diff --git a/reactos/include/lsass/ntsecapi.h b/reactos/include/lsass/ntsecapi.h
deleted file mode 100644
index 837c50a6487..00000000000
--- a/reactos/include/lsass/ntsecapi.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* $Id$
- *
- * COPYRIGHT:       See COPYING in the top level directory
- * PROJECT:         ReactOS system libraries
- * FILE:            include/lsass/ntsecpai.h
- * PURPOSE:         LSASS API declarations
- * UPDATE HISTORY:
- *                  Created 05/08/00
- */
-
-#ifndef __INCLUDE_LSASS_NTSECAPI_H
-#define __INCLUDE_LSASS_NTSECAPI_H
-
-#define SECURITY_LOGON_INTERACTIVE        (2)
-#define SECURITY_LOGON_NETWORK            (3)
-#define SECURITY_LOGON_BATCH              (4)
-#define SECURITY_LOGON_SERVICE            (5)
-#define SECURITY_LOGON_PROXY              (6)
-#define SECURITY_LOGON_UNLOCK             (7)
-
-typedef ULONG SECURITY_LOGON_TYPE;
-
-typedef struct _LSA_STRING
-{
-   USHORT Length;
-   USHORT MaximumLength;
-   PWSTR Buffer;
-} LSA_STRING, *PLSA_STRING;
-
-typedef ULONG LSA_OPERATIONAL_MODE, *PLSA_OPERATIONAL_MODE;
-
-#endif /* __INCLUDE_LSASS_NTSECAPI_H */