--- a/src/proto/if_mzsch.pro
+++ b/src/proto/if_mzsch.pro
@@ -1,20 +1,17 @@
 /* if_mzsch.c */
-int mzscheme_enabled __ARGS((int verbose));
-void mzscheme_end __ARGS((void));
-void ex_mzscheme __ARGS((exarg_T *eap));
-void ex_mzfile __ARGS((exarg_T *eap));
-void mzscheme_buffer_free __ARGS((buf_T *buf));
-void mzscheme_window_free __ARGS((win_T *win));
-char *mzscheme_version __ARGS((void));
+int mzscheme_enabled(int verbose);
+void mzvim_check_threads(void);
+void mzvim_reset_timer(void);
+void mzscheme_end(void);
+int mzscheme_main(int argc, char **argv);
+void mzscheme_buffer_free(buf_T *buf);
+void mzscheme_window_free(win_T *win);
+void ex_mzscheme(exarg_T *eap);
+void ex_mzfile(exarg_T *eap);
+void do_mzeval(char_u *str, typval_T *rettv);
 void raise_vim_exn(const char *add_info);
-void raise_if_error __ARGS((void));
-buf_T *get_valid_buffer __ARGS((void *));
-win_T *get_valid_window __ARGS((void *));
-void mzvim_check_threads __ARGS((void));
-void mzvim_reset_timer __ARGS((void));
-void *mzvim_eval_string __ARGS((char_u *str));
-int mzthreads_allowed __ARGS((void));
-int mzscheme_main __ARGS((int argc, char **argv));
-void do_mzeval __ARGS((char_u *str, typval_T *rettv));
-int vim_main2 __ARGS((int argc, char **argv));
+void raise_if_error(void);
+buf_T *get_valid_buffer(void *obj);
+win_T *get_valid_window(void *obj);
+int mzthreads_allowed(void);
 /* vim: set ft=c : */