diff --git a/include/internal/skf_meth.h b/include/internal/skf_meth.h
index f3c9752a..636650ce 100644
--- a/include/internal/skf_meth.h
+++ b/include/internal/skf_meth.h
@@ -50,26 +50,7 @@
 #ifndef HEADER_SKF_METH_H
 #define HEADER_SKF_METH_H
 
-
-typedef signed char		INT8;
-typedef signed short		INT16;
-typedef signed int		INT32;
-typedef unsigned char		UINT8;
-typedef unsigned short		UINT16;
-typedef unsigned int		UINT32;
-typedef long			BOOL;
-typedef UINT8			BYTE;
-typedef UINT8			CHAR;
-typedef INT16			SHORT;
-typedef UINT16			USHORT;
-typedef INT32			LONG;
-typedef UINT32			ULONG;
-typedef UINT32			UINT;
-typedef UINT16			WORD;
-typedef UINT32			DWORD;
-typedef UINT32			FLAGS;
-typedef CHAR *			LPSTR;
-typedef void *			HANDLE;
+#include <openssl/skf.h>
 
 
 #ifdef __cplusplus