diff --git a/reactos/tools/rsym.c b/reactos/tools/rsym.c
index ee865abbd49..38c0b7e3c95 100644
--- a/reactos/tools/rsym.c
+++ b/reactos/tools/rsym.c
@@ -490,7 +490,7 @@ ProcessRelocations(ULONG *ProcessedRelocsLength, void **ProcessedRelocs,
   *ProcessedRelocs = malloc(RelocSectionHeader->SizeOfRawData);
   if (NULL == *ProcessedRelocs)
     {
-      fprintf(stderr, "Failed to allocate %u bytes for relocations\n", (UINT)RelocSectionHeader->SizeOfRawData);
+      fprintf(stderr, "Failed to allocate %lu bytes for relocations\n", RelocSectionHeader->SizeOfRawData);
       return 1;
     }
   *ProcessedRelocsLength = 0;
@@ -566,7 +566,7 @@ CreateOutputFile(FILE *OutFile, void *InData,
   OutHeader = malloc(StartOfRawData);
   if (NULL == OutHeader)
     {
-      fprintf(stderr, "Failed to allocate %u bytes for output file header\n", (UINT)StartOfRawData);
+      fprintf(stderr, "Failed to allocate %lu bytes for output file header\n", StartOfRawData);
       return 1;
     }
   memset(OutHeader, '\0', StartOfRawData);
@@ -679,7 +679,7 @@ CreateOutputFile(FILE *OutFile, void *InData,
       PaddedRosSym = malloc(RosSymFileLength);
       if (NULL == PaddedRosSym)
         {
-          fprintf(stderr, "Failed to allocate %u bytes for padded .rossym\n", (UINT)RosSymFileLength);
+          fprintf(stderr, "Failed to allocate %lu bytes for padded .rossym\n", RosSymFileLength);
           return 1;
         }
       memcpy(PaddedRosSym, RosSymSection, RosSymLength);
diff --git a/reactos/tools/rsym.h b/reactos/tools/rsym.h
index f602ed1fd98..ae5dc39df44 100644
--- a/reactos/tools/rsym.h
+++ b/reactos/tools/rsym.h
@@ -10,7 +10,28 @@
 
 #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
 
-#include <host/typedefs.h>
+typedef unsigned char BYTE;
+typedef unsigned char UCHAR;
+typedef unsigned short WORD;
+typedef unsigned short USHORT;
+#if defined(__x86_64__) && defined(unix)
+typedef signed int LONG;
+typedef unsigned int ULONG;
+typedef unsigned int DWORD;
+#else
+typedef signed long LONG;
+typedef unsigned long ULONG;
+typedef unsigned long DWORD;
+#endif
+#if defined(_WIN64)
+typedef unsigned __int64 ULONG_PTR;
+#else
+#if defined(__x86_64__) && defined(unix)
+typedef  unsigned int  ULONG_PTR;
+#else
+typedef  unsigned long ULONG_PTR;
+#endif
+#endif
 
 #pragma pack(2)
 typedef struct _IMAGE_DOS_HEADER {
diff --git a/reactos/tools/rsym.mak b/reactos/tools/rsym.mak
index 972ee9f5377..c87c61cd8a1 100644
--- a/reactos/tools/rsym.mak
+++ b/reactos/tools/rsym.mak
@@ -16,7 +16,7 @@ RSYM_SOURCES = \
 RSYM_OBJECTS = \
 	$(addprefix $(INTERMEDIATE_), $(RSYM_SOURCES:.c=.o))
 
-RSYM_HOST_CFLAGS = $(TOOLS_CFLAGS) -Iinclude
+RSYM_HOST_CFLAGS = $(TOOLS_CFLAGS)
 
 RSYM_HOST_LFLAGS = $(TOOLS_LFLAGS)