diff --git a/hgdriver/hgdev/scanner_manager.cpp b/hgdriver/hgdev/scanner_manager.cpp
index 73fb421..1a15ca2 100644
--- a/hgdriver/hgdev/scanner_manager.cpp
+++ b/hgdriver/hgdev/scanner_manager.cpp
@@ -34,7 +34,6 @@ static struct
     std::string rsc;        // USB resource, version-addr. e.g. "USB2.0-1"
     hg_scanner* (* create_scanner)(const char*, usb_io*, scanner_handle*);
 }
-#define OEM_NEUTRAL
 g_supporting_devices[] = {
 #ifdef OEM_LISICHENG
 #ifdef LISICHENG_SPECIAL