diff --git a/warehouse/email/ses/models.py b/warehouse/email/ses/models.py
index 683dbbc5b895..043dc19babd2 100644
--- a/warehouse/email/ses/models.py
+++ b/warehouse/email/ses/models.py
@@ -251,7 +251,7 @@ class EmailMessage(db.Model):
         backref="email",
         cascade="all, delete-orphan",
         lazy=False,
-        order_by=lambda: Event.created,
+        order_by=lambda: Event.created,  # type: ignore
     )
 
 
diff --git a/warehouse/packaging/models.py b/warehouse/packaging/models.py
index f9c105ccea91..54eba2b4f498 100644
--- a/warehouse/packaging/models.py
+++ b/warehouse/packaging/models.py
@@ -179,7 +179,7 @@ class Project(SitemapMixin, TwoFactorRequireable, db.Model):
         "Release",
         backref="project",
         cascade="all, delete-orphan",
-        order_by=lambda: Release._pypi_ordering.desc(),
+        order_by=lambda: Release._pypi_ordering.desc(),  # type: ignore
         passive_deletes=True,
     )
 
@@ -416,7 +416,7 @@ def __table_args__(cls):  # noqa
     _classifiers = orm.relationship(
         Classifier,
         backref="project_releases",
-        secondary=lambda: release_classifiers,
+        secondary=lambda: release_classifiers,  # type: ignore
         order_by=expression.case(
             {c: i for i, c in enumerate(sorted_classifiers)},
             value=Classifier.classifier,
@@ -430,7 +430,7 @@ def __table_args__(cls):  # noqa
         backref="release",
         cascade="all, delete-orphan",
         lazy="dynamic",
-        order_by=lambda: File.filename,
+        order_by=lambda: File.filename,  # type: ignore
         passive_deletes=True,
     )