diff --git a/src/main/java/org/opensearch/knn/index/query/KNNWeight.java b/src/main/java/org/opensearch/knn/index/query/KNNWeight.java
index 5863b976c..1c31ed725 100644
--- a/src/main/java/org/opensearch/knn/index/query/KNNWeight.java
+++ b/src/main/java/org/opensearch/knn/index/query/KNNWeight.java
@@ -26,6 +26,7 @@
 import org.opensearch.knn.index.KNNSettings;
 import org.opensearch.knn.index.SpaceType;
 import org.opensearch.knn.index.VectorDataType;
+import org.opensearch.knn.index.codec.util.KNNCodecUtil;
 import org.opensearch.knn.index.memory.NativeMemoryAllocation;
 import org.opensearch.knn.index.memory.NativeMemoryCacheManager;
 import org.opensearch.knn.index.memory.NativeMemoryEntryContext;