diff --git a/dll/win32/dbghelp/elf_module.c b/dll/win32/dbghelp/elf_module.c
index ae25170bfc0..23cb8a54b70 100644
--- a/dll/win32/dbghelp/elf_module.c
+++ b/dll/win32/dbghelp/elf_module.c
@@ -24,9 +24,6 @@
 
 #if defined(__svr4__) || defined(__sun)
 #define __ELF__ 1
-/* large files are not supported by libelf */
-#undef _FILE_OFFSET_BITS
-#define _FILE_OFFSET_BITS 32
 #endif
 
 #include <assert.h>
@@ -34,9 +31,8 @@
 #include <stdlib.h>
 
 #include "dbghelp_private.h"
-#include "winternl.h"
-
 #include "image_private.h"
+#include "winternl.h"
 
 #include "wine/debug.h"
 #include "wine/heap.h"
diff --git a/dll/win32/dbghelp/image_private.h b/dll/win32/dbghelp/image_private.h
index d440461cc14..5da4c1e113e 100644
--- a/dll/win32/dbghelp/image_private.h
+++ b/dll/win32/dbghelp/image_private.h
@@ -21,23 +21,6 @@
 
 #pragma once
 
-#ifdef HAVE_ELF_H
-# include <elf.h>
-#endif
-#ifdef HAVE_SYS_ELF32_H
-# include <sys/elf32.h>
-#endif
-#ifdef HAVE_SYS_EXEC_ELF_H
-# include <sys/exec_elf.h>
-#endif
-#if !defined(DT_NUM)
-# if defined(DT_COUNT)
-#  define DT_NUM DT_COUNT
-# else
-/* this seems to be a satisfactory value on Solaris, which doesn't support this AFAICT */
-#  define DT_NUM 24
-# endif
-#endif
 #ifdef HAVE_LINK_H
 # include <link.h>
 #endif
diff --git a/sdk/tools/winesync/dbghelp.cfg b/sdk/tools/winesync/dbghelp.cfg
index 0d9e9b6d711..a9c29f900c8 100644
--- a/sdk/tools/winesync/dbghelp.cfg
+++ b/sdk/tools/winesync/dbghelp.cfg
@@ -4,4 +4,4 @@ files:
   include/dbghelp.h: sdk/include/psdk/dbghelp.h
   include/wine/mscvpdb.h: sdk/include/reactos/wine/mscvpdb.h
 tags:
-  wine: 56f2b950c3a090d1951edd687e1c6e9ed9388732
+  wine: b664ae8e60e08224cdc3025c28a37cb22356aaa4