diff --git a/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_pae_controller.c b/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_pae_controller.c
index 94d5d5f088..11e2c455cb 100644
--- a/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_pae_controller.c
+++ b/features/nanostack/sal-stack-nanostack/source/6LoWPAN/ws/ws_pae_controller.c
@@ -821,40 +821,6 @@ int8_t ws_pae_controller_own_certificates_remove(void)
     return 0;
 }
 
-int8_t ws_pae_controller_own_certificate_add(const arm_certificate_entry_s *cert)
-{
-    if (!cert) {
-        return -1;
-    }
-
-    int8_t ret = -1;
-
-    ns_list_foreach(pae_controller_t, entry, &pae_controller_list) {
-        for (uint8_t i = 0; i < SEC_PROT_CERT_CHAIN_DEPTH; i++) {
-            if (entry->certs.own_cert_chain.cert[i] == NULL) {
-                sec_prot_certs_cert_set(&entry->certs.own_cert_chain, i, (uint8_t *) cert->cert, cert->cert_len);
-                // Set private key if set for the certificate that is added
-                if (cert->key && cert->key_len > 0) {
-                    sec_prot_certs_priv_key_set(&entry->certs.own_cert_chain, (uint8_t *) cert->key, cert->key_len);
-                }
-                ret = 0;
-                break;
-            }
-        }
-    }
-
-    return ret;
-}
-
-int8_t ws_pae_controller_own_certificates_remove(void)
-{
-    ns_list_foreach(pae_controller_t, entry, &pae_controller_list) {
-        sec_prot_certs_chain_entry_init(&entry->certs.own_cert_chain);
-    }
-
-    return 0;
-}
-
 int8_t ws_pae_controller_trusted_certificate_add(const arm_certificate_entry_s *cert)
 {
     if (!cert) {