diff --git a/app/models.py b/app/models.py
index 4f4a6cafc..214979611 100644
--- a/app/models.py
+++ b/app/models.py
@@ -582,10 +582,6 @@ class TemplateBase(db.Model):
     content = db.Column(db.Text, nullable=False)
     archived = db.Column(db.Boolean, nullable=False, default=False)
     subject = db.Column(db.Text)
-    is_letter_contact_blank = db.Column(db.Boolean, nullable=False, default=False)
-
-    # if is_letter_contact = True then service_letter_contact must be null.
-    CheckConstraint("Not(is_letter_contact_blank = True and service_letter_contact_id is not Null)")
 
     @declared_attr
     def service_id(cls):
diff --git a/migrations/versions/0154_nullable_is_blank.py b/migrations/versions/0154_nullable_is_blank.py
new file mode 100644
index 000000000..6a2a214b2
--- /dev/null
+++ b/migrations/versions/0154_nullable_is_blank.py
@@ -0,0 +1,23 @@
+"""
+
+Revision ID: 0154_nullable_is_blank
+Revises: 0153_add_is_letter_contact_blank
+Create Date: 2018-01-05 15:49:36.522210
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = '0154_nullable_is_blank'
+down_revision = '0153_add_is_letter_contact_blank'
+
+
+def upgrade():
+    op.alter_column('templates', 'is_letter_contact_blank', nullable=True)
+    op.alter_column('templates_history', 'is_letter_contact_blank', nullable=True)
+
+
+def downgrade():
+    op.alter_column('templates', 'is_letter_contact_blank', nullable=True)
+    op.alter_column('templates_history', 'is_letter_contact_blank', nullable=True)
diff --git a/tests/app/template/test_rest.py b/tests/app/template/test_rest.py
index ab2533e0f..89830827e 100644
--- a/tests/app/template/test_rest.py
+++ b/tests/app/template/test_rest.py
@@ -625,7 +625,6 @@ def test_get_template_reply_to(client, sample_letter_template):
     assert 'service_letter_contact_id' not in json_resp['data']
     assert json_resp['data']['reply_to'] == str(letter_contact.id)
     assert json_resp['data']['reply_to_text'] == letter_contact.contact_block
-    assert not json_resp['data']['is_letter_contact_blank']
 
 
 def test_update_template_reply_to(client, sample_letter_template):