diff --git a/protocol/src/test/java/org/opensearch/sql/protocol/response/format/SimpleJsonResponseFormatterTest.java b/protocol/src/test/java/org/opensearch/sql/protocol/response/format/SimpleJsonResponseFormatterTest.java
index 8f47618807..8b4438cf91 100644
--- a/protocol/src/test/java/org/opensearch/sql/protocol/response/format/SimpleJsonResponseFormatterTest.java
+++ b/protocol/src/test/java/org/opensearch/sql/protocol/response/format/SimpleJsonResponseFormatterTest.java
@@ -7,7 +7,6 @@
 package org.opensearch.sql.protocol.response.format;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.opensearch.sql.common.utils.StringUtils.format;
 import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_MISSING;
 import static org.opensearch.sql.data.model.ExprValueUtils.stringValue;
 import static org.opensearch.sql.data.model.ExprValueUtils.tupleValue;