diff --git a/reactos/tools/unicode/cptable.c b/reactos/tools/unicode/cptable.c
index dd66d2f412e..a44a1a22d1b 100644
--- a/reactos/tools/unicode/cptable.c
+++ b/reactos/tools/unicode/cptable.c
@@ -18,10 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include <windef.h>
-#include <stdlib.h>
-
 #include "wine/unicode.h"
+#include <stdlib.h>
 
 /* Everything below this line is generated automatically by cpmap.pl */
 /* ### cpmap begin ### */
diff --git a/reactos/tools/unicode/mbtowc.c b/reactos/tools/unicode/mbtowc.c
index c0e5791ccfb..41d2bab696e 100644
--- a/reactos/tools/unicode/mbtowc.c
+++ b/reactos/tools/unicode/mbtowc.c
@@ -18,9 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include <string.h>
-
 #include "wine/unicode.h"
+#include <string.h>
 
 /* get the decomposition of a Unicode char */
 static int get_decomposition( WCHAR src, WCHAR *dst, unsigned int dstlen )
diff --git a/reactos/tools/unicode/string.c b/reactos/tools/unicode/string.c
index 860e09d410b..2767ad6af18 100644
--- a/reactos/tools/unicode/string.c
+++ b/reactos/tools/unicode/string.c
@@ -18,11 +18,10 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include "wine/unicode.h"
 #include <limits.h>
 #include <stdio.h>
 
-#include "wine/unicode.h"
-
 extern const WCHAR wine_casemap_lower[];
 extern const WCHAR wine_casemap_upper[];
 extern const unsigned short wine_wctype_table[];
diff --git a/reactos/tools/unicode/unicode.mak b/reactos/tools/unicode/unicode.mak
index a0cdce87914..d359d7f4f44 100644
--- a/reactos/tools/unicode/unicode.mak
+++ b/reactos/tools/unicode/unicode.mak
@@ -96,7 +96,6 @@ UNICODE_OBJECTS = \
 
 UNICODE_HOST_CFLAGS = \
 	-D__USE_W32API -DWINVER=0x501 -DWINE_UNICODE_API= \
-	-Dwchar_t="unsigned short" -D_WCHAR_T_DEFINED \
 	-I$(UNICODE_BASE) -Iinclude/reactos/wine -Iinclude -Iinclude/psdk \
 	$(TOOLS_CFLAGS)
 
diff --git a/reactos/tools/unicode/utf8.c b/reactos/tools/unicode/utf8.c
index 334d7fc3b3e..484173c1f0f 100644
--- a/reactos/tools/unicode/utf8.c
+++ b/reactos/tools/unicode/utf8.c
@@ -18,9 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include <string.h>
-
 #include "wine/unicode.h"
+#include <string.h>
 
 /* number of following bytes in sequence based on first byte value (for bytes above 0x7f) */
 static const char utf8_length[128] =
diff --git a/reactos/tools/unicode/wctomb.c b/reactos/tools/unicode/wctomb.c
index 5ad027acd3c..e171e0fac13 100644
--- a/reactos/tools/unicode/wctomb.c
+++ b/reactos/tools/unicode/wctomb.c
@@ -18,9 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
-#include <string.h>
-
 #include "wine/unicode.h"
+#include <string.h>
 
 /* search for a character in the unicode_compose_table; helper for compose() */
 static inline int binary_search( WCHAR ch, int low, int high )