diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 09029b61be52098e5169814f99d5fd589742ce37..7e7e77facc5f7d8d0a00ff2b7d53396f261de00e 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -208,9 +208,6 @@ struct pending_acks_info {
 	struct txq_entry_t  *txqe;
 };
 
-struct ack_session_info *Free_head;
-struct ack_session_info *Alloc_head;
-
 #define NOT_TCP_ACK			(-1)
 
 #define MAX_TCP_SESSION		25