diff --git a/alembic/versions/131ad2dc5bbd_table_for_no_new_branches_hook.py b/alembic/versions/131ad2dc5bbd_table_for_no_new_branches_hook.py
index fd835c5..86b1669 100644
--- a/alembic/versions/131ad2dc5bbd_table_for_no_new_branches_hook.py
+++ b/alembic/versions/131ad2dc5bbd_table_for_no_new_branches_hook.py
@@ -21,7 +21,6 @@ def upgrade():
         sa.Column('id', sa.INTEGER(), nullable=False),
         sa.Column('project_id', sa.INTEGER(), nullable=False),
         sa.Column('active', sa.BOOLEAN(), nullable=False),
-        sa.CheckConstraint(u'active IN (0, 1)'),
         sa.ForeignKeyConstraint(
             ['project_id'],
             [u'projects.id'],