revise version description

1 files changed, 2 insertions, 4 deletions

diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index 44254d623..494096b44 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -9,8 +9,6 @@
 
 #define RITEBIN_EXT ".mrb"
 #define C_EXT       ".c"
-void ruby_show_version(mrb_state *);
-void ruby_show_copyright(mrb_state *);
 void parser_dump(mrb_state*, struct mrb_ast_node*, int);
 void codedump_all(mrb_state*, int);
 
@@ -101,14 +99,14 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
         break;
       case '-':
         if (strcmp((*argv) + 2, "version") == 0) {
-          ruby_show_version(mrb);
+          mrb_show_version(mrb);
         }
         else if (strcmp((*argv) + 2, "verbose") == 0) {
           args->verbose = 1;
           break;
         }
         else if (strcmp((*argv) + 2, "copyright") == 0) {
-          ruby_show_copyright(mrb);
+          mrb_show_copyright(mrb);
         }
         else return -3;
         return 0;