diff --git a/django/contrib/admin/templatetags/admin_list.py b/django/contrib/admin/templatetags/admin_list.py
index 69b27be829b2f..cae33cc20e241 100644
--- a/django/contrib/admin/templatetags/admin_list.py
+++ b/django/contrib/admin/templatetags/admin_list.py
@@ -302,7 +302,7 @@ def date_hierarchy(cl):
 def search_form(cl):
     return {
         'cl': cl,
-        'show_result_count': cl.result_count != cl.full_result_count and not cl.opts.one_to_one_field,
+        'show_result_count': cl.result_count != cl.full_result_count,
         'search_var': SEARCH_VAR
     }
 search_form = register.inclusion_tag('admin/search_form.html')(search_form)
diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py
index 116d9d49f1c90..50b015352dee5 100644
--- a/django/contrib/admin/views/main.py
+++ b/django/contrib/admin/views/main.py
@@ -68,7 +68,7 @@ def __init__(self, request, model, list_display, list_display_links, list_filter
 
     def get_filters(self, request):
         filter_specs = []
-        if self.list_filter and not self.opts.one_to_one_field:
+        if self.list_filter:
             filter_fields = [self.lookup_opts.get_field(field_name) for field_name in self.list_filter]
             for f in filter_fields:
                 spec = FilterSpec.create(f, request, self.params, self.model, self.model_admin)