diff --git a/django/contrib/admin/__init__.py b/django/contrib/admin/__init__.py
index 25a565107f..f8e634e6ac 100644
--- a/django/contrib/admin/__init__.py
+++ b/django/contrib/admin/__init__.py
@@ -1,3 +1,6 @@
+# ACTION_CHECKBOX_NAME is unused, but should stay since its import from here
+# has been referenced in documentation.
+from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
 from django.contrib.admin.options import ModelAdmin, HORIZONTAL, VERTICAL
 from django.contrib.admin.options import StackedInline, TabularInline
 from django.contrib.admin.sites import AdminSite, site