diff --git a/src/proto/dict.pro b/src/proto/dict.pro
index 346e1d5..b1ceecc 100644
--- a/src/proto/dict.pro
+++ b/src/proto/dict.pro
@@ -40,7 +40,7 @@
 int eval_lit_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg);
 void dict_extend(dict_T *d1, dict_T *d2, char_u *action, char *func_name);
 dictitem_T *dict_lookup(hashitem_T *hi);
-int dict_equal(dict_T *d1, dict_T *d2, int ic, int recursive);
+int dict_equal(dict_T *d1, dict_T *d2, int ic);
 long dict_count(dict_T *d, typval_T *needle, int ic);
 void dict_extend_func(typval_T *argvars, type_T *type, char *func_name, char_u *arg_errmsg, int is_new, typval_T *rettv);
 void dict_filter_map(dict_T *d, filtermap_T filtermap, type_T *argtype, char *func_name, char_u *arg_errmsg, typval_T *expr, typval_T *rettv);