diff --git a/unittests/test_rocrate_converter.py b/unittests/test_rocrate_converter.py
index ef59a37c7a9ca91f85d3a62b4f5b6f5c12559575..dc7cef9f6d396c73a2a285d3f60fd587863237ac 100644
--- a/unittests/test_rocrate_converter.py
+++ b/unittests/test_rocrate_converter.py
@@ -27,22 +27,16 @@ import importlib
 import os
 from pathlib import Path
 
-import jsonschema
 import linkahead as db
 import pytest
 import rocrate
 import yaml
-from linkahead.high_level_api import convert_to_python_object
-from lxml.etree import fromstring
-from rocrate.model.entity import Entity
-from rocrate.rocrate import ROCrate
-
 from caoscrawler import scanner
 from caoscrawler.converters import ELNFileConverter, ROCrateEntityConverter
-from caoscrawler.scanner import load_definition
 from caoscrawler.stores import GeneralStore
 from caoscrawler.structure_elements import (DictElement, File, ROCrateEntity,
                                             TextElement)
+from rocrate.model.entity import Entity
 
 UNITTESTDIR = Path(__file__).parent