Remove two unused macros that allocate and free usb buffers.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
 drivers/staging/r8188eu/include/rtw_io.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/staging/r8188eu/include/rtw_io.h b/drivers/staging/r8188eu/include/rtw_io.h
index 900ed2c648d4..0d2aa432f88d 100644
--- a/drivers/staging/r8188eu/include/rtw_io.h
+++ b/drivers/staging/r8188eu/include/rtw_io.h
@@ -16,12 +16,6 @@
 #include <linux/usb.h>
 #include <linux/usb/ch9.h>
 
-#define rtw_usb_buffer_alloc(dev, size, dma)				\
-	usb_alloc_coherent((dev), (size), (in_interrupt() ?		\
-			   GFP_ATOMIC : GFP_KERNEL), (dma))
-#define rtw_usb_buffer_free(dev, size, addr, dma)			\
-	usb_free_coherent((dev), (size), (addr), (dma))
-
 struct intf_priv;
 struct intf_hdl;
 
-- 
2.30.2