diff --git a/django/db/models/sql/subqueries.py b/django/db/models/sql/subqueries.py
index 382e6e94ff..0a083a6938 100644
--- a/django/db/models/sql/subqueries.py
+++ b/django/db/models/sql/subqueries.py
@@ -349,6 +349,7 @@ class DateQuery(Query):
                 self.connection.ops.date_trunc_sql)
         self.select = [select]
         self.select_fields = [None]
+        self.select_related = False # See #7097.
         self.distinct = True
         self.order_by = order == 'ASC' and [1] or [-1]