diff --git a/app/assets/api/routes.py b/app/assets/api/routes.py
index bc7b697a8..ebd0e5f69 100644
--- a/app/assets/api/routes.py
+++ b/app/assets/api/routes.py
@@ -590,7 +590,7 @@ async def set_asset_preview_route(request: web.Request) -> web.Response:
 async def clear_asset_preview_route(request: web.Request) -> web.Response:
     reference_id = str(uuid.UUID(request.match_info["id"]))
     try:
-        result = set_asset_preview(
+        set_asset_preview(
             reference_id=reference_id,
             preview_reference_id=None,
             owner_id=USER_MANAGER.get_request_user_id(request),
diff --git a/tests-unit/assets_test/test_preview.py b/tests-unit/assets_test/test_preview.py
index 391de741c..a30359393 100644
--- a/tests-unit/assets_test/test_preview.py
+++ b/tests-unit/assets_test/test_preview.py
@@ -1,6 +1,5 @@
 import uuid
 
-import pytest
 import requests