diff --git a/kernel/main.c b/kernel/main.c
index f8d54f47f..80cef7269 100644
--- a/kernel/main.c
+++ b/kernel/main.c
@@ -195,16 +195,11 @@ static int init_netifs(void)
 		 *  - gw : the gateway wicht should be used
 		 *  - mmnif_init : the initialization which has to be done in order to use our interface
 		 *  - ip_input : tells him that he should use ip_input
-		 */
-#if LWIP_TCPIP_CORE_LOCKING_INPUT
-		if ((err = netifapi_netif_add(&default_netif, ip_2_ip4(&ipaddr), ip_2_ip4(&netmask), ip_2_ip4(&gw), NULL, mmnif_init, ip_input)) != ERR_OK)
-#else
-		/*
+		 *
 		 * Note: Our drivers guarantee that the input function will be called in the context of the tcpip thread.
 		 * => Therefore, we are able to use ip_input instead of tcpip_input
 		 */
 		if ((err = netifapi_netif_add(&default_netif, ip_2_ip4(&ipaddr), ip_2_ip4(&netmask), ip_2_ip4(&gw), NULL, mmnif_init, ip_input)) != ERR_OK)
-#endif
 		{
 			LOG_ERROR("Unable to add the intra network interface: err = %d\n", err);
 			return -ENODEV;