diff --git a/dedal/spack_factory/SpackOperationUseCache.py b/dedal/spack_factory/SpackOperationUseCache.py
index b2ccc12da3fb12a2d7f0731c3533bfb71c308512..16312e7fd3af19e4ded58eb606f2b1861dedde09 100644
--- a/dedal/spack_factory/SpackOperationUseCache.py
+++ b/dedal/spack_factory/SpackOperationUseCache.py
@@ -1,5 +1,4 @@
 import os
-
 import subprocess
 from pathlib import Path
 
@@ -9,8 +8,7 @@ from dedal.error_handling.exceptions import NoSpackEnvironmentException
 from dedal.error_handling.exceptions import SpackInstallPackagesException
 from dedal.logger.logger_builder import get_logger
 from dedal.spack_factory.SpackOperation import SpackOperation
-from dedal.configuration.SpackConfig import SpackConfig
-from dedal.utils.utils import file_exists_and_not_empty, run_command, log_command, copy_to_tmp, copy_file
+from dedal.utils.utils import file_exists_and_not_empty, run_command, log_command, copy_file
 from dedal.wrapper.spack_wrapper import check_spack_env