diff --git a/src/interfaces/ecpg/preproc/y.tab.h b/src/interfaces/ecpg/preproc/y.tab.h
deleted file mode 100644
index b2fadd683bff9fc699175f56d59e9c1d7b400343..0000000000000000000000000000000000000000
--- a/src/interfaces/ecpg/preproc/y.tab.h
+++ /dev/null
@@ -1,39 +0,0 @@
-typedef union {
-    int				tagname;
-    struct ECPGtemp_type	type;
-    char *			symbolname;
-    int				indexsize;
-    enum ECPGttype		type_enum;
-} YYSTYPE;
-#define	SQL_START	258
-#define	SQL_SEMI	259
-#define	SQL_STRING	260
-#define	SQL_INTO	261
-#define	SQL_BEGIN	262
-#define	SQL_END	263
-#define	SQL_DECLARE	264
-#define	SQL_SECTION	265
-#define	SQL_INCLUDE	266
-#define	SQL_CONNECT	267
-#define	SQL_OPEN	268
-#define	SQL_COMMIT	269
-#define	SQL_ROLLBACK	270
-#define	S_SYMBOL	271
-#define	S_LENGTH	272
-#define	S_ANYTHING	273
-#define	S_VARCHAR	274
-#define	S_VARCHAR2	275
-#define	S_EXTERN	276
-#define	S_STATIC	277
-#define	S_UNSIGNED	278
-#define	S_SIGNED	279
-#define	S_LONG	280
-#define	S_SHORT	281
-#define	S_INT	282
-#define	S_CHAR	283
-#define	S_FLOAT	284
-#define	S_DOUBLE	285
-#define	S_BOOL	286
-
-
-extern YYSTYPE yylval;