ath9k_htc: minor clean-up

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 5bc0220..da55967 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -521,8 +521,6 @@
 
 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
 				u8 enable_coex);
-void ath9k_htc_station_work(struct work_struct *work);
-void ath9k_htc_aggr_work(struct work_struct *work);
 void ath9k_htc_ani_work(struct work_struct *work);
 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
@@ -542,7 +540,6 @@
 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
-void ath9k_htc_tx_failed(struct ath9k_htc_priv *priv);
 void ath9k_tx_failed_tasklet(unsigned long data);
 void ath9k_htc_tx_cleanup_timer(unsigned long data);