diff --git a/include/mruby/compile.h b/include/mruby/compile.h
index 40ee8139c..74cd8fb64 100644
--- a/include/mruby/compile.h
+++ b/include/mruby/compile.h
@@ -81,42 +81,6 @@ struct mrb_parser_message {
   char* message;
 };
 
-#define STR_FUNC_PARSING 0x01
-#define STR_FUNC_EXPAND  0x02
-#define STR_FUNC_REGEXP  0x04
-#define STR_FUNC_WORD    0x08
-#define STR_FUNC_SYMBOL  0x10
-#define STR_FUNC_ARRAY   0x20
-#define STR_FUNC_HEREDOC 0x40
-#define STR_FUNC_XQUOTE  0x80
-
-enum mrb_string_type {
-  str_not_parsing  = (0),
-  str_squote   = (STR_FUNC_PARSING),
-  str_dquote   = (STR_FUNC_PARSING|STR_FUNC_EXPAND),
-  str_regexp   = (STR_FUNC_PARSING|STR_FUNC_REGEXP|STR_FUNC_EXPAND),
-  str_sword    = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY),
-  str_dword    = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
-  str_ssym     = (STR_FUNC_PARSING|STR_FUNC_SYMBOL),
-  str_ssymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY),
-  str_dsymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
-  str_heredoc  = (STR_FUNC_PARSING|STR_FUNC_HEREDOC),
-  str_xquote   = (STR_FUNC_PARSING|STR_FUNC_XQUOTE|STR_FUNC_EXPAND),
-};
-
-/* heredoc structure */
-struct mrb_parser_heredoc_info {
-  mrb_bool allow_indent:1;
-  mrb_bool remove_indent:1;
-  mrb_bool line_head:1;
-  size_t indent;
-  mrb_ast_node *indented;
-  enum mrb_string_type type;
-  const char *term;
-  int term_len;
-  mrb_ast_node *doc;
-};
-
 #define MRB_PARSER_TOKBUF_MAX (UINT16_MAX-1)
 #define MRB_PARSER_TOKBUF_SIZE 256
 
diff --git a/mrbgems/mruby-compiler/core/node.h b/mrbgems/mruby-compiler/core/node.h
index ddcb29d50..f95f7eebd 100644
--- a/mrbgems/mruby-compiler/core/node.h
+++ b/mrbgems/mruby-compiler/core/node.h
@@ -103,4 +103,40 @@ enum node_type {
   NODE_LAST
 };
 
+#define STR_FUNC_PARSING 0x01
+#define STR_FUNC_EXPAND  0x02
+#define STR_FUNC_REGEXP  0x04
+#define STR_FUNC_WORD    0x08
+#define STR_FUNC_SYMBOL  0x10
+#define STR_FUNC_ARRAY   0x20
+#define STR_FUNC_HEREDOC 0x40
+#define STR_FUNC_XQUOTE  0x80
+
+enum mrb_string_type {
+  str_not_parsing  = (0),
+  str_squote   = (STR_FUNC_PARSING),
+  str_dquote   = (STR_FUNC_PARSING|STR_FUNC_EXPAND),
+  str_regexp   = (STR_FUNC_PARSING|STR_FUNC_REGEXP|STR_FUNC_EXPAND),
+  str_sword    = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY),
+  str_dword    = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
+  str_ssym     = (STR_FUNC_PARSING|STR_FUNC_SYMBOL),
+  str_ssymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY),
+  str_dsymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
+  str_heredoc  = (STR_FUNC_PARSING|STR_FUNC_HEREDOC),
+  str_xquote   = (STR_FUNC_PARSING|STR_FUNC_XQUOTE|STR_FUNC_EXPAND),
+};
+
+/* heredoc structure */
+struct mrb_parser_heredoc_info {
+  mrb_bool allow_indent:1;
+  mrb_bool remove_indent:1;
+  mrb_bool line_head:1;
+  size_t indent;
+  mrb_ast_node *indented;
+  enum mrb_string_type type;
+  const char *term;
+  int term_len;
+  mrb_ast_node *doc;
+};
+
 #endif  /* MRUBY_COMPILER_NODE_H */