diff --git a/ixmp4/core/iamc/data.py b/ixmp4/core/iamc/data.py
index d1a74e3e..6be06858 100644
--- a/ixmp4/core/iamc/data.py
+++ b/ixmp4/core/iamc/data.py
@@ -9,7 +9,7 @@
 from ixmp4.data.abstract import Run
 from ixmp4.data.abstract.iamc.datapoint import EnumerateKwargs
 from ixmp4.data.backend import Backend
-from ixmp4.data.db.iamc.data import (
+from ixmp4.data.db.iamc.utils import (
     AddDataPointFrameSchema,
     RemoveDataPointFrameSchema,
     normalize_df,
diff --git a/ixmp4/data/db/iamc/data.py b/ixmp4/data/db/iamc/utils.py
similarity index 100%
rename from ixmp4/data/db/iamc/data.py
rename to ixmp4/data/db/iamc/utils.py
diff --git a/ixmp4/data/db/run/repository.py b/ixmp4/data/db/run/repository.py
index d9e5d397..2a92580d 100644
--- a/ixmp4/data/db/run/repository.py
+++ b/ixmp4/data/db/run/repository.py
@@ -14,7 +14,7 @@
 from ixmp4.core.utils import substitute_type
 from ixmp4.data import abstract
 from ixmp4.data.auth.decorators import guard
-from ixmp4.data.db.iamc.data import normalize_df
+from ixmp4.data.db.iamc.utils import normalize_df
 from ixmp4.db import utils
 
 from .. import base