diff --git a/reactos/tools/wpp/Makefile.in b/reactos/tools/wpp/Makefile.in
deleted file mode 100644
index 09ffbe122d7..00000000000
--- a/reactos/tools/wpp/Makefile.in
+++ /dev/null
@@ -1,37 +0,0 @@
-TOPSRCDIR = @top_srcdir@
-TOPOBJDIR = ../..
-SRCDIR    = @srcdir@
-VPATH     = @srcdir@
-LEXOPT    = -Cf #-w -b
-YACCOPT   = #-v
-MODULE    = libwpp.a
-
-C_SRCS = \
-	preproc.c \
-	wpp.c
-
-EXTRA_SRCS = ppy.y ppl.l
-EXTRA_OBJS = y.tab.o @LEX_OUTPUT_ROOT@.o
-
-all: $(MODULE)
-
-@MAKE_RULES@
-
-$(MODULE): $(OBJS)
-	$(RM) $@
-	$(AR) $@ $(OBJS)
-	$(RANLIB) $@
-
-y.tab.c y.tab.h: ppy.y
-	$(YACC) $(YACCOPT) -ppp -d -t $(SRCDIR)/ppy.y
-
-# hack to allow parallel make
-y.tab.h: y.tab.c
-y.tab.o: y.tab.h
-
-@LEX_OUTPUT_ROOT@.c: ppl.l
-	$(LEX) $(LEXOPT) -d -Ppp -o$@ -8 $(SRCDIR)/ppl.l
-
-@LEX_OUTPUT_ROOT@.o: y.tab.h
-
-### Dependencies:
diff --git a/reactos/tools/wpp/lex.yy.c b/reactos/tools/wpp/lex.yy.c
index d5d6a82cc5e..cd830109e7f 100644
--- a/reactos/tools/wpp/lex.yy.c
+++ b/reactos/tools/wpp/lex.yy.c
@@ -13901,7 +13901,7 @@ char *yytext;
 #include <assert.h>
 
 #include "wpp_private.h"
-#include "wpp.tab.h"
+#include "ppy.tab.h"
 
 /*
  * Make sure that we are running an appropriate version of flex.
diff --git a/reactos/tools/wpp/ppl.l b/reactos/tools/wpp/ppl.l
index f4f8bc1bbe2..9e11301a7fb 100644
--- a/reactos/tools/wpp/ppl.l
+++ b/reactos/tools/wpp/ppl.l
@@ -163,7 +163,7 @@ ul	[uUlL]|[uUlL][lL]|[lL][uU]|[lL][lL][uU]|[uU][lL][lL]|[lL][uU][lL]
 #include <assert.h>
 
 #include "wpp_private.h"
-#include "wpp.tab.h"
+#include "ppy.tab.h"
 
 /*
  * Make sure that we are running an appropriate version of flex.
diff --git a/reactos/tools/wpp/wpp.tab.c b/reactos/tools/wpp/ppy.tab.c
similarity index 99%
rename from reactos/tools/wpp/wpp.tab.c
rename to reactos/tools/wpp/ppy.tab.c
index 9c5d4559193..f622320bb28 100644
--- a/reactos/tools/wpp/wpp.tab.c
+++ b/reactos/tools/wpp/ppy.tab.c
@@ -282,7 +282,7 @@ typedef union YYSTYPE {
 	mtext_t		*mtext;
 } YYSTYPE;
 /* Line 191 of yacc.c.  */
-#line 287 "wpp/wpp.tab.c"
+#line 287 "wpp/ppy.tab.c"
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
 # define YYSTYPE_IS_TRIVIAL 1
@@ -294,7 +294,7 @@ typedef union YYSTYPE {
 
 
 /* Line 214 of yacc.c.  */
-#line 299 "wpp/wpp.tab.c"
+#line 299 "wpp/ppy.tab.c"
 
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
@@ -1853,7 +1853,7 @@ yyreduce:
     }
 
 /* Line 999 of yacc.c.  */
-#line 1858 "wpp/wpp.tab.c"
+#line 1858 "wpp/ppy.tab.c"
 
   yyvsp -= yylen;
   yyssp -= yylen;
diff --git a/reactos/tools/wpp/wpp.tab.h b/reactos/tools/wpp/ppy.tab.h
similarity index 99%
rename from reactos/tools/wpp/wpp.tab.h
rename to reactos/tools/wpp/ppy.tab.h
index db59ae6fce1..a8eed262d7e 100644
--- a/reactos/tools/wpp/wpp.tab.h
+++ b/reactos/tools/wpp/ppy.tab.h
@@ -139,7 +139,7 @@ typedef union YYSTYPE {
 	mtext_t		*mtext;
 } YYSTYPE;
 /* Line 1252 of yacc.c.  */
-#line 143 "wpp/wpp.tab.h"
+#line 143 "wpp/ppy.tab.h"
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
 # define YYSTYPE_IS_TRIVIAL 1
diff --git a/reactos/tools/wpp/wpp.mak b/reactos/tools/wpp/wpp.mak
index 404996d1b64..a17bf6ebd3a 100644
--- a/reactos/tools/wpp/wpp.mak
+++ b/reactos/tools/wpp/wpp.mak
@@ -22,7 +22,7 @@ WPP_SOURCES = $(addprefix $(WPP_BASE_), \
 	lex.yy.c \
 	preproc.c \
 	wpp.c \
-	wpp.tab.c \
+	ppy.tab.c \
 	)
 
 WPP_OBJECTS = \
@@ -49,7 +49,7 @@ $(WPP_INT_)wpp.o: $(WPP_BASE_)wpp.c | $(WPP_INT)
 	$(ECHO_CC)
 	${host_gcc} $(WPP_HOST_CFLAGS) -c $< -o $@
 
-$(WPP_INT_)wpp.tab.o: $(WPP_BASE_)wpp.tab.c | $(WPP_INT)
+$(WPP_INT_)ppy.tab.o: $(WPP_BASE_)ppy.tab.c | $(WPP_INT)
 	$(ECHO_CC)
 	${host_gcc} $(WPP_HOST_CFLAGS) -c $< -o $@