diff --git a/include/rtw_mlme_ext.h b/include/rtw_mlme_ext.h
index 850eccb..0ef5f8c 100644
--- a/include/rtw_mlme_ext.h
+++ b/include/rtw_mlme_ext.h
@@ -1153,21 +1153,17 @@ struct cmd_hdl wlancmds[] = {
 
 struct C2HEvent_Header {
 
-#ifdef CONFIG_LITTLE_ENDIAN
+#ifdef __LITTLE_ENDIAN
 
 	unsigned int len:16;
 	unsigned int ID:8;
 	unsigned int seq:8;
 
-#elif defined(CONFIG_BIG_ENDIAN)
-
-	unsigned int seq:8;
-	unsigned int ID:8;
-	unsigned int len:16;
-
 #else
 
-#  error "Must be LITTLE or BIG Endian"
+	unsigned int seq:8;
+	unsigned int ID:8;
+	unsigned int len:16;
 
 #endif