diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/stat/StatFunctions.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/stat/StatFunctions.scala
index 508d2c64d092..80e8f6d73420 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/stat/StatFunctions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/stat/StatFunctions.scala
@@ -21,14 +21,12 @@ import java.util.Locale
 
 import org.apache.spark.internal.Logging
 import org.apache.spark.sql.{Column, DataFrame, Dataset, Row}
-import org.apache.spark.sql.catalyst.expressions.{Cast, ElementAt, EvalMode, GenericInternalRow}
+import org.apache.spark.sql.catalyst.expressions.{Cast, ElementAt, EvalMode}
 import org.apache.spark.sql.catalyst.expressions.aggregate._
-import org.apache.spark.sql.catalyst.plans.logical.LocalRelation
 import org.apache.spark.sql.catalyst.util.QuantileSummaries
 import org.apache.spark.sql.errors.QueryExecutionErrors
 import org.apache.spark.sql.functions._
 import org.apache.spark.sql.types._
-import org.apache.spark.unsafe.types.UTF8String
 
 object StatFunctions extends Logging {