diff --git a/.gitignore b/.gitignore
index f0e06eddfa5989ee6b70c2ad8b32e4118974dd9d..6db73dc639ae329bd6f94de73116d2b13cdf62cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,7 @@ html/
 frida2-*/
 frida
 external_ci
+pub/src/xax_yacc.hpp
 pub/src/frida
 pub/src/frida2
 pub/config.h
diff --git a/pub/src/xax_yacc.hpp b/pub/src/xax_yacc.hpp
deleted file mode 100644
index 851aedc08aecd12516983c01b3f2ec17bb521893..0000000000000000000000000000000000000000
--- a/pub/src/xax_yacc.hpp
+++ /dev/null
@@ -1,127 +0,0 @@
-/* A Bison parser, made by GNU Bison 2.7.12-4996.  */
-
-/* Bison interface for Yacc-like parsers in C
-   
-      Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
-   
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/* As a special exception, you may create a larger work that contains
-   part or all of the Bison parser skeleton and distribute that work
-   under terms of your choice, so long as that work isn't itself a
-   parser generator using the skeleton or a modified version thereof
-   as a parser skeleton.  Alternatively, if you modify or redistribute
-   the parser skeleton itself, you may (at your option) remove this
-   special exception, which will cause the skeleton and the resulting
-   Bison output files to be licensed under the GNU General Public
-   License without this special exception.
-   
-   This special exception was added by the Free Software Foundation in
-   version 2.2 of Bison.  */
-
-#ifndef YY_XAX_XAX_YACC_HPP_INCLUDED
-# define YY_XAX_XAX_YACC_HPP_INCLUDED
-/* Enabling traces.  */
-#ifndef YYDEBUG
-# define YYDEBUG 1
-#endif
-#if YYDEBUG
-extern int xaxdebug;
-#endif
-
-/* Tokens.  */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
-     BOP_OR = 258,
-     BOP_AND = 259,
-     BOP_XOR = 260,
-     BOP_NE = 261,
-     BOP_EQ = 262,
-     BOP_LE = 263,
-     BOP_LT = 264,
-     BOP_GE = 265,
-     BOP_GT = 266,
-     BOP_DIV = 267,
-     BOP_MOD = 268,
-     BOP_OVER = 269,
-     NEG = 270,
-     BOP_PM = 271,
-     NUM = 272,
-     IDX = 273,
-     REF = 274,
-     DUMMY = 275,
-     CEV = 276,
-     FNCT = 277,
-     END = 278,
-     CONV = 279,
-     PCONV = 280,
-     DIRAC = 281,
-     REG = 282
-   };
-#endif
-/* Tokens.  */
-#define BOP_OR 258
-#define BOP_AND 259
-#define BOP_XOR 260
-#define BOP_NE 261
-#define BOP_EQ 262
-#define BOP_LE 263
-#define BOP_LT 264
-#define BOP_GE 265
-#define BOP_GT 266
-#define BOP_DIV 267
-#define BOP_MOD 268
-#define BOP_OVER 269
-#define NEG 270
-#define BOP_PM 271
-#define NUM 272
-#define IDX 273
-#define REF 274
-#define DUMMY 275
-#define CEV 276
-#define FNCT 277
-#define END 278
-#define CONV 279
-#define PCONV 280
-#define DIRAC 281
-#define REG 282
-
-
-
-#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef int YYSTYPE;
-# define YYSTYPE_IS_TRIVIAL 1
-# define yystype YYSTYPE /* obsolescent; will be withdrawn */
-# define YYSTYPE_IS_DECLARED 1
-#endif
-
-
-#ifdef YYPARSE_PARAM
-#if defined __STDC__ || defined __cplusplus
-int xaxparse (void *YYPARSE_PARAM);
-#else
-int xaxparse ();
-#endif
-#else /* ! YYPARSE_PARAM */
-#if defined __STDC__ || defined __cplusplus
-int xaxparse (void);
-#else
-int xaxparse ();
-#endif
-#endif /* ! YYPARSE_PARAM */
-
-#endif /* !YY_XAX_XAX_YACC_HPP_INCLUDED  */