diff --git a/include/autoconf.h b/include/autoconf.h
index d0e7fbe..2cb862c 100755
--- a/include/autoconf.h
+++ b/include/autoconf.h
@@ -82,9 +82,6 @@
 
 #define RTL8188E_RX_PACKET_INCLUDE_CRC	0
 
-#define SUPPORTED_BLOCK_IO
-#define CONFIG_REGULATORY_CTRL
-
 #define CONFIG_OUT_EP_WIFI_MODE	0
 
 #define ENABLE_USB_DROP_INCORRECT_OUT
diff --git a/os_dep/os_intfs.c b/os_dep/os_intfs.c
index 9f8effc..65a15ec 100755
--- a/os_dep/os_intfs.c
+++ b/os_dep/os_intfs.c
@@ -158,11 +158,7 @@ int rtw_mc2u_disable = 0;
 static int rtw_80211d = 0;
 #endif
 
-#ifdef CONFIG_REGULATORY_CTRL
 static int rtw_regulatory_id =2;
-#else
-static int rtw_regulatory_id = 0xff;/*  Regulatory tab id, 0xff = follow efuse's setting */
-#endif
 module_param(rtw_regulatory_id, int, 0644);