diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index 65587ac210d7add0c875003949ce6ca300f3e183..821afc0ddac5c5dbff612c9024d6c9cfcde9f156 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -880,7 +880,6 @@ typedef struct r8192_priv {
 	short crcmon;
 
 	struct mutex wx_mutex;
-	struct semaphore rf_sem;	/* Used to lock rf write operation */
 
 	u8 rf_type;			/* 0: 1T2R, 1: 2T4R */
 	RT_RF_TYPE_819xU rf_chip;
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index f9c465ca7beb35c2c1345f7a92ec6b1b23134532..dd0970facdf5bd5bfbe80fdd48bb30faab178d08 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2377,7 +2377,6 @@ static void rtl8192_init_priv_lock(struct r8192_priv *priv)
 	spin_lock_init(&priv->tx_lock);
 	spin_lock_init(&priv->irq_lock);
 	mutex_init(&priv->wx_mutex);
-	sema_init(&priv->rf_sem, 1);
 	mutex_init(&priv->mutex);
 }