diff --git a/spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala b/spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala
index 9e7f8ecc0..c2e4907b0 100644
--- a/spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala
+++ b/spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala
@@ -555,7 +555,6 @@ object QueryPlanSerde extends Logging with ShimQueryPlanSerde {
         val castBuilder = ExprOuterClass.Cast.newBuilder()
         castBuilder.setChild(childExpr.get)
         castBuilder.setDatatype(dataType.get)
-        // castBuilder.setEvalMode(evalMode)
         castBuilder.setEvalMode(evalModeEnum) // Set the enum in protobuf
 
         val timeZone = timeZoneId.getOrElse("UTC")