diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c
index 546bf5428848..2ba01041406b 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.c
+++ b/drivers/staging/rtl8192u/r8192U_dm.c
@@ -43,17 +43,8 @@ u8		dm_shadow[16][256] = { {0} };
 /* For Dynamic Rx Path Selection by Signal Strength */
 static struct dynamic_rx_path_sel DM_RxPathSelTable;
 
-/*------------------------Define global variable-----------------------------*/
-
-/*------------------------Define local variable------------------------------*/
-/*------------------------Define local variable------------------------------*/
-
-/*--------------------Define export function prototype-----------------------*/
 extern	void dm_check_fsync(struct net_device *dev);
 
-/*--------------------Define export function prototype-----------------------*/
-
-/*---------------------Define local function prototype-----------------------*/
 /* DM --> Rate Adaptive */
 static	void	dm_check_rate_adaptive(struct net_device *dev);