diff --git a/core/net/ip/uip-nameserver.c b/core/net/ip/uip-nameserver.c
index 3a3933be9..6ced6b91e 100644
--- a/core/net/ip/uip-nameserver.c
+++ b/core/net/ip/uip-nameserver.c
@@ -57,9 +57,7 @@ typedef struct uip_nameserver_record {
 } uip_nameserver_record;
 
 /** \brief Initialization flag */
-#if UIP_NAMESERVER_POOL_SIZE > 1
 static uint8_t initialized = 0;
-#endif
 
 /** \name List and memory block
  * @{