f8b9 100644
--- a/os/net/routing/rpl-lite/rpl-conf.h
+++ b/os/net/routing/rpl-lite/rpl-conf.h
@@ -29,7 +29,7 @@
  * This file is part of the Contiki operating system.
  *
  */
- 
+
 /**
  * \addtogroup rpl-lite
  * @{
@@ -73,17 +73,6 @@
 #define RPL_WITH_NON_STORING (RPL_MOP_DEFAULT == RPL_MOP_NON_STORING)
 #endif /* RPL_CONF_WITH_NON_STORING */
 
-/* The number of non-storing nodes, i.e. the maximum netwrok size at the root */
-#ifdef RPL_NS_CONF_LINK_NUM
-#define RPL_NS_LINK_NUM RPL_NS_CONF_LINK_NUM
-#else /* RPL_NS_CONF_LINK_NUM */
-#if RPL_WITH_NON_STORING
-#define RPL_NS_LINK_NUM NETSTACK_MAX_ROUTE_ENTRIES
-#else
-#define RPL_NS_LINK_NUM 0
-#endif
-#endif /* RPL_NS_CONF_LINK_NUM */
-
 /*
  * The objective function (OF) used by a RPL root is configurable through
  * the RPL_CONF_OF_OCP parameter. This is defined as the objective code