diff --git a/features/nanostack/mbed-mesh-api/source/wisun_tasklet.c b/features/nanostack/mbed-mesh-api/source/wisun_tasklet.c
index f1723e2957..5e9a43fca5 100644
--- a/features/nanostack/mbed-mesh-api/source/wisun_tasklet.c
+++ b/features/nanostack/mbed-mesh-api/source/wisun_tasklet.c
@@ -626,16 +626,12 @@ int wisun_tasklet_statistics_start(void)
 
 int wisun_tasklet_statistics_reset(void)
 {
-    if (!wisun_tasklet_data_ptr || wisun_tasklet_data_ptr->network_interface_id < 0 || !mac_api) {
+    if (!statistics) {
         return -1;
     }
 
-    if (ns_sw_mac_statistics_reset(mac_api) < 0) {
-        return -1;
-    }
-    if (ws_statistics_reset(wisun_tasklet_data_ptr->network_interface_id) < 0) {
-        return -1;
-    }
+    memset(&statistics->mac_statistics, 0, sizeof(mac_statistics_t));
+    memset(&statistics->ws_statistics, 0, sizeof(ws_statistics_t));
 
     return 0;
 }
diff --git a/features/nanostack/sal-stack-nanostack/nanostack/sw_mac.h b/features/nanostack/sal-stack-nanostack/nanostack/sw_mac.h
index 48a7b46923..894b8b75c4 100644
--- a/features/nanostack/sal-stack-nanostack/nanostack/sw_mac.h
+++ b/features/nanostack/sal-stack-nanostack/nanostack/sw_mac.h
@@ -89,13 +89,6 @@ extern struct fhss_api *ns_sw_mac_get_fhss_api(struct mac_api_s *mac_api);
  */
 extern int ns_sw_mac_statistics_start(struct mac_api_s *mac_api, struct mac_statistics_s *mac_statistics);
 
-/**
- * @brief Reset all statistics from software MAC.
- * @param mac_api MAC instance.
- * @return 0 on success, -1 on fail.
- */
-extern int ns_sw_mac_statistics_reset(struct mac_api_s *mac_api);
-
 /**
  * @brief Start collecting statistics from PHY driver.
  * @param mac_api MAC instance.
diff --git a/features/nanostack/sal-stack-nanostack/nanostack/ws_management_api.h b/features/nanostack/sal-stack-nanostack/nanostack/ws_management_api.h
index 02b374dadd..f506c37995 100644
--- a/features/nanostack/sal-stack-nanostack/nanostack/ws_management_api.h
+++ b/features/nanostack/sal-stack-nanostack/nanostack/ws_management_api.h
@@ -727,16 +727,6 @@ int ws_statistics_start(
     int8_t interface_id,
     ws_statistics_t *stats_ptr);
 
-/**
- * Reset Wi-SUN statistics.
- *
- * \param interface_id Network interface ID.
- *
- * \return 0 Success.
- * \return <0 Failure.
- */
-int ws_statistics_reset(int8_t interface_id);
-
 /**
  * Stop collecting Wi-SUN statistics.
  *
diff --git a/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_empty_functions.c b/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_empty_functions.c
index faffcfde16..c70f2e36c5 100644
--- a/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_empty_functions.c
+++ b/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_empty_functions.c
@@ -434,12 +434,6 @@ int ws_statistics_start(int8_t interface_id, ws_statistics_t *stats_ptr)
     return -1;
 }
 
-int ws_statistics_reset(int8_t interface_id)
-{
-    (void) interface_id;
-    return -1;
-}
-
 int ws_statistics_stop(int8_t interface_id)
 {
     (void) interface_id;
diff --git a/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_stats.c b/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_stats.c
index ac9006a601..85f2511221 100644
--- a/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_stats.c
+++ b/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_stats.c
@@ -49,21 +49,6 @@ int ws_statistics_stop(int8_t interface_id)
     return 0;
 }
 
-int ws_statistics_reset(int8_t interface_id)
-{
-    protocol_interface_info_entry_t *cur = protocol_stack_interface_info_get_by_id(interface_id);
-    if (!cur || !ws_info(cur)) {
-        return -1;
-    }
-    if (cur->ws_info->stored_stats_ptr == NULL) {
-        /* Wi-SUN statistics is not started */
-        return 0;
-    }
-    cur->ws_info->stored_stats_ptr->asynch_rx_count = 0;
-    cur->ws_info->stored_stats_ptr->asynch_tx_count = 0;
-    return 0;
-}
-
 void ws_stats_update(protocol_interface_info_entry_t *cur, ws_stats_type_t type, uint32_t update_val)
 {
     if (!cur || !ws_info(cur)) {
diff --git a/features/nanostack/sal-stack-nanostack/source/MAC/IEEE802_15_4/sw_mac.c b/features/nanostack/sal-stack-nanostack/source/MAC/IEEE802_15_4/sw_mac.c
index cbd608be31..7fd08c6d25 100644
--- a/features/nanostack/sal-stack-nanostack/source/MAC/IEEE802_15_4/sw_mac.c
+++ b/features/nanostack/sal-stack-nanostack/source/MAC/IEEE802_15_4/sw_mac.c
@@ -255,23 +255,6 @@ int ns_sw_mac_statistics_start(struct mac_api_s *mac_api, struct mac_statistics_
     return 0;
 }
 
-int ns_sw_mac_statistics_reset(struct mac_api_s *mac_api)
-{
-    if (!mac_api) {
-        return -1;
-    }
-    protocol_interface_rf_mac_setup_s *mac_setup = get_sw_mac_ptr_by_mac_api(mac_api);
-    if (!mac_setup) {
-        return -1;
-    }
-    if (mac_setup->mac_statistics == NULL) {
-        /* MAC statics is not started */
-        return 0;
-    }
-    memset(mac_setup->mac_statistics, 0, sizeof(struct mac_statistics_s));
-    return 0;
-}
-
 static int8_t ns_sw_mac_initialize(mac_api_t *api, mcps_data_confirm *mcps_data_conf_cb,
                                    mcps_data_indication *mcps_data_ind_cb, mcps_purge_confirm *mcps_purge_conf_cb,
                                    mlme_confirm *mlme_conf_callback, mlme_indication *mlme_ind_callback, int8_t parent_id)