diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 8c5a829c4119db83ddf95f153132d0749f523916..cf1449df4f0b406a3afff7b566a1f545cea1ce5f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -138,7 +138,6 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
 
 	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);
-	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 
 	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 	if (priv->cfg->rx_with_siso_diversity)
diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c
index 75d63e6ee7f4f86f0619e893311eaa6c05081f71..a401113c065a752094769caf2a810143369f6d25 100644
--- a/drivers/net/wireless/iwlwifi/iwl-2000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-2000.c
@@ -136,7 +136,6 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
 
 	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);
-	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 
 	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 	if (priv->cfg->rx_with_siso_diversity)
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 5ebf5d225b899df98978404295851360833d8917..c55cec853f50c182a8df879697db7d44b1b25619 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -169,7 +169,6 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 
 	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);
-	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 
 	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 	priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
@@ -214,7 +213,6 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
 
 	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);
-	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 
 	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 	priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 94ad57cf3ea6c2fdbd6ead84418fd7f0b70453f5..965d010794b4b49f496446fd36f0f5ee442a6962 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -157,7 +157,6 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 
 	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
 					BIT(IEEE80211_BAND_5GHZ);
-	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
 
 	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
 	if (priv->cfg->rx_with_siso_diversity)
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 4d17619dd29b45160aecb713125f762325044f6d..f4501f836155e2e7f04fbf4493dfac2834f7572e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -665,7 +665,6 @@ struct iwl_hw_params {
 	u16 max_rxq_size;
 	u16 max_rxq_log;
 	u32 rx_page_order;
-	u32 rx_wrt_ptr_reg;
 	u8  max_stations;
 	u8  ht40_channel;
 	u8  max_beacon_itrvl;	/* in 1024 ms */
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 065d2c02655fa916e002997b1c0c84243f8ab351..87148bb3f62817d653a278a9efef8cc3f21a04eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -134,7 +134,6 @@ int iwl_rx_queue_space(const struct iwl_rx_queue *q)
 void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q)
 {
 	unsigned long flags;
-	u32 rx_wrt_ptr_reg = priv->hw_params.rx_wrt_ptr_reg;
 	u32 reg;
 
 	spin_lock_irqsave(&q->lock, flags);
@@ -146,7 +145,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q
 		/* shadow register enabled */
 		/* Device expects a multiple of 8 */
 		q->write_actual = (q->write & ~0x7);
-		iwl_write32(priv, rx_wrt_ptr_reg, q->write_actual);
+		iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual);
 	} else {
 		/* If power-saving is in use, make sure device is awake */
 		if (test_bit(STATUS_POWER_PMI, &priv->status)) {
@@ -162,14 +161,14 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q
 			}
 
 			q->write_actual = (q->write & ~0x7);
-			iwl_write_direct32(priv, rx_wrt_ptr_reg,
+			iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR,
 					q->write_actual);
 
 		/* Else device is assumed to be awake */
 		} else {
 			/* Device expects a multiple of 8 */
 			q->write_actual = (q->write & ~0x7);
-			iwl_write_direct32(priv, rx_wrt_ptr_reg,
+			iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR,
 				q->write_actual);
 		}
 	}