diff --git a/core/src/main/java/org/opensearch/sql/expression/json/JsonFunctions.java b/core/src/main/java/org/opensearch/sql/expression/json/JsonFunctions.java
index f5bcc505a6..75f134aa4e 100644
--- a/core/src/main/java/org/opensearch/sql/expression/json/JsonFunctions.java
+++ b/core/src/main/java/org/opensearch/sql/expression/json/JsonFunctions.java
@@ -10,6 +10,7 @@
 import static org.opensearch.sql.data.type.ExprCoreType.UNDEFINED;
 import static org.opensearch.sql.expression.function.FunctionDSL.define;
 import static org.opensearch.sql.expression.function.FunctionDSL.impl;
+import static org.opensearch.sql.expression.function.FunctionDSL.nullMissingHandling;
 
 import lombok.experimental.UtilityClass;
 import org.opensearch.sql.expression.function.BuiltinFunctionName;
diff --git a/core/src/main/java/org/opensearch/sql/utils/JsonUtils.java b/core/src/main/java/org/opensearch/sql/utils/JsonUtils.java
index 0579eda933..c5f7031b13 100644
--- a/core/src/main/java/org/opensearch/sql/utils/JsonUtils.java
+++ b/core/src/main/java/org/opensearch/sql/utils/JsonUtils.java
@@ -18,6 +18,7 @@
 import org.opensearch.sql.data.model.ExprStringValue;
 import org.opensearch.sql.data.model.ExprTupleValue;
 import org.opensearch.sql.data.model.ExprValue;
+import org.opensearch.sql.data.model.ExprValueUtils;
 import org.opensearch.sql.exception.SemanticCheckException;
 
 @UtilityClass
diff --git a/core/src/test/java/org/opensearch/sql/expression/json/JsonFunctionsTest.java b/core/src/test/java/org/opensearch/sql/expression/json/JsonFunctionsTest.java
index a1f18f62da..89ea57c2e4 100644
--- a/core/src/test/java/org/opensearch/sql/expression/json/JsonFunctionsTest.java
+++ b/core/src/test/java/org/opensearch/sql/expression/json/JsonFunctionsTest.java
@@ -7,24 +7,12 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_FALSE;
 import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_MISSING;
 import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_NULL;
-import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_NULL;
-import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_NULL;
 import static org.opensearch.sql.data.model.ExprValueUtils.LITERAL_TRUE;
 
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -39,28 +27,10 @@
 import org.opensearch.sql.data.model.ExprNullValue;
 import org.opensearch.sql.data.model.ExprStringValue;
 import org.opensearch.sql.data.model.ExprTupleValue;
-import org.opensearch.sql.data.model.ExprBooleanValue;
-import org.opensearch.sql.data.model.ExprCollectionValue;
-import org.opensearch.sql.data.model.ExprDoubleValue;
-import org.opensearch.sql.data.model.ExprIntegerValue;
-import org.opensearch.sql.data.model.ExprLongValue;
-import org.opensearch.sql.data.model.ExprNullValue;
-import org.opensearch.sql.data.model.ExprStringValue;
-import org.opensearch.sql.data.model.ExprTupleValue;
-import org.opensearch.sql.data.model.ExprBooleanValue;
-import org.opensearch.sql.data.model.ExprCollectionValue;
-import org.opensearch.sql.data.model.ExprDoubleValue;
-import org.opensearch.sql.data.model.ExprIntegerValue;
-import org.opensearch.sql.data.model.ExprLongValue;
-import org.opensearch.sql.data.model.ExprNullValue;
-import org.opensearch.sql.data.model.ExprStringValue;
-import org.opensearch.sql.data.model.ExprTupleValue;
 import org.opensearch.sql.data.model.ExprValue;
 import org.opensearch.sql.data.model.ExprValueUtils;
 import org.opensearch.sql.exception.ExpressionEvaluationException;
 import org.opensearch.sql.exception.SemanticCheckException;
-import org.opensearch.sql.exception.SemanticCheckException;
-import org.opensearch.sql.exception.SemanticCheckException;
 import org.opensearch.sql.expression.DSL;
 import org.opensearch.sql.expression.FunctionExpression;