diff --git a/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c b/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c
index e54e0b255d..aa07f2b213 100644
--- a/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c
+++ b/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c
@@ -200,7 +200,6 @@ void gnrc_ipv6_netif_add(kernel_pid_t pid)
 
     /* Otherwise, fill the free entry */
 
-    ipv6_addr_t addr = IPV6_ADDR_ALL_NODES_LINK_LOCAL;
     mutex_lock(&free_entry->mutex);
 
     DEBUG("ipv6 netif: Add IPv6 interface %" PRIkernel_pid " (i = %d)\n", pid,
@@ -210,7 +209,8 @@ void gnrc_ipv6_netif_add(kernel_pid_t pid)
     free_entry->cur_hl = GNRC_IPV6_NETIF_DEFAULT_HL;
     free_entry->flags = 0;
 
-    _add_addr_to_entry(free_entry, &addr, IPV6_ADDR_BIT_LEN, 0);
+    _add_addr_to_entry(free_entry, &ipv6_addr_all_nodes_link_local,
+                       IPV6_ADDR_BIT_LEN, 0);
 
     mutex_unlock(&free_entry->mutex);
 
diff --git a/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c b/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c
index f2f96f3145..3127a5e283 100644
--- a/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c
+++ b/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c
@@ -307,11 +307,12 @@ void gnrc_ndp_internal_send_nbr_sol(kernel_pid_t iface, ipv6_addr_t *src, ipv6_a
 void gnrc_ndp_internal_send_rtr_sol(kernel_pid_t iface, ipv6_addr_t *dst)
 {
     gnrc_pktsnip_t *hdr, *pkt = NULL;
-    ipv6_addr_t *src = NULL, all_routers = IPV6_ADDR_ALL_ROUTERS_LINK_LOCAL;
+    ipv6_addr_t *src = NULL;
     DEBUG("ndp internal: send router solicitation (iface: %" PRIkernel_pid ", dst: ff02::2)\n",
           iface);
     if (dst == NULL) {
-        dst = &all_routers;
+        /* isn't changed afterwards so discarding const should be alright */
+        dst = (ipv6_addr_t *)&ipv6_addr_all_routers_link_local;
     }
     /* check if there is a fitting source address to target */
     if ((src = gnrc_ipv6_netif_find_best_src_addr(iface, dst)) != NULL) {
@@ -422,14 +423,14 @@ void gnrc_ndp_internal_send_rtr_adv(kernel_pid_t iface, ipv6_addr_t *src, ipv6_a
                                     bool fin)
 {
     gnrc_pktsnip_t *hdr = NULL, *pkt = NULL;
-    ipv6_addr_t all_nodes = IPV6_ADDR_ALL_NODES_LINK_LOCAL;
     gnrc_ipv6_netif_t *ipv6_iface = gnrc_ipv6_netif_get(iface);
     uint32_t reach_time = 0, retrans_timer = 0;
     uint16_t adv_ltime = 0;
     uint8_t cur_hl = 0;
 
     if (dst == NULL) {
-        dst = &all_nodes;
+        /* isn't changed afterwards so discarding const should be fine */
+        dst = (ipv6_addr_t *)&ipv6_addr_all_nodes_link_local;
     }
     DEBUG("ndp internal: send router advertisement (iface: %" PRIkernel_pid ", dst: %s%s\n",
           iface, ipv6_addr_to_str(addr_str, dst, sizeof(addr_str)), fin ? ", final" : "");
diff --git a/sys/net/gnrc/network_layer/ndp/router/gnrc_ndp_router.c b/sys/net/gnrc/network_layer/ndp/router/gnrc_ndp_router.c
index d38766af67..ae0ecb39c9 100644
--- a/sys/net/gnrc/network_layer/ndp/router/gnrc_ndp_router.c
+++ b/sys/net/gnrc/network_layer/ndp/router/gnrc_ndp_router.c
@@ -27,10 +27,9 @@ static void _send_rtr_adv(gnrc_ipv6_netif_t *iface, ipv6_addr_t *dst);
 
 void gnrc_ndp_router_set_router(gnrc_ipv6_netif_t *iface, bool enable)
 {
-    ipv6_addr_t all_routers = IPV6_ADDR_ALL_ROUTERS_LINK_LOCAL;
     if (enable && !(iface->flags & GNRC_IPV6_NETIF_FLAGS_ROUTER)) {
-        gnrc_ipv6_netif_add_addr(iface->pid, &all_routers, 128,
-                                 GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST);
+        gnrc_ipv6_netif_add_addr(iface->pid, &ipv6_addr_all_routers_link_local,
+                                 128, GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST);
         mutex_lock(&iface->mutex);
         iface->flags |= GNRC_IPV6_NETIF_FLAGS_ROUTER;
         iface->max_adv_int = GNRC_IPV6_NETIF_DEFAULT_MAX_ADV_INT;
@@ -40,7 +39,7 @@ void gnrc_ndp_router_set_router(gnrc_ipv6_netif_t *iface, bool enable)
         gnrc_ndp_router_set_rtr_adv(iface, enable);
     }
     else if (!enable && (iface->flags & GNRC_IPV6_NETIF_FLAGS_ROUTER)) {
-        gnrc_ipv6_netif_remove_addr(iface->pid, &all_routers);
+        gnrc_ipv6_netif_remove_addr(iface->pid, (ipv6_addr_t *)&ipv6_addr_all_routers_link_local);
         gnrc_ndp_router_set_rtr_adv(iface, enable);
     }
 }
diff --git a/sys/net/gnrc/network_layer/sixlowpan/nd/router/gnrc_sixlowpan_nd_router.c b/sys/net/gnrc/network_layer/sixlowpan/nd/router/gnrc_sixlowpan_nd_router.c
index 684ad4c98b..69d6ec47d5 100644
--- a/sys/net/gnrc/network_layer/sixlowpan/nd/router/gnrc_sixlowpan_nd_router.c
+++ b/sys/net/gnrc/network_layer/sixlowpan/nd/router/gnrc_sixlowpan_nd_router.c
@@ -112,9 +112,7 @@ static inline bool _is_me(ipv6_addr_t *addr)
 
 void gnrc_sixlowpan_nd_router_set_rtr_adv(gnrc_ipv6_netif_t *netif, bool enable)
 {
-    ipv6_addr_t all_routers = IPV6_ADDR_ALL_ROUTERS_LINK_LOCAL;
-
-    if (enable && (gnrc_ipv6_netif_add_addr(netif->pid, &all_routers, 128,
+    if (enable && (gnrc_ipv6_netif_add_addr(netif->pid, &ipv6_addr_all_routers_link_local, 128,
                                             GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST) != NULL)) {
         mutex_lock(&netif->mutex);
         netif->flags |= GNRC_IPV6_NETIF_FLAGS_RTR_ADV;
@@ -128,7 +126,7 @@ void gnrc_sixlowpan_nd_router_set_rtr_adv(gnrc_ipv6_netif_t *netif, bool enable)
     }
     else {
         netif->flags &= ~GNRC_IPV6_NETIF_FLAGS_RTR_ADV;
-        gnrc_ipv6_netif_remove_addr(netif->pid, &all_routers);
+        gnrc_ipv6_netif_remove_addr(netif->pid, (ipv6_addr_t *)&ipv6_addr_all_routers_link_local);
     }
 }