diff --git a/app/models.py b/app/models.py
index 353b6e56c..39e7b2716 100644
--- a/app/models.py
+++ b/app/models.py
@@ -207,7 +207,7 @@ class EmailBranding(db.Model):
     logo = db.Column(db.String(255), nullable=True)
     name = db.Column(db.String(255), nullable=True)
     text = db.Column(db.String(255), nullable=True)
-    domain = db.Column(db.Text, unique=True, nullable=True)
+    domain = db.Column(db.Text, nullable=True)
     brand_type = db.Column(
         db.String(255),
         db.ForeignKey('branding_type.name'),
diff --git a/migrations/versions/0223_add_domain_constraint.py b/migrations/versions/0223_add_domain_constraint.py
deleted file mode 100644
index 4b8f8d915..000000000
--- a/migrations/versions/0223_add_domain_constraint.py
+++ /dev/null
@@ -1,20 +0,0 @@
-"""
-Revision ID: 0223_add_domain_constraint
-Revises: 0222_drop_service_branding
-Create Date: 2018-08-24 13:36:49.346156
- """
-from alembic import op
-
-
-revision = '0223_add_domain_constraint'
-down_revision = '0222_drop_service_branding'
-
-
-def upgrade():
-
-    op.create_unique_constraint('uq_email_branding_domain', 'email_branding', ['domain'])
-
-
-def downgrade():
-
-    op.drop_constraint('uq_email_branding_domain', 'email_branding')