diff --git a/src/proto/gui_beval.pro b/src/proto/gui_beval.pro
index 33c1738..b0067a0 100644
--- a/src/proto/gui_beval.pro
+++ b/src/proto/gui_beval.pro
@@ -1,11 +1,11 @@
 /* gui_beval.c */
-void general_beval_cb __ARGS((BalloonEval *beval, int state));
-BalloonEval *gui_mch_create_beval_area __ARGS((void *target, char_u *mesg, void (*mesgCB)(BalloonEval *, int), void *clientData));
-void gui_mch_destroy_beval_area __ARGS((BalloonEval *beval));
-void gui_mch_enable_beval_area __ARGS((BalloonEval *beval));
-void gui_mch_disable_beval_area __ARGS((BalloonEval *beval));
-BalloonEval *gui_mch_currently_showing_beval __ARGS((void));
-int get_beval_info __ARGS((BalloonEval *beval, int getword, win_T **winp, linenr_T *lnump, char_u **textp, int *colp));
-void gui_mch_post_balloon __ARGS((BalloonEval *beval, char_u *mesg));
-void gui_mch_unpost_balloon __ARGS((BalloonEval *beval));
+void general_beval_cb(BalloonEval *beval, int state);
+BalloonEval *gui_mch_create_beval_area(void *target, char_u *mesg, void (*mesgCB)(BalloonEval *, int), void *clientData);
+void gui_mch_destroy_beval_area(BalloonEval *beval);
+void gui_mch_enable_beval_area(BalloonEval *beval);
+void gui_mch_disable_beval_area(BalloonEval *beval);
+BalloonEval *gui_mch_currently_showing_beval(void);
+int get_beval_info(BalloonEval *beval, int getword, win_T **winp, linenr_T *lnump, char_u **textp, int *colp);
+void gui_mch_post_balloon(BalloonEval *beval, char_u *mesg);
+void gui_mch_unpost_balloon(BalloonEval *beval);
 /* vim: set ft=c : */