Removed code that assumed BooleanField could be null.

Such a field will no longer pass model validation.

1 files changed, 1 insertions, 2 deletions

diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 29017bed97..4509f4139c 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -997,8 +997,7 @@ class BooleanField(Field):
         # Unlike most fields, BooleanField figures out include_blank from
         # self.null instead of self.blank.
         if self.choices:
-            include_blank = (self.null or
-                             not (self.has_default() or 'initial' in kwargs))
+            include_blank = not (self.has_default() or 'initial' in kwargs)
             defaults = {'choices': self.get_choices(include_blank=include_blank)}
         else:
             defaults = {'form_class': forms.BooleanField}