diff --git a/drivers/staging/rtl8192u/r819xU_phy.c b/drivers/staging/rtl8192u/r819xU_phy.c
index e7c3582f550e..97d3cdcd7fb0 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.c
+++ b/drivers/staging/rtl8192u/r819xU_phy.c
@@ -511,7 +511,7 @@ void rtl8192_phy_configmac(struct net_device *dev)
  * notice:    BB parameters may change all the time, so please make
  *            sure it has been synced with the newest.
  *****************************************************************************/
-void rtl8192_phyConfigBB(struct net_device *dev, u8 ConfigType)
+static void rtl8192_phyConfigBB(struct net_device *dev, u8 ConfigType)
 {
 	u32 i;
 
diff --git a/drivers/staging/rtl8192u/r819xU_phy.h b/drivers/staging/rtl8192u/r819xU_phy.h
index c7ec3182857f..c938fd8eb51c 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.h
+++ b/drivers/staging/rtl8192u/r819xU_phy.h
@@ -52,7 +52,6 @@ u32 rtl8192_phy_QueryRFReg(struct net_device *dev,
 			   enum rf90_radio_path_e e_rfpath,
 			   u32 reg_addr, u32 bitmask);
 void rtl8192_phy_configmac(struct net_device *dev);
-void rtl8192_phyConfigBB(struct net_device *dev, u8 ConfigType);
 u8 rtl8192_phy_checkBBAndRF(struct net_device *dev,
 			    enum hw90_block_e CheckBlock,
 			    enum rf90_radio_path_e e_rfpath);