diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 56adfe4087a8..77728ba78d76 100644
--- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright(c) 2007 - 2012 Realtek Corporation. */
 
-#define _IOCTL_LINUX_C_
-
 #include "../include/osdep_service.h"
 #include "../include/drv_types.h"
 #include "../include/wlan_bssdef.h"