diff --git a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala
index 6f8aa2ec0..d3783b4fc 100644
--- a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala
+++ b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala
@@ -189,7 +189,6 @@ object SparkSQLEngine extends Logging {
     _kyuubiConf = KyuubiConf()
     val rootDir = _sparkConf.getOption("spark.repl.classdir").getOrElse(getLocalDir(_sparkConf))
     val outputDir = Utils.createTempDir(prefix = "repl", root = rootDir)
-    _sparkConf.setIfMissing("spark.sql.execution.topKSortFallbackThreshold", "10000")
     _sparkConf.setIfMissing("spark.sql.legacy.castComplexTypesToString.enabled", "true")
     _sparkConf.setIfMissing("spark.master", "local")
     _sparkConf.set(