diff --git a/src/test/java/org/gcube/common/workspacetaskexecutor/TestDataMinerTaskExecutor.java b/src/test/java/org/gcube/common/workspacetaskexecutor/TestDataMinerTaskExecutor.java
index db1bbfb..8dcacff 100644
--- a/src/test/java/org/gcube/common/workspacetaskexecutor/TestDataMinerTaskExecutor.java
+++ b/src/test/java/org/gcube/common/workspacetaskexecutor/TestDataMinerTaskExecutor.java
@@ -7,11 +7,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Enumeration;
 import java.util.List;
 import java.util.Properties;
 import java.util.Random;
-import java.util.Set;
 import java.util.UUID;
 
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;