diff --git a/membershipworks/migrations/0004_alter_memberflag_member_alter_transaction_member.py b/membershipworks/migrations/0004_alter_memberflag_member_alter_transaction_member.py
new file mode 100644
index 0000000..2d2af89
--- /dev/null
+++ b/membershipworks/migrations/0004_alter_memberflag_member_alter_transaction_member.py
@@ -0,0 +1,36 @@
+# Generated by Django 5.0 on 2023-12-26 17:46
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("membershipworks", "0003_alter_transaction_sid"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="memberflag",
+            name="member",
+            field=models.ForeignKey(
+                db_column="uid",
+                db_constraint=False,
+                on_delete=django.db.models.deletion.PROTECT,
+                to="membershipworks.member",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="transaction",
+            name="member",
+            field=models.ForeignKey(
+                blank=True,
+                db_column="uid",
+                db_constraint=False,
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                related_name="transactions",
+                to="membershipworks.member",
+            ),
+        ),
+    ]
diff --git a/membershipworks/models.py b/membershipworks/models.py
index ce9b025..268cea9 100644
--- a/membershipworks/models.py
+++ b/membershipworks/models.py
@@ -259,7 +259,9 @@ class Member(BaseModel):
 
 
 class MemberFlag(BaseModel):
-    member = models.ForeignKey(Member, on_delete=models.PROTECT, db_column="uid")
+    member = models.ForeignKey(
+        Member, on_delete=models.PROTECT, db_column="uid", db_constraint=False
+    )
     flag = models.ForeignKey(Flag, on_delete=models.PROTECT)
 
     def __str__(self):
@@ -280,6 +282,7 @@ class Transaction(BaseModel):
         Member,
         on_delete=models.PROTECT,
         db_column="uid",
+        db_constraint=False,
         related_name="transactions",
         null=True,
         blank=True,