diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index 9e4b4eef4d27..08d414aa9ef5 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -61,7 +61,6 @@ enum { /*  for ips_mode */
 
 struct pwrctrl_priv {
 	struct semaphore lock;
-	volatile u8 cpwm_tog; /*  toggling */
 
 	u8	pwr_mode;
 	u8	smart_ps;