diff --git a/sys/include/net/gnrc/ipv6/netif.h b/sys/include/net/gnrc/ipv6/netif.h
index d461a0e073288ae2734e93ee80ff3da9ce796e7b..404cbfd916658c62dd514fd205dd8b136bc1b684 100644
--- a/sys/include/net/gnrc/ipv6/netif.h
+++ b/sys/include/net/gnrc/ipv6/netif.h
@@ -120,7 +120,6 @@ extern "C" {
  */
 #define GNRC_IPV6_NETIF_ADDR_FLAGS_UNICAST      (0x00)  /**< unicast address */
 #define GNRC_IPV6_NETIF_ADDR_FLAGS_NON_UNICAST  (0x01)  /**< non-unicast address */
-#define GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE    (0x02)  /**< address is not fully registered yet */
 
 /**
  * @brief   A prefix information option that propagates the prefix of this
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 afc0431481d76a3dcc7903bd82a006a5686ae2cc..2f1e88c863e97a11321dad181dde25b54eca1e86 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
@@ -92,7 +92,6 @@ static ipv6_addr_t *_add_addr_to_entry(gnrc_ipv6_netif_t *entry, const ipv6_addr
         (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN)) {
         ipv6_addr_t *router = gnrc_ndp_internal_default_router();
         if (router != NULL) {
-            tmp_addr->flags |= GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE;
             mutex_unlock(&entry->mutex);    /* function below relocks mutex */
             gnrc_ndp_internal_send_nbr_sol(entry->pid, &tmp_addr->addr, router, router);
             mutex_lock(&entry->mutex);      /* relock mutex */
@@ -415,9 +414,6 @@ ipv6_addr_t *gnrc_ipv6_netif_find_addr(kernel_pid_t pid, const ipv6_addr_t *addr
     mutex_lock(&entry->mutex);
 
     for (int i = 0; i < GNRC_IPV6_NETIF_ADDR_NUMOF; i++) {
-        if (entry->addrs[i].flags & GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE) {
-            continue;
-        }
         if (ipv6_addr_equal(&(entry->addrs[i].addr), addr)) {
             mutex_unlock(&entry->mutex);
             DEBUG("ipv6 netif: Found %s on interface %" PRIkernel_pid "\n",
@@ -450,9 +446,6 @@ static uint8_t _find_by_prefix_unsafe(ipv6_addr_t **res, gnrc_ipv6_netif_t *ifac
             continue;
         }
 
-        if (iface->addrs[i].flags & GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE) {
-            continue;
-        }
         match = ipv6_addr_match_prefix(&(iface->addrs[i].addr), addr);
 
         if ((only == NULL) && !ipv6_addr_is_multicast(addr) &&
@@ -573,8 +566,7 @@ static int _create_candidate_set(gnrc_ipv6_netif_t *iface, const ipv6_addr_t *ds
         /* "In any case, multicast addresses and the unspecified address MUST NOT
          *  be included in a candidate set."
          */
-        if ((iter->flags & GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE) ||
-            ipv6_addr_is_multicast(&(iter->addr)) ||
+        if (ipv6_addr_is_multicast(&(iter->addr)) ||
             ipv6_addr_is_unspecified(&(iter->addr))) {
             continue;
         }
diff --git a/sys/net/gnrc/network_layer/sixlowpan/nd/gnrc_sixlowpan_nd.c b/sys/net/gnrc/network_layer/sixlowpan/nd/gnrc_sixlowpan_nd.c
index 67380b13ec17667e11103b60bd84a5e51fbce998..8993e96c3e50306f5f9f6401dabedb70b041d3c5 100644
--- a/sys/net/gnrc/network_layer/sixlowpan/nd/gnrc_sixlowpan_nd.c
+++ b/sys/net/gnrc/network_layer/sixlowpan/nd/gnrc_sixlowpan_nd.c
@@ -288,10 +288,7 @@ uint8_t gnrc_sixlowpan_nd_opt_ar_handle(kernel_pid_t iface, ipv6_hdr_t *ipv6,
             switch (ar_opt->status) {
                 case SIXLOWPAN_ND_STATUS_SUCCESS:
                     DEBUG("6lo nd: address registration successful\n");
-                    ipv6_addr_t *netif_addr_entry = gnrc_ipv6_netif_find_addr(iface, &(ipv6->dst));
-                    gnrc_ipv6_netif_addr_t *netif_addr = gnrc_ipv6_netif_addr_get(netif_addr_entry);
                     mutex_lock(&ipv6_iface->mutex);
-                    netif_addr->flags &= ~GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE;
                     /* reschedule 1 minute before lifetime expires */
                     timex_t t = { (uint32_t)(byteorder_ntohs(ar_opt->ltime) - 1) * 60, 0 };
                     vtimer_remove(&nc_entry->nbr_sol_timer);
diff --git a/sys/shell/commands/sc_netif.c b/sys/shell/commands/sc_netif.c
index 458998b14ff628e998a76ea10bce66665bd82ec5..0ade6e591214dedcb2708c641ce8a82661e6ee38 100644
--- a/sys/shell/commands/sc_netif.c
+++ b/sys/shell/commands/sc_netif.c
@@ -722,8 +722,6 @@ static int _netif_add(char *cmd_name, kernel_pid_t dev, int argc, char **argv)
         printf("error: unable to add IPv6 address\n");
         return 1;
     }
-    gnrc_ipv6_netif_addr_t *netif_addr = gnrc_ipv6_netif_addr_get(assigned_address);
-    netif_addr->flags &= ~GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE;
 
     printf("success: added %s/%d to interface %" PRIkernel_pid "\n", addr_str,
            prefix_len, dev);