diff --git a/backend/tests/controllers/artefacts/test_artefacts.py b/backend/tests/controllers/artefacts/test_artefacts.py
index d67b5018..a0a8de1f 100644
--- a/backend/tests/controllers/artefacts/test_artefacts.py
+++ b/backend/tests/controllers/artefacts/test_artefacts.py
@@ -21,19 +21,19 @@
 from sqlalchemy.orm import Session
 from test_observer.data_access.models import ArtefactBuild, Environment, TestExecution
 
-from tests.helpers import create_artefact, create_artefact_builds
+from tests.helpers import create_artefact
 
 
 def test_get_artefact_builds(db_session: Session, test_client: TestClient):
     artefact = create_artefact(db_session, "beta")
-    artefact_build = create_artefact_builds(db_session, artefact, 1)[0]
+    artefact_build = ArtefactBuild(architecture="amd64", artefact=artefact, revision=1)
     environment = Environment(
         name="some-environment", architecture=artefact_build.architecture
     )
     test_execution = TestExecution(
         artefact_build=artefact_build, environment=environment
     )
-    db_session.add_all([environment, test_execution])
+    db_session.add_all([environment, test_execution, artefact_build])
     db_session.commit()
 
     response = test_client.get(f"/v1/artefacts/{artefact.id}/builds")
diff --git a/backend/tests/controllers/promoter/test_promoter.py b/backend/tests/controllers/promoter/test_promoter.py
index bb90c175..8ce643fc 100644
--- a/backend/tests/controllers/promoter/test_promoter.py
+++ b/backend/tests/controllers/promoter/test_promoter.py
@@ -25,8 +25,9 @@
 from fastapi.testclient import TestClient
 from requests_mock import Mocker
 from sqlalchemy.orm import Session
+from test_observer.data_access.models import ArtefactBuild
 
-from tests.helpers import create_artefact, create_artefact_builds
+from tests.helpers import create_artefact
 
 
 def test_run_to_move_artefact_snap(
@@ -45,7 +46,6 @@ def test_run_to_move_artefact_snap(
         source={"store": "ubuntu"},
         created_at=datetime.utcnow(),
     )
-    create_artefact_builds(db_session, artefact)
     create_artefact(
         db_session,
         "edge",
@@ -54,6 +54,8 @@ def test_run_to_move_artefact_snap(
         source={"store": "ubuntu"},
         created_at=datetime.utcnow() - timedelta(days=1),
     )
+    ArtefactBuild(architecture="amd64", artefact=artefact, revision=1)
+
     requests_mock.get(
         "https://api.snapcraft.io/v2/snaps/info/core20",
         json={
@@ -106,7 +108,6 @@ def test_run_to_move_artefact_deb(
         source={"series": "kinetic", "repo": "main"},
         created_at=datetime.utcnow(),
     )
-    create_artefact_builds(db_session, artefact)
     create_artefact(
         db_session,
         "proposed",
@@ -115,6 +116,8 @@ def test_run_to_move_artefact_deb(
         source={"series": "kinetic", "repo": "main"},
         created_at=datetime.utcnow() - timedelta(days=1),
     )
+    db_session.add(ArtefactBuild(architecture="x64", artefact=artefact))
+    db_session.commit()
 
     with open("tests/test_data/Packages-proposed.gz", "rb") as f:
         proposed_content = f.read()
diff --git a/backend/tests/helpers.py b/backend/tests/helpers.py
index 6dbbae76..dc22ce2f 100644
--- a/backend/tests/helpers.py
+++ b/backend/tests/helpers.py
@@ -19,31 +19,3 @@ def create_artefact(db_session: Session, stage_name: str, **kwargs) -> Artefact:
     db_session.add(artefact)
     db_session.commit()
     return artefact
-
-
-def create_artefact_builds(
-    db_session: Session, artefact: Artefact, num_builds: int = 5
-) -> list[ArtefactBuild]:
-    """
-    Create a number of ArtefactBuild instances for an Artefact and add them
-    to the database
-    """
-    architectures = ["arm64", "x86", "amd64"]
-
-    for i in range(num_builds):
-        architecture = choice(architectures)
-
-        build = ArtefactBuild(
-            architecture=architecture,
-            revision=i + 1
-            if artefact.stage.family.name == FamilyName.SNAP.value
-            else None,
-            artefact_id=artefact.id,
-        )
-
-        # Add the build to the artefact's builds
-        artefact.builds.append(build)
-
-    # Commit the changes to the database
-    db_session.commit()
-    return artefact.builds