diff --git a/version0.3/nasal_func.h b/version0.3/nasal_func.h
deleted file mode 100644
index 09dd9ec..0000000
--- a/version0.3/nasal_func.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef __NASAL_FUNC_H__
-#define __NASAL_FUNC_H__
-
-#include "nasal_token.h"
-
-//for function
-#define FUNC_BEGIN       0
-#define FUNC_OPERATOR    1
-#define FUNC_IDENTIFIER  2
-#define FUNC_NUMBER      3
-#define FUNC_RESERVEWORD 4
-#define FUNC_STRING      5
-
-struct parameter
-{
-	std::string var_name;
-	var param_var;
-	parameter *next;
-};
-
-class func
-{
-	private:
-		token_unit *statement_head;
-		parameter *parameter_head;
-	public:
-		func();
-		func(const func&);
-		~func();
-		func& operator=(const func&);
-		void append_var(std::string&,var&);
-		void append_token(const int,const int,std::string &);
-		void print_info();
-};
-
-#endif