diff --git a/src/backend/core/api/serializers.py b/src/backend/core/api/serializers.py
index ba96328..3fbdd27 100644
--- a/src/backend/core/api/serializers.py
+++ b/src/backend/core/api/serializers.py
@@ -29,7 +29,6 @@ class ContactSerializer(serializers.ModelSerializer):
 class UserSerializer(serializers.ModelSerializer):
     """Serialize users."""
 
-    data = serializers.SerializerMethodField(read_only=True)
     timezone = TimeZoneSerializerField(use_pytz=False, required=True)
 
     class Meta:
@@ -37,17 +36,12 @@ class UserSerializer(serializers.ModelSerializer):
         fields = [
             "id",
             "email",
-            "data",
             "language",
             "timezone",
             "is_device",
             "is_staff",
         ]
-        read_only_fields = ["id", "email", "data", "is_device", "is_staff"]
-
-    def get_data(self, user) -> dict:
-        """Return contact data for the user."""
-        return user.profile_contact.data if user.profile_contact else {}
+        read_only_fields = ["id", "email", "is_device", "is_staff"]
 
 
 class TeamAccessSerializer(serializers.ModelSerializer):
diff --git a/src/backend/core/api/viewsets.py b/src/backend/core/api/viewsets.py
index a3f1a44..f17fb86 100644
--- a/src/backend/core/api/viewsets.py
+++ b/src/backend/core/api/viewsets.py
@@ -186,7 +186,7 @@ class UserViewSet(
     """
 
     permission_classes = [permissions.IsSelf]
-    queryset = models.User.objects.all().select_related("profile_contact")
+    queryset = models.User.objects.all()
     serializer_class = serializers.UserSerializer
     throttle_classes = [BurstRateThrottle, SustainedRateThrottle]
     pagination_class = Pagination
diff --git a/src/backend/core/migrations/0001_initial.py b/src/backend/core/migrations/0001_initial.py
index 3966fa1..76c4726 100644
--- a/src/backend/core/migrations/0001_initial.py
+++ b/src/backend/core/migrations/0001_initial.py
@@ -1,6 +1,6 @@
-# Generated by Django 5.0.1 on 2024-02-06 15:08
+# Generated by Django 5.0.1 on 2024-02-21 12:34
 
-import core.models
+import django.contrib.auth.models
 import django.core.validators
 import django.db.models.deletion
 import timezone_field.fields
@@ -59,9 +59,6 @@ class Migration(migrations.Migration):
                 'verbose_name_plural': 'users',
                 'db_table': 'people_user',
             },
-            managers=[
-                ('objects', core.models.UserManager()),
-            ],
         ),
         migrations.CreateModel(
             name='Contact',
diff --git a/src/backend/core/models.py b/src/backend/core/models.py
index 47a6aff..4a5e6e8 100644
--- a/src/backend/core/models.py
+++ b/src/backend/core/models.py
@@ -149,16 +149,6 @@ class Contact(BaseModel):
             raise exceptions.ValidationError({"data": [error_message]}) from e
 
 
-class UserManager(auth_models.UserManager):
-    """
-    Override user manager to get the related contact in the same query by default (Contact model)
-    """
-
-    def get_queryset(self):
-        """Always select the related contact when doing a query on users."""
-        return super().get_queryset().select_related("profile_contact")
-
-
 class User(AbstractBaseUser, BaseModel, auth_models.PermissionsMixin):
     """User model to work with OIDC only authentication."""
 
@@ -202,7 +192,7 @@ class User(AbstractBaseUser, BaseModel, auth_models.PermissionsMixin):
         ),
     )
 
-    objects = UserManager()
+    objects = auth_models.UserManager()
 
     USERNAME_FIELD = "email"
     REQUIRED_FIELDS = []
diff --git a/src/backend/core/tests/test_api_users.py b/src/backend/core/tests/test_api_users.py
index 8adad4b..9474b54 100644
--- a/src/backend/core/tests/test_api_users.py
+++ b/src/backend/core/tests/test_api_users.py
@@ -311,7 +311,6 @@ def test_api_users_retrieve_me_authenticated():
         "timezone": str(user.timezone),
         "is_device": False,
         "is_staff": False,
-        "data": user.profile_contact.data,
     }