diff --git a/lucene/core/src/test/org/apache/lucene/util/fst/TestFstDirect.java b/lucene/core/src/test/org/apache/lucene/util/fst/TestFstDirect.java
index a87aae9811e..af9f933e966 100644
--- a/lucene/core/src/test/org/apache/lucene/util/fst/TestFstDirect.java
+++ b/lucene/core/src/test/org/apache/lucene/util/fst/TestFstDirect.java
@@ -20,10 +20,8 @@ import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
-import java.util.stream.Collectors;
 
 import org.apache.lucene.store.ByteArrayDataInput;
 import org.apache.lucene.store.DataInput;
@@ -31,7 +29,6 @@ import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.IntsRefBuilder;
 import org.apache.lucene.util.LuceneTestCase;
 
-import org.junit.Before;
 
 public class TestFstDirect extends LuceneTestCase {