diff --git a/tests/test_backend_msexcel.py b/tests/test_backend_msexcel.py
index d13959ed..614bd3b3 100644
--- a/tests/test_backend_msexcel.py
+++ b/tests/test_backend_msexcel.py
@@ -2,13 +2,8 @@ import json
 import os
 from pathlib import Path
 
-from docling.backend.msword_backend import MsWordDocumentBackend
 from docling.datamodel.base_models import InputFormat
-from docling.datamodel.document import (
-    ConversionResult,
-    InputDocument,
-    SectionHeaderItem,
-)
+from docling.datamodel.document import ConversionResult
 from docling.document_converter import DocumentConverter
 
 GENERATE = False
diff --git a/tests/test_backend_patent_uspto.py b/tests/test_backend_patent_uspto.py
index 466568ac..21bc88c5 100644
--- a/tests/test_backend_patent_uspto.py
+++ b/tests/test_backend_patent_uspto.py
@@ -3,23 +3,16 @@
 import json
 import logging
 import os
-import unittest
 from pathlib import Path
 from tempfile import NamedTemporaryFile
 
 import pytest
-import yaml
 from docling_core.types import DoclingDocument
 from docling_core.types.doc import DocItemLabel, TableData, TextItem
 
 from docling.backend.xml.uspto_backend import PatentUsptoDocumentBackend, XmlTable
 from docling.datamodel.base_models import InputFormat
-from docling.datamodel.document import (
-    ConversionResult,
-    InputDocument,
-    SectionHeaderItem,
-)
-from docling.document_converter import DocumentConverter
+from docling.datamodel.document import InputDocument
 
 GENERATE: bool = True
 DATA_PATH: Path = Path("./tests/data/uspto/")
diff --git a/tests/test_backend_pubmed.py b/tests/test_backend_pubmed.py
index 4476bd24..8481c3dd 100644
--- a/tests/test_backend_pubmed.py
+++ b/tests/test_backend_pubmed.py
@@ -1,5 +1,4 @@
 import json
-import logging
 import os
 from io import BytesIO
 from pathlib import Path