diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index 6458ff95ff9d..955e8678dc26 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -54,21 +54,10 @@
 
 extern int RTW_STATUS_CODE(int error_code);
 
-void *_rtw_zmalloc(u32 sz);
-void *_rtw_malloc(u32 sz);
 void _kfree(u8 *pbuf, u32 sz);
 
-struct sk_buff *_rtw_skb_alloc(u32 sz);
-struct sk_buff *_rtw_skb_copy(const struct sk_buff *skb);
 int _rtw_netif_rx(struct net_device *ndev, struct sk_buff *skb);
 
-#define rtw_malloc(sz)			_rtw_malloc((sz))
-#define rtw_zmalloc(sz)			_rtw_zmalloc((sz))
-
-#define rtw_skb_alloc(size) _rtw_skb_alloc((size))
-#define rtw_skb_alloc_f(size, mstat_f)	_rtw_skb_alloc((size))
-#define rtw_skb_copy(skb)	_rtw_skb_copy((skb))
-#define rtw_skb_copy_f(skb, mstat_f)	_rtw_skb_copy((skb))
 #define rtw_netif_rx(ndev, skb) _rtw_netif_rx(ndev, skb)
 
 extern void _rtw_init_queue(struct __queue	*pqueue);
diff --git a/drivers/staging/rtl8723bs/os_dep/osdep_service.c b/drivers/staging/rtl8723bs/os_dep/osdep_service.c
index 5ff4ed73428a..2a8fdafefcd9 100644
--- a/drivers/staging/rtl8723bs/os_dep/osdep_service.c
+++ b/drivers/staging/rtl8723bs/os_dep/osdep_service.c
@@ -14,31 +14,6 @@ inline int RTW_STATUS_CODE(int error_code)
 	return _FAIL;
 }
 
-void *_rtw_malloc(u32 sz)
-{
-	return kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-}
-
-void *_rtw_zmalloc(u32 sz)
-{
-	void *pbuf = _rtw_malloc(sz);
-
-	if (pbuf)
-		memset(pbuf, 0, sz);
-
-	return pbuf;
-}
-
-inline struct sk_buff *_rtw_skb_alloc(u32 sz)
-{
-	return __dev_alloc_skb(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-}
-
-inline struct sk_buff *_rtw_skb_copy(const struct sk_buff *skb)
-{
-	return skb_copy(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-}
-
 inline int _rtw_netif_rx(struct net_device *ndev, struct sk_buff *skb)
 {
 	skb->dev = ndev;