diff --git a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
index ec0a8a4cdc6e65c29aa9b6b42b752028090d7b6f..a2b54de21ed7be3ba58bf2f42fa9c1a328a80ab2 100644
--- a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
+++ b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
@@ -549,12 +549,6 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter)
 		    (unsigned long)padapter);
 }
 
-inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms)
-{
-	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
-	pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ms);
-}
-
 /*
 * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
 * @adapter: pointer to struct adapter structure
diff --git a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
index aa1fd87c47fba84c561b386f42117176d833ccc0..a493d4c37ef180fc2096167d3b1b451b2b3a77cc 100644
--- a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
@@ -257,7 +257,6 @@ s32 LPS_RF_ON_check(struct adapter *adapter, u32 delay_ms);
 void LPS_Enter(struct adapter *adapter);
 void LPS_Leave(struct adapter *adapter);
 
-void rtw_set_ips_deny(struct adapter *adapter, u32 ms);
 int _rtw_pwr_wakeup(struct adapter *adapter, u32 ips_defer_ms,
 		    const char *caller);
 #define rtw_pwr_wakeup(adapter)						\