diff --git a/drivers/staging/rtl8723au/core/rtw_io.c b/drivers/staging/rtl8723au/core/rtw_io.c
index ef859fbcdd9e..e862f584900a 100644
--- a/drivers/staging/rtl8723au/core/rtw_io.c
+++ b/drivers/staging/rtl8723au/core/rtw_io.c
@@ -185,23 +185,6 @@ u32 _rtw_write_port23a(struct rtw_adapter *adapter, u32 addr, u32 cnt,
 	return ret;
 }
 
-u32 _rtw_write_port23a_and_wait23a(struct rtw_adapter *adapter, u32 addr, u32 cnt,
-			     struct xmit_buf *pxmitbuf, int timeout_ms)
-{
-	int ret = _SUCCESS;
-	struct submit_ctx sctx;
-
-	rtw_sctx_init23a(&sctx, timeout_ms);
-	pxmitbuf->sctx = &sctx;
-
-	ret = _rtw_write_port23a(adapter, addr, cnt, pxmitbuf);
-
-	if (ret == _SUCCESS)
-		ret = rtw_sctx_wait23a(&sctx);
-
-	return ret;
-}
-
 void _rtw_write_port23a_cancel(struct rtw_adapter *adapter)
 {
 	void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
diff --git a/drivers/staging/rtl8723au/include/rtw_io.h b/drivers/staging/rtl8723au/include/rtw_io.h
index 4a6bb072436c..2ab31fb6d9aa 100644
--- a/drivers/staging/rtl8723au/include/rtw_io.h
+++ b/drivers/staging/rtl8723au/include/rtw_io.h
@@ -310,7 +310,6 @@ int _rtw_writeN23a(struct rtw_adapter *adapter, u32 addr, u32 length, u8 *pdata)
 
 void _rtw_write_mem23a(struct rtw_adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
 u32 _rtw_write_port23a(struct rtw_adapter *adapter, u32 addr, u32 cnt, struct xmit_buf *pmem);
-u32 _rtw_write_port23a_and_wait23a(struct rtw_adapter *adapter, u32 addr, u32 cnt, struct xmit_buf *pmem, int timeout_ms);
 void _rtw_write_port23a_cancel(struct rtw_adapter *adapter);
 
 #ifdef DBG_IO
@@ -340,7 +339,6 @@ int dbg_rtw_writeN23a(struct rtw_adapter *adapter, u32 addr ,u32 length , u8 *da
 
 #define rtw_write_mem(adapter, addr, cnt, mem) _rtw_write_mem23a((adapter), addr, cnt, mem)
 #define rtw_write_port(adapter, addr, cnt, mem) _rtw_write_port23a(adapter, addr, cnt, mem)
-#define rtw_write_port_and_wait(adapter, addr, cnt, mem, timeout_ms) _rtw_write_port23a_and_wait23a((adapter), (addr), (cnt), (mem), (timeout_ms))
 #define rtw_write_port_cancel(adapter) _rtw_write_port23a_cancel(adapter)
 #else /* DBG_IO */
 #define rtw_read8(adapter, addr) _rtw_read823a((adapter), (addr))
@@ -357,7 +355,6 @@ int dbg_rtw_writeN23a(struct rtw_adapter *adapter, u32 addr ,u32 length , u8 *da
 
 #define rtw_write_mem(adapter, addr, cnt, mem) _rtw_write_mem23a((adapter), (addr), (cnt), (mem))
 #define rtw_write_port(adapter, addr, cnt, mem) _rtw_write_port23a((adapter), (addr), (cnt), (mem))
-#define rtw_write_port_and_wait(adapter, addr, cnt, mem, timeout_ms) _rtw_write_port23a_and_wait23a((adapter), (addr), (cnt), (mem), (timeout_ms))
 #define rtw_write_port_cancel(adapter) _rtw_write_port23a_cancel((adapter))
 #endif /* DBG_IO */