diff --git a/reactos/w32api/include/servprov.h b/reactos/w32api/include/servprov.h
index 76661026b31..883339418e7 100644
--- a/reactos/w32api/include/servprov.h
+++ b/reactos/w32api/include/servprov.h
@@ -1,6 +1,5 @@
 #ifndef _SERVPROV_H
 #define _SERVPROV_H
-#define _OLEIDL_H
 #if __GNUC__ >=3
 #pragma GCC system_header
 #endif