diff --git a/tests/test_workflow_spec_api.py b/tests/test_workflow_spec_api.py
index a70b38ac..a8dd4be1 100644
--- a/tests/test_workflow_spec_api.py
+++ b/tests/test_workflow_spec_api.py
@@ -1,12 +1,8 @@
 import json
-from datetime import datetime, tzinfo, timezone
 
 from crc import session
 from crc.models.file import FileModel
-from crc.models.study import StudyModel, StudyModelSchema
-from models.protocol_builder import ProtocolBuilderStatus
-from crc.models.workflow import WorkflowSpecModel, WorkflowSpecModelSchema, WorkflowModel, WorkflowStatus, \
-    WorkflowApiSchema
+from crc.models.workflow import WorkflowSpecModel, WorkflowSpecModelSchema, WorkflowModel
 from tests.base_test import BaseTest