void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
                                        struct perf_hpp_fmt *format)
 {
-       if (perf_hpp__is_sort_entry(format) || perf_hpp__is_dynamic_entry(format))
-               list->nr_sort_keys++;
-
        list_add_tail(&format->sort_list, &list->sorts);
 }
 
 
        int                     socket_filter;
        struct perf_hpp_list    *hpp_list;
        struct list_head        hpp_formats;
-       int                     nr_sort_keys;
        int                     nr_hpp_node;
 };
 
 struct perf_hpp_list {
        struct list_head fields;
        struct list_head sorts;
-       int nr_sort_keys;
 };
 
 extern struct perf_hpp_list perf_hpp_list;
 
        return ret;
 }
 
-static void evlist__set_hists_nr_sort_keys(struct perf_evlist *evlist)
-{
-       struct perf_evsel *evsel;
-
-       evlist__for_each(evlist, evsel) {
-               struct perf_hpp_fmt *fmt;
-               struct hists *hists = evsel__hists(evsel);
-
-               hists->nr_sort_keys = perf_hpp_list.nr_sort_keys;
-
-               /*
-                * If dynamic entries were used, it might add multiple
-                * entries to each evsel for a single field name.  Set
-                * actual number of sort keys for each hists.
-                */
-               perf_hpp_list__for_each_sort_list(&perf_hpp_list, fmt) {
-                       if (perf_hpp__is_dynamic_entry(fmt) &&
-                           !perf_hpp__defined_dynamic_entry(fmt, hists))
-                               hists->nr_sort_keys--;
-               }
-       }
-}
-
 int setup_sorting(struct perf_evlist *evlist)
 {
        int err;
                        return err;
        }
 
-       if (evlist != NULL)
-               evlist__set_hists_nr_sort_keys(evlist);
-
        reset_dimensions();
 
        /*