diff --git a/SAS/DataManagement/StorageQueryService/service.py b/SAS/DataManagement/StorageQueryService/service.py
index def1aef75c78f2a7524f7534421a53933f8a8675..b318191be7bdea79007479ba59dd3230bd081a18 100644
--- a/SAS/DataManagement/StorageQueryService/service.py
+++ b/SAS/DataManagement/StorageQueryService/service.py
@@ -12,7 +12,6 @@ from lofar.common.util import waitForInterrupt
 from lofar.sas.datamanagement.common.config import CEP4_DATA_MOUNTPOINT
 from lofar.sas.datamanagement.storagequery.config import DEFAULT_STORAGEQUERY_SERVICENAME
 from lofar.sas.datamanagement.storagequery.cache import CacheManager
-from lofar.sas.datamanagement.storagequery.diskusage import DiskUsage
 
 logger = logging.getLogger(__name__)