diff --git a/src/test/java/org/opensearch/knn/index/codec/KNNCodecTestCase.java b/src/test/java/org/opensearch/knn/index/codec/KNNCodecTestCase.java
index c3647f106..3d9969a1e 100644
--- a/src/test/java/org/opensearch/knn/index/codec/KNNCodecTestCase.java
+++ b/src/test/java/org/opensearch/knn/index/codec/KNNCodecTestCase.java
@@ -12,7 +12,6 @@
 import org.apache.lucene.document.KnnVectorField;
 import org.apache.lucene.index.DocValuesType;
 import org.apache.lucene.index.NoMergePolicy;
-import org.apache.lucene.index.SegmentInfo;
 import org.apache.lucene.index.VectorSimilarityFunction;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.TopDocs;
@@ -25,7 +24,6 @@
 import org.opensearch.index.mapper.MapperService;
 import org.opensearch.knn.KNNTestCase;
 import org.opensearch.knn.common.KNNConstants;
-import org.opensearch.knn.index.codec.util.KNNCodecUtil;
 import org.opensearch.knn.index.engine.KNNMethodConfigContext;
 import org.opensearch.knn.index.engine.KNNMethodContext;
 import org.opensearch.knn.index.KNNSettings;