diff --git a/reactos/include/ddk/li.h b/reactos/include/ddk/li.h
deleted file mode 100644
index 9c00737b8d3..00000000000
--- a/reactos/include/ddk/li.h
+++ /dev/null
@@ -1,38 +0,0 @@
-
-#ifndef __DDK_LI_H
-#define __DDK_LI_H
-
-#define QUAD_PART(LI)  (*(LONGLONG *)(&LI))
-
-#ifdef COMPILER_LARGE_INTEGERS
-
-#define GET_LARGE_INTEGER_HIGH_PART(LI) ( ( (LI) >> 32) )
-#define GET_LARGE_INTEGER_LOW_PART(LI) (ULONG)( ((LI) & 0xFFFFFFFF) )
-#define SET_LARGE_INTEGER_HIGH_PART(LI, HP)  \
-  ( (LI) = ((LI) & 0xFFFFFFFFL) | ( ((LARGE_INTEGER)(HP)) << 32 ) )
-#define SET_LARGE_INTEGER_LOW_PART(LI, LP) \
-  ( (LI) = ((LI) & 0xFFFFFFFF00000000L) | (LP) )
-#define LARGE_INTEGER_QUAD_PART(LI) (LI)
-#define INITIALIZE_LARGE_INTEGER (0)
-
-typedef long long int LONGLONG, *PLONGLONG;
-typedef unsigned long long int ULONGLONG, *PULONGLONG;
-
-#else
-
-#define GET_LARGE_INTEGER_HIGH_PART(LargeInteger) ( (LargeInteger).HighPart )
-#define GET_LARGE_INTEGER_LOW_PART(LargeInteger) ( (LargeInteger).LowPart )
-#define SET_LARGE_INTEGER_HIGH_PART(LargeInteger,Signed_Long)  \
-  ((LargeInteger).HighPart = (Signed_Long))
-#define SET_LARGE_INTEGER_LOW_PART(LargeInteger,Unsigned_Long)  \
-  ((LargeInteger).LowPart = (Unsigned_Long))
-#define LARGE_INTEGER_QUAD_PART(LI)  (*(LONGLONG *)(&(LI)))
-#define INITIALIZE_LARGE_INTEGER ({0,0})
-
-typedef double LONGLONG, *PLONGLONG;
-typedef double ULONGLONG, *PULONGLONG;
-
-#endif
-
-#endif
-
diff --git a/reactos/include/kernel32/li.h b/reactos/include/kernel32/li.h
deleted file mode 100644
index 7247ac814f3..00000000000
--- a/reactos/include/kernel32/li.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * COPYRIGHT:       See COPYING in the top level directory
- * PROJECT:         ReactOS system libraries
- * FILE:            include/kernel32/li.h
- * PURPOSE:         Include file for lib/kernel32 to discard large integers
- * PROGRAMMER:      Ariadne ( ariadne@xs4all.nl)
- * UPDATE HISTORY:
- *                  Created 01/11/98
- */
-#ifdef COMPILER_LARGE_INTEGERS 
-#define GET_LARGE_INTEGER_HIGH_PART(LargeInteger) ( ( LargeInteger >> 32) )
-#define GET_LARGE_INTEGER_LOW_PART(LargeInteger) ( (LargeInteger & 0xFFFFFFFF) )
-#define SET_LARGE_INTEGER_HIGH_PART(LargeInteger,Signed_Long) ( LargeInteger |= ( ((LARGE_INTEGER)Signed_Long) << 32 ) ) 
-#define SET_LARGE_INTEGER_LOW_PART(LargeInteger,Unsigned_Long) ( LargeInteger |= Unsigned_Long  ) 
-#else
-#define GET_LARGE_INTEGER_HIGH_PART(LargeInteger) (  ( LargeInteger.HighPart) )
-#define GET_LARGE_INTEGER_LOW_PART(LargeInteger) ( (LargeInteger.LowPart) )
-#define SET_LARGE_INTEGER_HIGH_PART(LargeInteger,Signed_Long) ( LargeInteger.HighPart=  Signed_Long  ) 
-#define SET_LARGE_INTEGER_LOW_PART(LargeInteger,Unsigned_Long) ( LargeInteger.LowPart = Unsigned_Long  ) 
-#endif