diff --git a/src/registrar/models/user_portfolio_permission.py b/src/registrar/models/user_portfolio_permission.py
index 51f3fa3fe..319f15d67 100644
--- a/src/registrar/models/user_portfolio_permission.py
+++ b/src/registrar/models/user_portfolio_permission.py
@@ -2,7 +2,12 @@ from django.db import models
 from django.forms import ValidationError
 from registrar.models.user_domain_role import UserDomainRole
 from registrar.utility.waffle import flag_is_active_for_user
-from registrar.models.utility.portfolio_helper import UserPortfolioPermissionChoices, UserPortfolioRoleChoices, DomainRequestPermissionDisplay, MemberPermissionDisplay
+from registrar.models.utility.portfolio_helper import (
+    UserPortfolioPermissionChoices,
+    UserPortfolioRoleChoices,
+    DomainRequestPermissionDisplay,
+    MemberPermissionDisplay,
+)
 from .utility.time_stamped_model import TimeStampedModel
 from django.contrib.postgres.fields import ArrayField
 
@@ -115,7 +120,7 @@ class UserPortfolioPermission(TimeStampedModel):
             UserPortfolioPermissionChoices.VIEW_ALL_REQUESTS,
             UserPortfolioPermissionChoices.EDIT_REQUESTS,
         ]
-        
+
         if all(perm in all_permissions for perm in all_domain_perms):
             return DomainRequestPermissionDisplay.VIEWER_REQUESTER
         elif UserPortfolioPermissionChoices.VIEW_ALL_REQUESTS in all_permissions:
diff --git a/src/registrar/models/utility/portfolio_helper.py b/src/registrar/models/utility/portfolio_helper.py
index 9b661b316..f1a6cec7a 100644
--- a/src/registrar/models/utility/portfolio_helper.py
+++ b/src/registrar/models/utility/portfolio_helper.py
@@ -51,6 +51,7 @@ class DomainRequestPermissionDisplay(StrEnum):
     - VIEWER: "Viewer"
     - NONE: "None"
     """
+
     VIEWER_REQUESTER = "Viewer Requester"
     VIEWER = "Viewer"
     NONE = "None"
@@ -64,6 +65,7 @@ class MemberPermissionDisplay(StrEnum):
     - VIEWER: "Viewer"
     - NONE: "None"
     """
+
     MANAGER = "Manager"
     VIEWER = "Viewer"
     NONE = "None"
diff --git a/src/registrar/utility/csv_export.py b/src/registrar/utility/csv_export.py
index 6f6b2c744..9b36c4d8b 100644
--- a/src/registrar/utility/csv_export.py
+++ b/src/registrar/utility/csv_export.py
@@ -263,25 +263,6 @@ class BaseExport(ABC):
     def get_model_annotation_dict(cls, **kwargs):
         return convert_queryset_to_dict(cls.get_annotated_queryset(**kwargs), is_model=False)
 
-    @classmethod
-    def export_data_to_csv(cls, csv_file, **kwargs):
-        """
-        All domain metadata:
-        Exports domains of all statuses plus domain managers.
-        """
-        writer = csv.writer(csv_file)
-        columns = cls.get_columns()
-        models_dict = cls.get_model_annotation_dict(**kwargs)
-
-        # Write to csv file before the write_csv
-        cls.write_csv_before(writer, **kwargs)
-
-        # Write the csv file
-        rows = cls.write_csv(writer, columns, models_dict)
-
-        # Return rows that for easier parsing and testing
-        return rows
-
     @classmethod
     def write_csv(
         cls,
diff --git a/src/registrar/views/portfolio_members_json.py b/src/registrar/views/portfolio_members_json.py
index 232ca2e6c..b5c608eab 100644
--- a/src/registrar/views/portfolio_members_json.py
+++ b/src/registrar/views/portfolio_members_json.py
@@ -1,7 +1,6 @@
 from django.http import JsonResponse
 from django.core.paginator import Paginator
 from django.db.models import Value, F, CharField, TextField, Q, Case, When, OuterRef, Subquery
-from django.db.models.expressions import Func
 from django.db.models.functions import Cast, Coalesce, Concat
 from django.contrib.postgres.aggregates import ArrayAgg
 from django.urls import reverse
@@ -214,4 +213,3 @@ class PortfolioMembersJson(PortfolioMembersPermission, View):
             "svg_icon": ("visibility" if view_only else "settings"),
         }
         return member_json
-