diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index 37c56690b13a..6b4b0b0c4f53 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -1283,21 +1283,6 @@ void SetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
 
 }
 
-void GetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
-{
-	struct hal_data_8188e *haldata = &Adapter->haldata;
-	struct odm_dm_struct *podmpriv = &haldata->odmpriv;
-
-	switch (variable) {
-	case HW_VAR_DM_FLAG:
-		val[0] = podmpriv->SupportAbility;
-		break;
-	default:
-		break;
-	}
-
-}
-
 /* Query setting of specified variable. */
 void GetHalDefVar8188EUsb(struct adapter *Adapter, enum hal_def_variable eVariable, void *pValue)
 {
diff --git a/drivers/staging/r8188eu/include/hal_intf.h b/drivers/staging/r8188eu/include/hal_intf.h
index 0033a0aca27b..9b465001975c 100644
--- a/drivers/staging/r8188eu/include/hal_intf.h
+++ b/drivers/staging/r8188eu/include/hal_intf.h
@@ -66,7 +66,6 @@ void GetHalDefVar8188EUsb(struct adapter *Adapter, enum hal_def_variable eVariab
 unsigned int rtl8188eu_inirp_init(struct adapter *Adapter);
 
 void SetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val);
-void GetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val);
 
 uint rtw_hal_init(struct adapter *padapter);
 uint rtw_hal_deinit(struct adapter *padapter);
diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 7df213856d66..6383b399ae40 100644
--- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
@@ -3620,9 +3620,7 @@ static int rtw_dbg_port(struct net_device *dev,
 			break;
 		case 0x06:
 			{
-				u32	ODMFlag;
-				GetHwReg8188EU(padapter, HW_VAR_DM_FLAG, (u8 *)(&ODMFlag));
-				ODMFlag = (u32)(0x0f & arg);
+				u32 ODMFlag = (u32)(0x0f & arg);
 				SetHwReg8188EU(padapter, HW_VAR_DM_FLAG, (u8 *)(&ODMFlag));
 			}
 			break;